| 23 TECHNOLOGIES PTE. LTD. | 200600912E | Balestier | 43210 | 2006 |
| 3K ENGINEERING PTE. LTD. | 199704945K | Eunos | 43210 | 1997 |
| 3S COMMUNICATION PTE. LTD. | 200605052G | Eunos | 43210 | 2006 |
| 68 SYSTEMS & PROJECT ENGINEERING PTE LTD | 199301790G | Eunos | 43210 | 1993 |
| 8M ALARM SYSTEM PTE LTD | 199105371M | Balestier | 43210 | 1991 |
| A-POWER PROJECT & ENGRG PTE. LTD. | 200920348H | Pasir Ris | 41001 | 2009 |
| ABTRIC SYSTEMS PTE LTD | 198402861H | Eunos | 43210 | 1984 |
| ACCLAIM SYSTEMS (ASIA) PTE. LTD. | 200918490M | Hougang | 43210 | 2009 |
| ACCLAIM SYSTEMS PTE. LTD. | 199202237G | Hougang | 43210 | 1992 |
| ACCON ENGINEERING PTE LTD | 199500794C | MacPherson | 41009 | 1995 |
| ACECON ENGINEERING PTE. LTD. | 199802474R | Boon Lay | 41009 | 1998 |
| ACMES AIRCON & ELECTRICAL ENGINEERING PTE. LTD. | 200005698H | Dairy Farm | 43210 | 2000 |
| ACRO HARVEST ENGINEERING PTE. LTD. | 199803089C | Admiralty | 43210 | 1998 |
| ACTIVE FIRE PROTECTION SYSTEMS PTE. LTD. | 200102167C | Balestier | 43210 | 2001 |
| ADEMCO (FAR EAST) PTE LTD | 197700631N | Alexandra | 80100 | 1977 |
| ADVANCE AIRCONDITION ENGINEERING & ELECTRICAL PTE LTD | 198700876N | Boon Lay | 43210 | 1987 |
| ADVANCED INFRASTRUCTURE ENGINEERING PTE. LTD. | 201022961K | Boon Lay | 41009 | 2010 |
| ADVANCEDATA NETWORK PTE. LTD. | 200407405Z | Eunos | 43210 | 2004 |
| AE STAR ELECTRICAL ENGINEERING PTE. LTD. | 200405775Z | Canberra | 43210 | 2004 |
| AETOS INTEGRATED SOLUTIONS PTE. LTD. | 201500600H | Boon Lay | 80100 | 2015 |
| AFLEX WHEELTRONICS PTE. LTD. | 200611337M | Canberra | 26129 | 2006 |
| AIKO ENGINEERING PTE. LTD. | 198202856D | Bedok | 28191 | 1982 |
| AIM FIRE SYSTEMS & ENGINEERING PTE. LTD. | 200602044G | Dairy Farm | 43210 | 2006 |
| AIR-TEMP (ME) PTE. LTD. | 200402113E | Eunos | 35300 | 2004 |
| AIR-VIN SERVICES PTE LTD | 199601021W | Admiralty | 28300 | 1996 |
| AIRCOND. NETWORK PTE. LTD. | 199101555N | Eunos | 43210 | 1991 |
| AJ SIXTY ONE PTE. LTD. | 201113374K | Ang Mo Kio | 42909 | 2011 |
| AKR CONSTRUCTION & ENGRG PTE. LTD. | 201005703Z | Eunos | 43210 | 2010 |
| AL UNIVERSAL M&E (S) PTE. LTD. | 201003704W | Farrer Park | 46435 | 2010 |
| AL'CAT MARKETING PTE. LTD. | 200311101H | MacPherson | 43210 | 2003 |
| ALL LINK (21) ENGINEERING PTE. LTD. | 200312740M | Bedok | 43210 | 2003 |
| ALPHA MEDIA PTE LTD | 199404690E | Eunos | 43210 | 1994 |
| ALRIC MEP ENGINEERING PTE. LTD. | 200206245W | Canberra | 41001 | 2002 |
| AMES BUILDERS PTE LTD | 199105167R | Eunos | 43210 | 1991 |
| AMP SYSTEMS PTE LTD | 200009425D | Eunos | 43210 | 2000 |
| ANCOM PTE. LTD. | 200415548D | Eunos | 46521 | 2004 |
| ANSON INDUSTRIAL ENGINEERING PTE LTD | 199202622W | Admiralty | 26511 | 1992 |
| AR VISUAL PTE. LTD. | 200502660M | Dairy Farm | 46436 | 2005 |
| ARCHER (S) PTE. LTD. | 200617673C | Eunos | 28199 | 2006 |
| ARCTURUS SYSTEMS PTE LTD | 200000904M | Ang Mo Kio | 43210 | 2000 |
| ARIS EXHIBITION & CONTRACTS PTE LTD | 199707618K | Eunos | 42100 | 1997 |
| AS ELECTRICAL & CONSTRUCTION PTE. LTD. | 200407184G | Canberra | 43210 | 2004 |
| ASAFE ENGINEERING & TRADING PTE. LTD. | 201132343C | Boon Lay | 43210 | 2011 |
| ASHLEY-EDISON ASIA PTE. LTD. | 197700493D | Balestier | 46549 | 1977 |
| ASIA TECHNOLOGY & ENGINEERING PTE LTD | 199802281G | Boon Lay | 26513 | 1998 |
| ASIATIC FIRE SYSTEM PTE LTD | 198601261M | Boon Lay | 47536 | 1986 |
| ASL ENGINEERING PTE. LTD. | 200504801H | Dairy Farm | 42301 | 2005 |
| ASPECTUS ENGINEERING SERVICES PTE. LTD. | 200503059G | Eunos | 43210 | 2005 |
| ASTRO FIRE & SAFETY PTE LTD | 199800963M | Boon Lay | 43210 | 1998 |
| ASTRON NETWORKS PTE. LTD. | 200500367M | MacPherson | 62021 | 2005 |
| ATC INDUSTRIES PTE. LTD. | 200400478G | Eunos | 43210 | 2004 |
| ATECH FACILITY MAINTENANCE PTE. LTD. | 200302037R | Bedok | 43210 | 2003 |
| ATLAS ROOF & WATER PROOFING PTE. LTD. | 200703868M | MacPherson | 41001 | 2007 |
| ATT SYSTEMS (S'PORE) PTE LTD | 199407919N | Eunos | 26129 | 1994 |
| ATTIKA INTERIOR + MEP PTE. LTD. | 201411584K | Eunos | 74191 | 2014 |
| AUTOMATIC CONTROLS AND INSTRUMENTATION PTE. LTD. | 200808240W | Canberra | 26512 | 2008 |
| AVATEC POWER PTE LTD | 199703277M | Eunos | 27202 | 1997 |
| AVL ELECTRICAL ENGINEERING PTE. LTD. | 200008538G | Eunos | 28300 | 2000 |
| AZ POWER PTE. LTD. | 200206716D | Ang Mo Kio | 43210 | 2002 |
| AZETEK ENGINEERING PTE. LTD. | 200608083E | Canberra | 43210 | 2006 |
| B & I RESOURCES PTE. LTD. | 200202782D | Ang Mo Kio | 43210 | 2002 |
| B3 ENGINEERING PTE. LTD. | 200303585G | Canberra | 43210 | 2003 |
| BAN SOON HENG ENGINEERING PTE LTD | 199302272G | Eunos | 27400 | 1993 |
