| 800 SUPER WASTE MANAGEMENT PTE LTD | 198601155H | Canberra | 38100 | 1986 |
| A ACTIVA PTE. LTD. | 200603103R | Eunos | 81211 | 2006 |
| A-FORCE MAINTENANCE PTE. LTD. | 201102791G | Alexandra | 81211 | 2011 |
| ABLE INTERNATIONAL PTE LTD | 199308295D | MacPherson | 46900 | 1993 |
| ABM (SEA) PTE. LTD. | 198700780G | Eunos | 81211 | 1987 |
| ABSOLUTE MAINTENANCE SERVICES PTE. LTD. | 200304458D | Eunos | 81211 | 2003 |
| ADVANCER SECURITY PTE. LTD. | 200203899D | Boon Lay | 80100 | 2002 |
| AEDGE HOLDINGS PTE. LTD. | 200509323E | Ang Mo Kio | 49212 | 2005 |
| AEON ENVIRONMENTAL SERVICES PTE LTD | 199409472N | Ang Mo Kio | 81211 | 1994 |
| AIK SAN CONSTRUCTION PTE LTD | 199405845C | Canberra | 41001 | 1994 |
| AIMFLOW PTE. LTD. | 200407800D | Canberra | 41009 | 2004 |
| ALSCO PTE. LTD. | 200009604R | Boon Lay | 81211 | 2000 |
| ANERGY BUILDING SERVICES PTE LTD | 199804163C | Dairy Farm | 81211 | 1998 |
| AO SERVICEPRO PTE. LTD. | 200403795M | Eunos | 81211 | 2004 |
| ARBOR SERVICES & TRADING PTE. LTD. | 201401153E | Hougang | 81300 | 2014 |
| ARCTIC V SERVICE PTE. LTD. | 200502557C | Eunos | 41009 | 2005 |
| AUTOMACH FACILITIES SERVICES PTE. LTD. | 198600889R | Eunos | 81211 | 1986 |
| AVM ENGINEERING PTE. LTD. | 201329941K | MacPherson | 43220 | 2013 |
| AVON CLEANING SERVICES PTE LTD | 200006766Z | Eunos | 81211 | 2000 |
| AZANTZ SERVICES PTE. LTD. | 201903500W | Hougang | 81291 | 2019 |
| BALUM PTE LTD | 198600368G | Eunos | 13921 | 1986 |
| BAN CHUAN TRADING & ENGINEERING PTE LTD | 199000185N | Farrer Park | 81211 | 1990 |
| BELTRAN CONTRACT SERVICES PTE LTD | 199601986Z | Eunos | 81211 | 1996 |
| BESTWAY CLEANING SERVICES PTE LTD | 199507423M | Dairy Farm | 81211 | 1995 |
| BMS ENVIRONMENTAL SERVICES PTE. LTD. | 200501269R | Buona Vista | 81211 | 2005 |
| BNL ENVIRONMENT PTE. LTD. | 200209026D | Bedok | 71124 | 2002 |
| BROSTEC SERVICES PTE. LTD. | 200305407E | Canberra | 81211 | 2003 |
| CALPEN CONTRACTORS PRIVATE LIMITED | 200303304E | Boon Lay | 41009 | 2003 |
| CAMPAIGN COMPLETE SOLUTIONS PTE. LTD. | 198600839M | Eunos | 81211 | 1986 |
| CCS SERVICES PTE. LTD. | 200105155R | Ang Mo Kio | 81211 | 2001 |
| CERTIS INTEGRATED FACILITIES MANAGEMENT PTE. LTD. | 199905805H | Eunos | 41009 | 1999 |
| CHEMICAL SUPPLIES CENTRE PTE LTD | 199503594C | Boon Lay | 20119 | 1995 |
| CHINA CONSTRUCTION (SOUTH PACIFIC) DEVELOPMENT CO. PTE. LTD. | 199201093N | Boat Quay | 41001 | 1992 |
| CHYE THIAM MAINTENANCE PTE LTD | 198801700E | Pasir Ris | 81211 | 1988 |
| CINDI CLASSIQUE PTE LTD | 198203292Z | MacPherson | 15122 | 1982 |
| CLEAN & CARE SOLUTIONS PTE. LTD. | 198201639E | Eunos | 81212 | 1982 |
| CLEAN SOLUTIONS PTE LTD | 198801833K | Alexandra | 81211 | 1988 |
| CLEANING TECHNOLOGY MANAGEMENT PTE LTD | 200101562H | Pasir Ris | 81211 | 2001 |
| CLEANMAGE PTE. LTD. | 200817706G | Admiralty | 81211 | 2008 |