| BANG HONG ELECTRICAL & ENGINEERING PTE. LTD. | 198105482E | Ang Mo Kio | 43210 | 1981 |
| BAXELL (S) PTE LTD | 199202517E | Bedok | 43210 | 1992 |
| BEE KONG ELECTRICAL ENGINEERING PTE LTD | 197800626Z | Boon Lay | 43210 | 1978 |
| BENG BENG ELECTRICAL PTE LTD | 198902408H | Admiralty | 43210 | 1989 |
| BENG SHENG ENGINEERING PTE LTD | 199600099W | Dairy Farm | 43210 | 1996 |
| BESTCO ENGINEERING PTE LTD | 199701015M | Admiralty | 43210 | 1997 |
| BESTPOINT TECHNOLOGIES PTE LTD | 200009922D | Eunos | 43210 | 2000 |
| BITRONIC ELECTRICAL ENGINEERING (S) COMPANY PTE LTD | 199707684R | Farrer Park | 43210 | 1997 |
| BIZPLANET SOLUTION PTE. LTD. | 200407864D | MacPherson | 41001 | 2004 |
| BLUERAY PTE. LTD. | 200404272W | Changi | 28300 | 2004 |
| BMS ENGINEERS PTE LTD | 199905610W | Beach Road | 71129 | 1999 |
| BOND M & E PTE. LTD. | 198100907H | Eunos | 43210 | 1981 |
| BOO & BOO MARINE PTE. LTD. | 199800881C | Dairy Farm | 30110 | 1998 |
| BRADFORD ACCESS PTE. LTD. | 199704561N | Canberra | 43210 | 1997 |
| C.K.HON ENGINEERING PTE LTD | 199204702Z | Canberra | 43210 | 1992 |
| CABLE CARE PTE. LTD. | 200210894W | Ang Mo Kio | 43210 | 2002 |
| CALTEK PTE. LTD. | 200210228E | Mandai | 71122 | 2002 |
| CAXTON ENGINEERING PTE. LTD. | 199103726H | Balestier | 43210 | 1991 |
| CELTEC SYSTEMS PTE LTD | 199602022E | Eunos | 43210 | 1996 |
| CENTRODEX ENGINEERING PTE. LTD. | 201616940D | Mandai | 43210 | 2016 |
| CH M&E GROUP PTE. LTD. | 201410840D | Hougang | 43210 | 2014 |
| CHAO SHENG FIRE PROTECTION WORKS PTE LTD | 200102752C | Eunos | 43210 | 2001 |
| CHARGE+ PTE. LTD. | 201817519H | Newton | 71129 | 2018 |
| CHARTERED ASIA TECHNOLOGY ENTERPRISE PTE LTD | 200003210H | Eunos | 43210 | 2000 |
| CHEMORI INDUSTRIES PTE. LTD. | 199607810H | Changi | 43210 | 1996 |
| CHENG CHANG CONSTRUCTION PTE. LTD. | 201131314W | Eunos | 41009 | 2011 |
| CHENG KIA ELECTRICAL CONTRACTOR PTE. LTD. | 200305395D | Buona Vista | 43210 | 2003 |
| CHENG SENG ELECTRIC CO. PTE LTD | 198802500M | Eunos | 43210 | 1988 |
| CHENG YONG ELECTRICAL SYSTEMS PTE LTD | 199505397W | Eunos | 43210 | 1995 |
| CHH CONSTRUCTION & SECURITY SYSTEMS PTE. LTD. | 199101772R | MacPherson | 43210 | 1991 |
| CHIN LOY ENGINEERING PTE LTD | 200101819E | Admiralty | 43210 | 2001 |
| CHIN SENG ENGINEERING (S) PTE LTD | 199503412D | Eunos | 43210 | 1995 |
| CHIN SIONG ELECTRICAL ENGINEERING PTE. LTD. | 199400132M | Ang Mo Kio | 43210 | 1994 |
| CHINMEGA ELECTRIC PTE LTD | 198003192W | Eunos | 46435 | 1980 |
| CHIP CHUAN CONTRACTORS PTE. LTD. | 198401222E | Dairy Farm | 30110 | 1984 |
| CHOON INSULATION & ENGINEERING PTE. LTD. | 200204801W | Canberra | 43220 | 2002 |
| CHUAN MENG ELECTRICAL CONTRACTORS PTE LTD | 199602826E | Pasir Ris | 43210 | 1996 |
| CHUAN SOON M&E PTE. LTD. | 200822475W | Eunos | 71122 | 2008 |
| CHUBB SINGAPORE PRIVATE LIMITED | 197201537D | MacPherson | 43210 | 1972 |
| CHYE HENG M & E SERVICES PTE LTD | 200001958R | Eunos | 43210 | 2000 |
| CINVI SYSTEMS PTE. LTD. | 200603697G | Bedok | 43210 | 2006 |
| CIS-TRONICS PTE LTD | 200104955R | Boon Lay | 43210 | 2001 |
| CITIC ENGINEERING PTE LTD | 199104421G | Boon Lay | 43210 | 1991 |
| CIVILLAND CONSTRUCTION & ENGINEERING PTE LTD | 199900253C | Canberra | 42909 | 1999 |
| CLAYMORE ELECTRICAL ENGINEERING SERVICES PTE LTD | 199904204N | Eunos | 43210 | 1999 |
| CNS ELECTRICAL PTE LTD | 198201720H | MacPherson | 71121 | 1982 |
| COLT VENTILATION EAST ASIA PTE LIMITED | 199400109K | Chinatown | 41009 | 1994 |
| COMBINE-TEC ELECTRICAL ENGINEERING PTE LTD | 199903808H | Canberra | 41009 | 1999 |
| COMMEND SGP PTE. LTD. | 197801093E | Hougang | 61020 | 1978 |
| COMMODITAS PTE. LTD. | 197702693E | Ang Mo Kio | 46595 | 1977 |
| COMMS SQUARE CREATIVE PTE. LTD. | 200001014K | Eunos | 43210 | 2000 |
| COMVISION TECHNOLOGY INTERNATIONAL PTE LTD | 199907723K | Ang Mo Kio | 43301 | 1999 |
| CONCORD CORPORATION PTE. LTD. | 200804728G | Bedok | 43210 | 2008 |
| CONSTRUCTION DESIGNERS & BUILDERS PTE. LTD. | 199303080E | Jalan Kayu | 42100 | 1993 |
| CONTROLLED BLASTING SPECIALISTS PTE LTD | 198902560M | Chinatown | 41009 | 1989 |
| CONVERGINT SINGAPORE PTE. LTD. | 200715153N | Balestier | 43210 | 2007 |
| CST ENGINEERING PTE LTD | 198305745W | MacPherson | 43210 | 1983 |
| CTS COMMUNICATIONS PTE. LTD. | 199906046K | Mandai | 26301 | 1999 |
| CYCLECT ENGINEERING PTE. LTD. | 197302305N | Boon Lay | 43210 | 1973 |
| D-TEAM ENGINEERING PTE. LTD. | 201117013E | Ang Mo Kio | 43220 | 2011 |
| D.V.I SOLUTIONS (S) PTE. LTD. | 200205478C | Balestier | 43210 | 2002 |
| DAALINI ENGINEERING PTE. LTD. | 200609934Z | Canberra | 42302 | 2006 |
| DAK ENGINEERING PTE. LTD. | 200613713N | Eunos | 43210 | 2006 |
| DATAPREP ASIA PTE LTD | 198502446D | Dairy Farm | 43210 | 1985 |
| DEAL ENGINEERING (M & E) PTE LTD | 198500528C | Canberra | 43210 | 1985 |
| DECIBEL SOUND SYSTEMS PTE. LTD. | 200511339K | Balestier | 43210 | 2005 |
| DELCO ENGINEERING PTE LTD | 198902528H | Balestier | 43210 | 1989 |
| DENETRON INTERNATIONAL (S) PTE LTD | 199408534D | Canberra | 46900 | 1994 |
| DENSCO ELECTRICAL ENGINEERING PTE LTD | 199003082R | Eunos | 43210 | 1990 |
| DEPENDABLE SOLUTIONS PARTNER PTE. LTD. | 200504640Z | Pasir Ris | 43210 | 2005 |
| DESIGN AIRE ENGINEERING (S) PTE LTD | 198104084M | Eunos | 43299 | 1981 |
| DIGI ENGINEERING PTE. LTD. | 200208518H | Canberra | 43210 | 2002 |
| DIGO CORPORATION PTE. LTD. | 200313006C | Canberra | 43210 | 2003 |
| DLE M&E PTE. LTD. | 198001575K | Eunos | 43210 | 1980 |
| DLM PTE. LTD. | 198402047M | Eunos | 43210 | 1984 |
| DSH FIRE SYSTEMS PTE. LTD. | 201016803H | Bedok | 43210 | 2010 |
| DSL INTEGRATED SOLUTION PTE. LTD. | 201421352Z | Boon Lay | 43210 | 2014 |
| DUNHAM-BUSH INTERNATIONAL PTE LTD | 198904637W | Boat Quay | 28300 | 1989 |
| DYNAMECH SYSTEM PTE. LTD. | 201538584E | Alexandra | 71121 | 2015 |
| DYNAMIC WORLD CONTRACTING SERVICES PTE. LTD. | 199804235Z | Boon Lay | 43210 | 1998 |
| E-TECH BUILDING SERVICES PTE. LTD. | 201115355H | Eunos | 68203 | 2011 |
| E.N.S. ELECTRICAL ENGINEERING PTE LTD | 199903209M | Eunos | 43210 | 1999 |
| E&M TECHNOLOGY PTE LTD | 200005794Z | Balestier | 27104 | 2000 |
| E1 ENGINEERING PTE LTD | 199907593K | Eunos | 43210 | 1999 |
| EARNEST CORPORATION PTE LTD | 198103188N | Bedok | 46900 | 1981 |
| EG ENGINEERING PTE. LTD. | 200508356Z | Dairy Farm | 43210 | 2005 |
| EHP PTE. LTD. | 200210542H | Ang Mo Kio | 43210 | 2002 |
| EITA TECHNOLOGIES PTE LTD | 200106222R | Ang Mo Kio | 43210 | 2001 |
| ELECT TECHNOLOGIES PTE. LTD. | 199003154N | Buona Vista | 35400 | 1990 |
| ELECTECH PTE. LTD. | 200615140E | Pasir Ris | 43210 | 2006 |
| ELICON ENGINEERING PTE. LTD. | 201020620M | Chinatown | 71129 | 2010 |
| ELIKTRICAL ENGINEERING PTE. LTD. | 200415583Z | Canberra | 43210 | 2004 |
| ELIOT ENGINEERING PTE LTD | 199802594R | MacPherson | 43210 | 1998 |
| ELSTEEL TECHNO (S) PTE LTD | 199400256R | Canberra | 26512 | 1994 |
| ELTRON ELECTRICAL ENGINEERING PTE. LTD. | 200301596W | Hougang | 43210 | 2003 |
| EMS WIRING SYSTEMS PTE. LTD. | 199004714G | Bedok | 41009 | 1990 |
| ENG HOE PTE LTD | 199201006M | Eunos | 26511 | 1992 |
| ENG HUP ENGINEERING PTE LTD | 199803209H | Canberra | 43210 | 1998 |
| ENG YEOW ELECTRIC PTE LTD | 198900252E | Mandai | 43210 | 1989 |
| EPRO ENGINEERING PTE. LTD. | 200210253H | Admiralty | 43210 | 2002 |
| EQUATION TECHNOLOGY & CABLING PTE LTD | 200003487D | Boon Lay | 41009 | 2000 |
| ETORA UNITED ENGINEERING (S) PTE. LTD. | 200304967W | Eunos | 43210 | 2003 |
| EUNIX FIRE PROTECTION PTE. LTD. | 200512694M | Boon Lay | 43210 | 2005 |
| EUREKA TECHNOLOGIES PTE LTD | 199205734R | Boon Lay | 43210 | 1992 |
| EVEREADY FIRE PTE. LTD. | 200402923N | Balestier | 41001 | 2004 |
| EVERGREEN ENGINEERING & CONSTRUCTION PTE LTD | 200003569N | Hougang | 43210 | 2000 |
| EVERISE CIVIL ENGINEERING CONSTRUCTION PTE LTD | 200008273Z | Hougang | 43210 | 2000 |
| EVERMARK INTERNATIONAL (PTE.) LIMITED | 197901321C | Admiralty | 46900 | 1979 |
| EVICA POWER PTE LTD | 199700407D | Eunos | 46522 | 1997 |
| EXCEL EVERLITE PTE. LTD. | 200500147W | Dairy Farm | 43210 | 2005 |
| EXCELLENT FIRE EQUIPMENT PTE LTD | 199100946N | Bedok | 43210 | 1991 |
| EXPEDITE AIR CONDITIONING & ELECTRICAL PTE LTD | 199101669E | Hougang | 43210 | 1991 |
| EXPORT HOUSE (SINGAPORE) PTE. LTD. | 200302876M | Eunos | 46433 | 2003 |
| EXPRESS 21 PTE LTD | 199607589M | Boon Lay | 43210 | 1996 |
| F.A.S.T. ELECTROMECH PTE LTD | 198902101H | Dairy Farm | 43210 | 1989 |
| FAITA ENGINEERING PTE LTD | 199504500Z | Admiralty | 43210 | 1995 |
| FAST-TRACK SYSTEMS & SERVICES PTE LTD | 200002876C | Eunos | 71121 | 2000 |
| FEBA TECHNOLOGIES PTE. LTD. | 200400564E | Canberra | 43210 | 2004 |
| FENGSHENG ELECTRIC CO PTE LTD | 198301832C | Eunos | 43210 | 1983 |
| FERMAX ASIA PACIFIC PTE. LTD. | 199101486H | Balestier | 43210 | 1991 |
| FIDENS BUILDING SERVICES PTE LTD | 199704697M | Eunos | 43210 | 1997 |
| FIRE ARMOUR PTE. LTD. | 198203978C | Boon Lay | 28199 | 1982 |
| FIRE PROTECTION COMPANY PTE LTD | 198100816R | Ang Mo Kio | 70201 | 1981 |
| FIRESAFETY & BUILDING SERVICES PTE. LTD. | 200209655W | Eunos | 43210 | 2002 |
| FIRETECH SERVICES PTE LTD | 200108054Z | Dairy Farm | 43210 | 2001 |
| FIRST CHOICE SYSTEM ENGINEERING PTE. LTD. | 200308071Z | Balestier | 43210 | 2003 |
| FIRST COMMUNICATIONS & SERVICES PTE. LTD. | 200208426E | Ang Mo Kio | 43210 | 2002 |
| FITTERLAB ENGINEERING PTE. LTD. | 200412868D | Eunos | 71121 | 2004 |
| FLAIR ILLUME PTE. LTD. | 200208728K | Mandai | 43210 | 2002 |
| FLEXCITY ENGINEERING PTE. LTD. | 200409853M | Ang Mo Kio | 43210 | 2004 |
| FORA ENGINEERING PTE LTD | 200200038K | Eunos | 43210 | 2002 |
| FOUR TECH ENGINEERING PTE. LTD. | 200412927R | MacPherson | 43210 | 2004 |
| FUJI SMBE ENGINEERING PTE. LTD. | 199407419C | Canberra | 27104 | 1994 |
| FURUKAWA ELECTRIC ENGINEERING SINGAPORE PTE. LTD. | 200002977G | Buona Vista | 43210 | 2000 |
| G4S SECURE SOLUTIONS (SINGAPORE) PTE. LTD. | 200107515R | Farrer Park | 80100 | 2001 |
| GAIN CITY ENGINEERING (M&E) PTE LTD | 199602238M | Ang Mo Kio | 43210 | 1996 |
| GATHERGATES SWITCHGEAR PTE. LTD. | 200205049R | Canberra | 27104 | 2002 |
| GE GRID SOLUTIONS PTE. LTD. | 199509139Z | Eunos | 27109 | 1995 |
| GEE GUAN ENGINEERING PTE. LTD. | 200202476K | Eunos | 43210 | 2002 |
| GENISYS INTEGRATED ENGINEERS PTE LTD | 198803288N | MacPherson | 43210 | 1988 |
| GENNAL ENGINEERING PTE. LTD. | 200001113N | Eunos | 43210 | 2000 |
| GENNAL INDUSTRIES PTE LTD | 199801034K | Eunos | 41001 | 1998 |
| GEO-ENERGY PTE. LTD. | 200101427W | Boon Lay | 43210 | 2001 |
| GIB AUTOMATION PTE LTD | 199503788C | Eunos | 43292 | 1995 |
| GLOBE ENGINEERING & CONSTRUCTION PTE. LTD. | 200406021G | Admiralty | 42100 | 2004 |
| GM ENGINEERING PTE. LTD. | 200411998Z | Eunos | 43210 | 2004 |
| GOH GENERAL ENGINEERING PTE LTD | 199005390D | Canberra | 41001 | 1990 |
| GOLDEN SINGA ENGINEERING (S'PORE) PTE LTD | 198300188M | Boon Lay | 43210 | 1983 |
| GOLDENTECH AIRCON & ELECTRICAL PTE LTD | 200102506M | Hougang | 43210 | 2001 |
| GOWELL SYNTHESIS PTE. LTD. | 201723196H | Canberra | 43210 | 2017 |
| GRACE ELECTRICAL ENGINEERING PTE LTD | 198104468H | Boon Lay | 43210 | 1981 |
| GREAT TEAM ELECTRICAL ENGINEERING PTE LTD | 200005837K | Clementi Park | 43210 | 2000 |
| GREENLITE ELECTRIC PTE. LTD. | 200404064W | Boon Lay | 43210 | 2004 |
| GUARDFIRE SINGAPORE PTE. LTD. | 199308009D | Eunos | 43210 | 1993 |
| GUTHRIE ENGINEERING (S) PTE LTD | 195100006K | Eunos | 71121 | 1951 |
| H-CUBE GROUP PTE. LTD. | 200307005W | Hougang | 43210 | 2003 |
| HAI YONG ENGINEERING PTE LTD | 198800456N | Mandai | 43220 | 1988 |
| HART ENGINEERING (PRIVATE) LIMITED | 197100230D | Boon Lay | 25111 | 1971 |
| HEC ELECTRICAL & CONSTRUCTION PTE LTD | 199501306G | Admiralty | 41001 | 1995 |
| HEXCEL SOLUTIONS PTE. LTD. | 200306063R | Boon Lay | 43292 | 2003 |
| HI-POINT ENGINEERING PTE LTD | 200100064C | Eunos | 43292 | 2001 |
| HIAP LIAN ENGINEERING PTE. LTD. | 200911688C | Admiralty | 43210 | 2009 |
| HIAP YEW ENGINEERING PTE. LTD. | 199703479D | Beach Road | 43210 | 1997 |
| HIGHNESS ELECTRICAL ENGINEERING PTE. LTD. | 198303962G | Mandai | 43210 | 1983 |
| HOCK KEONG ENGINEERING PTE LTD | 199702981E | Eunos | 43210 | 1997 |
| HOLLAND ELECTRICAL ENGINEERING SERVICES PTE LTD | 198802306H | Boon Lay | 96099 | 1988 |
| HONG AN ENGINEERING PTE. LTD. | 200400288K | Eunos | 43210 | 2004 |
| HONG DAT ENGINEERING PTE LTD | 200100102W | Hougang | 43210 | 2001 |
| HONG HAN INTERNATIONAL PTE. LTD. | 201133089K | Dairy Farm | 43210 | 2011 |
| HONG HWA ENGINEERING CONSTRUCTION PTE. LTD. | 199908191G | Eunos | 43210 | 1999 |
| HOONG KONG ELECTRIC COMPANY PRIVATE LIMITED | 197501313R | Alexandra | 43210 | 1975 |
| HORSE POWER ENGINEERING & GENERAL SERVICES PTE. LTD. | 201120081R | Eunos | 43210 | 2011 |
| HPH ENGINEERING PTE LTD | 199805771R | Balestier | 71122 | 1998 |
| HUA YUAN BUILDER PTE. LTD. | 200905578C | Admiralty | 43301 | 2009 |
| HUP LYE KIT ELECTRICAL ENGINEERING PTE LTD | 199702033M | Canberra | 43210 | 1997 |
| HY-CAD SYSTEMS & ENGINEERING PTE LTD | 198701310R | Ang Mo Kio | 46522 | 1987 |
| HYPER COMMUNICATIONS PTE. LTD. | 200601807H | Alexandra | 46521 | 2006 |
| I BEST CONSTRUCTION & TRADING PTE. LTD. | 201009929E | Boon Lay | 41009 | 2010 |
| I-ELECTRICAL ENGINEERING PTE LTD | 200101312R | Eunos | 43210 | 2001 |
| IBB AUTOMATION PTE LTD | 199806219K | Boat Quay | 28300 | 1998 |
| IBMS TECHNOLOGY PTE LTD | 200000505E | Ang Mo Kio | 43210 | 2000 |
| IDELUX ENGINEERING PTE. LTD. | 200510437G | Dairy Farm | 27104 | 2005 |
| IFACILITIES PTE. LTD. | 201012243G | Boon Lay | 43210 | 2010 |
| IFC ENGINEERING PTE. LTD. | 200207592H | Admiralty | 41009 | 2002 |
| IGM INTEGRATED PTE. LTD. | 199706074Z | Hougang | 41009 | 1997 |
| IMGVISION PTE. LTD. | 200412438G | Clementi Park | 43210 | 2004 |
| INFOPLUS SOLUTIONS PTE. LTD. | 200201395N | Boon Lay | 43210 | 2002 |
| INFRA ENGINEERING PTE LTD | 199704732R | Ang Mo Kio | 43210 | 1997 |
| INO ELECTRICAL ENGINEERING PTE. LTD. | 200308377H | Eunos | 43210 | 2003 |
| INTARI ELECTRONICS PTE LTD | 199801236C | MacPherson | 43210 | 1998 |
| INTEGRATED SERVICES MANAGEMENT PTE. LTD. | 199503979H | Ang Mo Kio | 43210 | 1995 |
| INTERIORHUB PTE. LTD. | 200203297N | Eunos | 74191 | 2002 |
| INVENTO ENGINEERS PTE LTD | 199206732K | Dairy Farm | 43210 | 1992 |
| IPE ENGINEERING PTE. LTD. | 199705990R | Eunos | 43210 | 1997 |
| IPS SECUREX PTE. LTD. | 199105423E | Alexandra | 43210 | 1991 |
| ISC SECURITY PTE. LTD. | 199701004H | Eunos | 70201 | 1997 |
| ITAG PTE. LTD. | 200504934N | Ang Mo Kio | 43210 | 2005 |
| IX TECHNOLOGY PTE. LTD. | 200309345E | Eunos | 71129 | 2003 |
| J J & K ENGINEERING PRIVATE LIMITED | 200107902H | Mandai | 43210 | 2001 |
| J KEART SERVICES PTE. LTD. | 200304941G | Eunos | 43210 | 2003 |
| J. KEART ALLIANCES PTE. LTD. | 198804023K | Alexandra | 43210 | 1988 |
| JABY CONSTRUCTION PTE. LTD. | 200602708C | MacPherson | 41009 | 2006 |
| JASMINE ENGINEERING PTE. LTD. | 198303875W | Bedok | 41001 | 1983 |
| JASPER AIR-CONDITION ENGINEERING PTE LTD | 198400817W | MacPherson | 43220 | 1984 |
| JC CONNECTIONS PTE LTD | 199502249M | MacPherson | 43210 | 1995 |
| JEREVIN INDUSTRIAL PTE LTD | 198502711N | Ang Mo Kio | 43210 | 1985 |
| JIN ZHOU M&E PTE. LTD. | 200104371K | Balestier | 43210 | 2001 |
| JKK TECHNOLOGIES INTERNATIONAL PTE. LTD. | 201013500D | Eunos | 74111 | 2010 |
| JOHN HOLLAND ENGINEERING PTE LTD | 199304693N | Ang Mo Kio | 41009 | 1993 |
| JOHO ENGINEERING & SERVICES PTE. LTD. | 199001575R | Ang Mo Kio | 43210 | 1990 |
| JOIN AIRCON & ELECTRICAL ENGINEERING PTE LTD | 199407760K | Canberra | 43210 | 1994 |
| JOINT TECH ENGINEERING PTE LTD | 199700161K | Buona Vista | 43210 | 1997 |
| JOY'S ELECTRICAL AND ENGINEERING (M&E) PTE LTD | 198702130H | Hougang | 43110 | 1987 |
| JS CONSTRUCTION PTE. LTD. | 200307429E | Pasir Ris | 71121 | 2003 |
| K M Y ELECTRICAL ENGINEERING PTE LTD | 199906983Z | Balestier | 43210 | 1999 |
| K. A. FIRELITE PTE. LTD. | 199801657R | Eunos | 43210 | 1998 |
| K.B.C. ENGINEERING (PTE. LTD.) | 200810712C | Eunos | 43210 | 2008 |
| KANDENKO CO LTD | S78FC2739K | Alexandra | 43210 | 1978 |
| KEENG XING ELECTRICAL PTE. LTD. | 200610970W | Bedok | 43210 | 2006 |
| KEYDENCE SYSTEMS PTE. LTD. | 201019151W | Ang Mo Kio | 43210 | 2010 |
| KHAN AIR-CONDITIONING PTE. LTD. | 201024831K | Farrer Park | 43210 | 2010 |
| KINDEN CORPORATION | S83FC3257J | Balestier | 43210 | 1983 |
| KING'S SECURITY AND SAFETY MANAGEMENT PTE LTD | 198303709W | Balestier | 80100 | 1983 |
| KOIZUMI LIGHTING SINGAPORE PTE. LTD. | 199405659H | Eunos | 27400 | 1994 |
| KONTOURZ PTE. LTD. | 200719021E | Canberra | 43210 | 2007 |
| L & K ENGINEERING CO., LTD (SINGAPORE BRANCH) | T01FC6055L | Eunos | 43220 | 2001 |
| LANTRO NE PTE. LTD. | 199707157W | Buona Vista | 43210 | 1997 |
| LCE ENGINEERING PTE LTD | 199005648K | Balestier | 43210 | 1990 |
| LEADS TECH SYSTEMS PTE. LTD. | 199302889D | Mandai | 43210 | 1993 |
| LEAP INTEGRATED PTE. LTD. | 200008266Z | MacPherson | 43210 | 2000 |
| LECTRIX ENGINEERING PTE. LTD. | 200201323D | Eunos | 43210 | 2002 |
| LEE WAH ELECTRICAL PTE LTD | 199708395M | Eunos | 43210 | 1997 |
| LENG AIK ENGINEERING PTE LTD | 199903176N | Boon Lay | 43210 | 1999 |
| LEYTRON TECHNOLOGY PTE LTD | 199206388C | Ang Mo Kio | 28300 | 1992 |
| LIAN HUAH ENGINEERING PTE LTD | 198201105K | Mandai | 43210 | 1982 |
| LIAN SOON M & E PTE LTD | 199801722W | Canberra | 28300 | 1998 |
| LIEBHERR-SINGAPORE PTE LTD | 198902446W | Boon Lay | 41009 | 1989 |
| LIM HANG CHUNG ELECTRICAL ENGINEERING PTE LTD | 199002419E | Eunos | 43210 | 1990 |
| LIM KIM HOCK ENGINEERING PTE LTD | 200103968E | Canberra | 43210 | 2001 |
| LINEAR POWER SYSTEMS PTE LTD | 199900773Z | Farrer Park | 43210 | 1999 |
| LINK ELECTRICAL PTE. LTD. | 200300602W | Eunos | 43210 | 2003 |
| LINKFORCE PTE. LTD. | 197902839K | Beach Road | 43210 | 1979 |
| LINKFORCE SERVICES PTE. LTD. | 199104639R | Beach Road | 43210 | 1991 |
| LIUSING ENGINEERING PTE. LTD. | 200500671D | Boon Lay | 71121 | 2005 |
| LKH PROJECTS DISTRIBUTION PTE. LTD. | 197600246Z | Boon Lay | 46544 | 1976 |
| LONG WIN AIRCONDITION ENGINEERING PTE LTD | 200005470G | Changi | 43210 | 2000 |
| LPC INDUSTRIAL SERVICES PTE LTD | 199905264G | Boon Lay | 43210 | 1999 |
| LS BUILDWIN LTD. (SINGAPORE BRANCH) | T10FC0025D | Eunos | 42302 | 2010 |
| LSK ENGINEERING (S) PTE LTD | 199000237G | Ang Mo Kio | 43210 | 1990 |
| LSY CONSTRUCTION AND ELECTRICAL PTE. LTD. | 198600290D | Eunos | 41001 | 1986 |
| LW E&M TECHNOLOGIES PTE. LTD. | 200503473E | Boon Lay | 41009 | 2005 |
| M-TECH AIR-CON & SECURITY ENGINEERING PTE LTD | 199304048W | Eunos | 43220 | 1993 |
| M.T. DESIGN ELECTRICAL PTE. LTD. | 199704676R | Admiralty | 43301 | 1997 |
| MAC-SYSTEM ENTERPRISE PTE LTD | 199401466N | Dairy Farm | 28191 | 1994 |
| MACRO SOLUTIONS PTE. LTD. | 200907856K | Boon Lay | 71121 | 2009 |
| MAL-SIN ENGINEERING PTE LTD | 199507986N | Canberra | 43210 | 1995 |
| MARKO INTERNATIONAL PTE. LTD. | 200902289M | Boon Lay | 43210 | 2009 |
| MARKPOINT ENGINEERING PTE LTD | 199904014W | Canberra | 41009 | 1999 |
| MASS POWER ENGINEERING PTE LTD | 199600798H | Eunos | 43210 | 1996 |
| MAXCON CONSTRUCTION & ENGINEERING PTE LTD | 200101325C | Canberra | 41001 | 2001 |
| MAXI MORRIE ENGINEERING PTE. LTD. | 201319269D | Canberra | 42302 | 2013 |
| ME3 ENGINEERING PTE. LTD. | 200104126M | Admiralty | 43210 | 2001 |
| MECGRO ENGINEERING & CONSTRUCTION PTE. LTD. | 200003726Z | Boon Lay | 28300 | 2000 |
| MECHFIRE ENGINEERING & CONSTRUCTION PTE. LTD. | 199706924G | Eunos | 43210 | 1997 |
| MECHTRANS ENGINEERING PTE. LTD. | 201704482R | Boon Lay | 42100 | 2017 |
| MEETINGCOM PTE LTD | 200006379G | Balestier | 43210 | 2000 |
| METRACO REFRIGERATION ENGINEERING PTE. LTD. | 200303077D | Boon Lay | 43210 | 2003 |
| MIMOSA TECHNOLOGY PTE. LTD. | 200408769Z | Farrer Park | 43292 | 2004 |
| MINERVA INDUSTRIAL & TRADING PTE. LTD. | 198801303Z | Eunos | 43292 | 1988 |
| MITZ POWER PTE LTD | 199900221C | Eunos | 43210 | 1999 |
| MKV ENGINEERING AND TRADING SERVICES PTE. LTD. | 200716898W | Eunos | 43210 | 2007 |
| MO GUAN CONSTRUCTION ENGINEERING PTE LTD | 199902469C | Admiralty | 43210 | 1999 |
| MQ COMMUNICATIONS PTE. LTD. | 200401550E | Balestier | 62021 | 2004 |
| MUBEST PTE. LTD. | 200612527E | Canberra | 41009 | 2006 |
| MULTI-LINES ENGINEERING PTE LTD | 199700659W | Canberra | 43210 | 1997 |
| MULTIPOWER DISTRIBUTION PTE LTD | 200009266R | Ang Mo Kio | 43210 | 2000 |
| MULTRON SYSTEMS PTE LTD | 198500721N | Balestier | 43210 | 1985 |
| MUN HEAN SINGAPORE PTE. LTD. | 198100294H | Balestier | 46900 | 1981 |
| MUN HEAN TECHNOLOGY PTE. LTD. | 198601941H | Balestier | 46900 | 1986 |
| MW DYNAMICS PTE. LTD. | 199606858K | Canberra | 43220 | 1996 |
| MX ENGINEERING PTE. LTD. | 201802642E | Canberra | 43210 | 2018 |
| NCE CORPORATION (S) PTE. LTD. | 200511241C | Eunos | 41001 | 2005 |
| NCY ENGINEERING PTE. LTD. | 201931219G | Canberra | 42100 | 2019 |
| NEC NETWORKS & SYSTEM INTEGRATION CORPORATION (SINGAPORE BRANCH) | S86FC3711E | Eunos | 63909 | 1986 |
| NEPTUNE MECHANICAL ENGINEERING PTE LTD | 199400199E | Bedok | 28300 | 1994 |
| NETE2 ASIA PTE LTD | 200005142G | Eunos | 62023 | 2000 |
| NEW STARLIGHT INDUSTRIES PTE LTD | 198304150M | Eunos | 43210 | 1983 |
| NEWTECH TECHNOLOGY (SOUTH ASIA) PTE LTD | 200010424D | Eunos | 71125 | 2000 |
| NEXON ENGINEERING PTE. LTD. | 201416907C | Eunos | 43210 | 2014 |
| NEXUS CONSULTANCY SERVICES PTE LTD | 200009295D | Canberra | 43220 | 2000 |
| NEXWAVE TECHNOLOGIES PTE LTD | 200101798C | City Hall | 43210 | 2001 |
| NGEE CHENG ELECTRIC COMPANY (PRIVATE) LIMITED | 197101150K | Mandai | 43210 | 1971 |
| NXGEN COMMUNICATIONS PTE LTD | 200000591R | City Hall | 26301 | 2000 |
| OES TECHNOLOGY PTE. LTD. | 200503222C | Eunos | 43210 | 2005 |
| ON ENGINEERS PTE. LTD. | 200007306C | Boon Lay | 71121 | 2000 |
| OPTIMA (DC) SOLUTIONS & SERVICES PTE. LTD. | 200303297W | Canberra | 27109 | 2003 |
| OTTO SOLUTIONS PTE. LTD. | 199204172C | Eunos | 43210 | 1992 |
| P.P.I. TECHNOLOGIES PTE. LTD. | 200512100C | Admiralty | 43210 | 2005 |
| PAC COMPONENTS PTE LTD | 199502300W | Eunos | 46522 | 1995 |
| PACIFIC RELIANCE PTE LTD | 198102870Z | Farrer Park | 43210 | 1981 |
| PAMAS ENTERPRISE PTE LTD | 198902237G | Ang Mo Kio | 43210 | 1989 |
| PANATEC & PERFECT INDUSTRIES PTE LTD | 199405458H | Eunos | 43210 | 1994 |
| PARALLEL ENGINEERING PTE LTD | 199504575D | Dairy Farm | 43210 | 1995 |
| PARICO ELECTRICAL ENGINEERING PRIVATE LIMITED | 198001751K | MacPherson | 43210 | 1980 |
| PATENT SYSTEMS PTE LTD | 199608567C | Alexandra | 46595 | 1996 |
| PCE AUTOMATION PTE LTD | 198304712K | Ang Mo Kio | 27104 | 1983 |
| PEAK ENGINEERING & CONSULTANCY PTE. LTD. | 201133941D | Pasir Ris | 43210 | 2011 |
| PEAK TOP ENGINEERING PTE LTD | 200008451C | Ang Mo Kio | 43210 | 2000 |
| PEDRO INVESTIGATIONS & SECURITY SERVICES PTE LTD | 199506979W | Beach Road | 80100 | 1995 |
| PENG YAP ENGINEERING (S) PTE. LTD. | 200506334Z | Ang Mo Kio | 71124 | 2005 |
| PENTA LIGHTING PTE LTD | 199001296H | Ang Mo Kio | 47533 | 1990 |
| PERFECT ELECTRIC & CO. PTE. LTD. | 197700248E | Eunos | 43210 | 1977 |
| PERITA ELECTRICAL ENGINEERING PTE LTD | 199000173Z | MacPherson | 43210 | 1990 |
| PESKO ENGINEERING PTE LTD | 198400308D | Boon Lay | 43210 | 1984 |
| PH CHEW CONSORTIUM & ID PTE. LTD. | 199500022H | Balestier | 43210 | 1995 |
| PHP ENGINEERING PTE LTD | 198802948H | Mandai | 43210 | 1988 |
| PIE ENGINEERING PTE. LTD. | 200400332R | Ang Mo Kio | 43210 | 2004 |
| POH CHUAN ELECTRICAL PTE LTD | 199505246H | Mandai | 43210 | 1995 |
| POWEN ENGINEERING PTE. LTD. | 198104254D | Dairy Farm | 43210 | 1981 |
| POWER ENGINEERING & CONTROLS PTE. LTD. | 200820611N | Boon Lay | 71122 | 2008 |
| POWERHOUSE CONTROLS PTE. LTD. | 200602584K | Ang Mo Kio | 43210 | 2006 |
| PRESICO ENGINEERING PTE. LTD. | 200904221C | Boon Lay | 43210 | 2009 |
| PRINT LAB PTE. LTD. | 200711847C | Hougang | 31001 | 2007 |
| PRK ENGINEERING PTE. LTD. | 201002052C | Hougang | 71121 | 2010 |
| PRO-ACE OFFSHORE ENGINEERING PTE. LTD. | 200509591C | Boon Lay | 71126 | 2005 |
| PRO-ACE POWER & CONTROL PTE LTD | 200003523W | Boon Lay | 43210 | 2000 |
| PRO-MATRIX PTE LTD | 200007857H | Ang Mo Kio | 43210 | 2000 |
| PROLIGHT ENGINEERING PTE. LTD. | 198601899E | Dairy Farm | 71121 | 1986 |
| PROPELL INTEGRATED PTE LTD | 199903182D | Dairy Farm | 43210 | 1999 |
| PROVAC INTERNATIONAL PTE LTD | 198000491C | MacPherson | 28191 | 1980 |
| PROVISION TECHNOLOGY (ASIA PACIFIC) PTE LTD | 200003928K | Boon Lay | 46595 | 2000 |
| QE ELEMECH ENGINEERING PTE. LTD. | 200311658C | Canberra | 28300 | 2003 |
| QUICK & BEST ELECTRICAL ENGINEERING PTE LTD | 199804377G | Dairy Farm | 43210 | 1998 |
| QUICKSTART TECHNOLOGY PTE. LTD. | 200502115K | Boon Lay | 43210 | 2005 |
| QUINTEC TECHNOLOGY PTE. LTD. | 200202128E | Bedok | 43210 | 2002 |
| RAFFLES TECH PTE. LTD. | 200612403C | Balestier | 41009 | 2006 |
| RAM CONSTRUCTION & ENGINEERING PTE LTD | 200002591H | Dairy Farm | 42100 | 2000 |
| RANKO SECURITY & ENGINEERING PTE. LTD. | 200301843E | MacPherson | 71121 | 2003 |
| RED-POWER ELECTRICAL ENGINEERING PTE LTD | 199504294N | Hougang | 43210 | 1995 |
| REDLINK TECHNOLOGY PTE. LTD. | 200304139E | Admiralty | 43210 | 2003 |
| REE ELECTRICAL ENGINEERING PTE LTD | 199801477M | Boon Lay | 43210 | 1998 |
| RELY ENGINEERING & SERVICES PTE LTD | 199206675Z | Bedok | 43210 | 1992 |
| REMCO ELECTRICAL ENGINEERING PTE LTD | 200007668D | Ang Mo Kio | 43210 | 2000 |
| REX ENGINEERING & CONSTRUCTION PTE. LTD. | 200509313M | Mandai | 41001 | 2005 |
| RHYTHME TECHNOLOGY PTE LTD | 199302227W | Canberra | 43210 | 1993 |
| RICO ENGINEERING WORKS PTE LTD | 199800407G | Jalan Kayu | 28300 | 1998 |
| RICOOL ENGINEERING PTE LTD | 199905655D | Ang Mo Kio | 43210 | 1999 |
| RNC ENGINEERING PTE LTD | 199901515M | Buona Vista | 43210 | 1999 |
| ROM ENGINEERING PTE LTD | 198803098W | Hougang | 43210 | 1988 |
| ROTARY ELECTRICAL & INSTRUMENTATION PTE. LTD. | 197501263E | Boon Lay | 43210 | 1975 |
| ROTARY SWITCHGEAR & TESTING PTE LTD | 198202150R | Boon Lay | 71129 | 1982 |
| RPM ELECTRICAL ENGINEERING PTE. LTD. | 200409160K | Boon Lay | 27101 | 2004 |
| RSD FIRE ENGINEERING PTE. LTD. | 200510778M | Farrer Park | 43210 | 2005 |
| RYB ENGINEERING PTE LTD | 199602670N | Canberra | 43210 | 1996 |
| RYTTER (S) PTE LTD | 199002885H | Ang Mo Kio | 41009 | 1990 |
| S K E ENGINEERING (S) PTE LTD | 199400542D | Dairy Farm | 43210 | 1994 |
| S2 TECHNOLOGY PTE. LTD. | 202006251K | Canberra | 43210 | 2020 |
| SAFENET FIRE SYSTEMS PTE. LTD. | 201914811Z | Boon Lay | 43210 | 2019 |
| SAFEWAY MARKETING PTE LTD | 199203976E | MacPherson | 41009 | 1992 |
| SAFI EQUIPMENT & SERVICES PTE LTD | 198501842C | Eunos | 46595 | 1985 |
| SAFT BATTERIES PTE. LTD. | 200311978K | MacPherson | 43210 | 2003 |
| SANKO SINGAPORE (PTE) LIMITED | 198001437G | Boon Lay | 43210 | 1980 |
| SCH ENGINEERING PTE LTD | 200006247M | Ang Mo Kio | 43210 | 2000 |
| SCHEMPP SECURITY SYSTEMS PTE LTD | 199302793R | Eunos | 43210 | 1993 |
| SCHNEIDER ELECTRIC IT SINGAPORE PTE. LTD. | 199508807E | Balestier | 43210 | 1995 |
| SEAEVER CONSTRUCTION PTE. LTD. | 201109019E | Dairy Farm | 43220 | 2011 |
| SEALAND M&E PTE. LTD. | 200514490M | Eunos | 43210 | 2005 |
| SEATEAM M&E PTE. LTD. | 197901456H | Boon Lay | 41009 | 1979 |
| SECUREVISION PTE. LTD. | 200614644E | Eunos | 43210 | 2006 |
| SECURITAS ELECTRONIC SECURITY SINGAPORE PTE. LTD. | 200005059C | Eunos | 43210 | 2000 |
| SECURITAS GUARDING SERVICES (SINGAPORE) PTE. LTD. | 199400287E | Bedok | 80100 | 1994 |
| SECURITY INTEGRATION TECHNOLOGY PTE LTD | 199902292N | Boon Lay | 46595 | 1999 |
| SENG CHEW ELECTRIC CONTRACTOR PTE LTD | 199409043H | Bedok | 43210 | 1994 |
| SENG SOON ELECTRICAL ENGINEERING PTE LTD | 198804759R | Eunos | 43210 | 1988 |
| SENSORCRAFT TECHNOLOGY (S) PTE LTD | 199901154N | Eunos | 26511 | 1999 |
| SEQUENCE MAINTENANCE AND TRADING PTE LTD | 199603033E | Hougang | 43210 | 1996 |
| SHANGLY ENGINEERING (S) PTE LTD | 199101040N | Eunos | 43210 | 1991 |
| SHIN TECH MAINTENANCE AND SERVICES PTE. LTD. | 199707011G | Balestier | 43210 | 1997 |
| SHINRYO CORPORATION | S83FC3320B | Alexandra | 43220 | 1983 |
| SHINSEKI PTE. LTD. | 201127866R | Admiralty | 43210 | 2011 |
| SIN CHEW ALARM PTE LTD | 199003973E | MacPherson | 43210 | 1990 |
| SINDIA ENGINEERING & CONSTRUCTION PTE. LTD. | 201604262W | Ang Mo Kio | 41001 | 2016 |
| SINEW MECHANICAL & ELECTRICAL SERVICES PTE LTD | 199101550Z | Dairy Farm | 41009 | 1991 |
| SING MOH ELECTRICAL ENGINEERING PTE LTD | 198802810H | Mandai | 43210 | 1988 |
| SINTECH MECHANICAL & ELECTRICAL SERVICES PTE. LTD. | 200204614N | Dairy Farm | 43210 | 2002 |
| SJ AIR-CONDITIONING & ELECTRICAL PTE. LTD. | 198100177C | Pasir Ris | 43210 | 1981 |
| SJ THAMES ENGINEERING PTE. LTD. | 201100262N | Admiralty | 43210 | 2011 |
| SKB ELECTRICAL ENGINEERING PTE. LTD. | 201002925G | Canberra | 43210 | 2010 |
| SKTSYS PTE. LTD. | 200300038N | Eunos | 62090 | 2003 |
| SKY ASIA ENGINEERING PTE. LTD. | 201816581N | Hougang | 43210 | 2018 |
| SKYDE ENGINEERING PTE. LTD. | 200405713C | Eunos | 43210 | 2004 |
| SMAART SWITCHGEAR PTE. LTD. | 200806669G | Ang Mo Kio | 27104 | 2008 |
| SNR ENGINEERING SERVICES PTE. LTD. | 200507869C | Boon Lay | 30110 | 2005 |
| SOE ENGINEERING PTE. LTD. | 198802725C | Buona Vista | 43220 | 1988 |
| SOLARGY PTE. LTD. | 200712995N | Eunos | 43210 | 2007 |
| SONG CHENG ENGINEERING PTE. LTD. | 200606616D | Admiralty | 41001 | 2006 |
| SONG LEE ELECTRICAL ENGINEERING PTE. LTD. | 199404416Z | Canberra | 43210 | 1994 |
| SOVERUS PTE. LTD. | 200807896W | Buona Vista | 80100 | 2008 |
| SPANNERS INTERNATIONAL PTE LTD | 198401242K | Changi | 27109 | 1984 |
| SPECIALIST ELECTRIC PTE LTD | 198702871M | Hougang | 43210 | 1987 |
| SPERRY ENGINEERING PTE. LTD. | 200505979R | Ang Mo Kio | 28300 | 2005 |
| SPUR TECHNOLOGIES PTE. LTD. | 199604896G | Eunos | 47411 | 1996 |
| SQ 1 DEVELOPMENT PTE LTD | 200104333C | MacPherson | 81211 | 2001 |
| SR FIRE PROTECTION PTE. LTD. | 201026132M | Changi | 41001 | 2010 |
| SRK ENGINEERING PTE. LTD. | 200904391E | Eunos | 43210 | 2009 |
| STAR ELECTRICAL ENGINEERING PTE. LTD. | 200515243H | Eunos | 43210 | 2005 |
| STEADFAST (SINGAPORE) PTE LTD | 198002309M | MacPherson | 43210 | 1980 |
| STIB TECHNOLOGIES PTE. LTD. | 200500616C | City Hall | 71121 | 2005 |
| STRENGTH PTE. LTD. | 200506295M | Eunos | 41001 | 2005 |
| STRIVE ENGINEERING PTE LTD | 199508950G | Ang Mo Kio | 43301 | 1995 |
| STRONGLY LIGHTING PTE LTD | 199308502Z | MacPherson | 43210 | 1993 |
| SUN HUA ELECTRICAL ENGINEERING PTE. LTD. | 200412512K | Buona Vista | 43210 | 2004 |
| SUNLIGHT ELECTRICAL PTE LTD | 198600407N | Boon Lay | 43210 | 1986 |
| SUNTEX SERVICES PTE. LTD. | 199902038N | Admiralty | 43210 | 1999 |
| SUPERJET ENGINEERING PTE LTD | 199904688W | Bedok | 43210 | 1999 |
| SYSTEM TECHNIC ENGINEERING PTE. LTD. | 200500254M | Ang Mo Kio | 43210 | 2005 |
| SYSTEMS MAINTENANCE SERVICES PTE LTD | 199601058M | Dairy Farm | 41009 | 1996 |
| T & T ELECTRICAL ENGINEERING PTE. LTD. | 199609266D | Admiralty | 43210 | 1996 |
| T.K.H DECO PTE. LTD. | 200812679M | Bedok | 43909 | 2008 |
| T.K.H LIGHTING & ELECTRICAL TRADING PTE. LTD. | 200210876N | Bedok | 43210 | 2002 |
| T&L CONSTRUCTION PTE. LTD. | 201006331N | Boon Lay | 41001 | 2010 |
| TAI LEE HANG ELECTRICAL ENGINEERING PTE LTD | 199206777R | Ang Mo Kio | 41009 | 1992 |
| TAIHAN CABLE & SOLUTION CO., LTD. | S88FC3921B | MacPherson | 25949 | 1988 |
| TAM INTEGRATED SERVICES PTE. LTD. | 200713085G | Eunos | 43210 | 2007 |
| TAT CONNECTS PTE. LTD. | 201400566M | Eunos | 43210 | 2014 |
| TECHELM TECHNOLOGIES PTE. LTD. | 200501147N | Boon Lay | 43210 | 2005 |
| TECHNICDELTA M & E ENGINEERING PTE. LTD. | 199005077K | Hougang | 43210 | 1990 |
| TECHNICON ENGINEERING PTE. LTD. | 200403501E | Canberra | 43210 | 2004 |
| TECHNICS ENGINEERING PTE LTD | 199300938K | Eunos | 43220 | 1993 |
| TECO ELECTRIC & MACHINERY (PTE .) LTD | 197201331H | Boon Lay | 27109 | 1972 |
| TECSON ENGINEERING PTE LTD | 198602817W | Balestier | 43210 | 1986 |
| TERAFIRE PRODUCTIONS AND ENGINEERING PTE. LTD. | 200613189C | Admiralty | 41009 | 2006 |
| TERMINAL 9 PTE. LTD. | 200500953D | Eunos | 43210 | 2005 |
| TGL CONSTRUCTION & MANAGEMENT PTE LTD | 200002264Z | Newton | 43210 | 2000 |
| THK ENGINEERING PTE. LTD. | 200510141K | Eunos | 43210 | 2005 |
| THONG ELECTRIC INTEGRATE (S) PTE LTD | 199901146D | Chinatown | 43210 | 1999 |
| TIMOTHY COMSLINK SYSTEMS PTE. LTD. | 200202287E | Ang Mo Kio | 43292 | 2002 |