| CRUSADE SERVICES PTE. LTD. | 199800460G | Balestier | 81211 | 1998 |
| CSP MAINTENANCE PTE LTD | 199400236K | Boon Lay | 81211 | 1994 |
| DAWYN INTERNATIONAL PTE LTD | 198804588N | Ang Mo Kio | 21022 | 1988 |
| DC CONTRACTORS PTE. LTD. | 199607904N | Boon Lay | 43909 | 1996 |
| DNATA SINGAPORE PTE. LTD. | 197702772D | Changi | 52234 | 1977 |
| ECLAT SERVICES PTE. LTD. | 201117977R | Dairy Farm | 81211 | 2011 |
| EDUCARE HUMAN CAPITAL PRIVATE LIMITED | 200414713D | Hougang | 78104 | 2004 |
| ELETEX ENGINEERING & TRADING PTE. LTD. | 197901538Z | Mandai | 41009 | 1979 |
| EMPIRE CLEANING & PEST CONTROL (S) PTE LTD | 199305582M | Eunos | 81291 | 1993 |
| ENG LENG CONTRACTORS PTE LTD | 199103080W | Mandai | 81211 | 1991 |
| ET LANDSCAPE & SERVICES PTE. LTD. | 201418910K | Boon Lay | 81300 | 2014 |
| EVERGREEN INTEGRATED SOLUTIONS PTE. LTD. | 199804541M | Ang Mo Kio | 81211 | 1998 |
| EXCEL SPECIALIST MATERIALS PTE LTD | 199501233W | Bedok | 81211 | 1995 |
| EXCELTEC INTEGRATED SERVICES PTE. LTD. | 199907178C | Boon Lay | 28300 | 1999 |
| EXTOL SERVICES PTE. LTD. | 200303546G | Dairy Farm | 81211 | 2003 |
| FACILITEC SERVICES PTE. LTD. | 200504828K | Ang Mo Kio | 71129 | 2005 |
| FIRST ASIACLEAN PTE. LTD. | 200401579H | MacPherson | 81211 | 2004 |
| FOURWAYS PTE. LTD. | 198800504D | MacPherson | 81211 | 1988 |
| FRISCO TECHNOLOGY & SERVICES PTE LTD | 198903171N | East Coast | 81211 | 1989 |
| G2W MOBILE CLEANING LLP | T06LL1050J | Dairy Farm | 81211 | 2006 |
| GIM TIAN LOGISTICS PTE. LTD. | 199400038D | Changi | 41001 | 1994 |
| GLADEN MAINTENANCE SERVICES (S) PTE LTD | 199604077R | Boon Lay | 81211 | 1996 |
| GOODMAN ENVIRONMENTAL PTE LTD | 199703042K | Canberra | 81211 | 1997 |
| GRD BUILDERS PTE. LTD. | 202113853M | MacPherson | 41001 | 2021 |
| GREEN ASIA HUB PTE. LTD. | 199608104N | Boon Lay | 38100 | 1996 |
| GREEN CARE SERVICES PTE. LTD. | 200201748C | Farrer Park | 81211 | 2002 |
| GREENGARDEN INTEGRATED SERVICES PTE. LTD. | 200509194R | Eunos | 81211 | 2005 |
| GREENHOME CONSTRUCTION PTE LTD | 199702311H | Eunos | 41001 | 1997 |
| GREENWAY MAINTENANCE SERVICES PTE LTD | 199605491K | Newton | 81211 | 1996 |
| GUAN HO CONSTRUCTION CO (PTE) LTD | 197200048W | Eunos | 41009 | 1972 |
| HELIAN SERVICES (PTE.) LTD. | 199902246N | MacPherson | 81212 | 1999 |
| HORTICULTURAL SERVICES PTE. LTD. | 200411751D | Jalan Kayu | 81300 | 2004 |
| HYDROBALL TECHNICS (SEA) PTE. LTD. | 200300791R | Eunos | 43299 | 2003 |
| IGM SERVICES PTE LTD | 199100601E | Eunos | 81211 | 1991 |
| INDUSTRIAL & COMMERCIAL FACILITIES MANAGEMENT PTE. LTD. | 200908617W | Beach Road | 81211 | 2009 |
| INSTIL SERVICES PTE LTD | 198404426G | Hougang | 81211 | 1984 |
| INTEGRATED PROPERTY MANAGEMENT PTE LTD | 198701304G | Orchard | 81211 | 1987 |
| INTERNATIONAL CLEANING AND BUILDING SERVICES PTE. LTD. | 200209485G | MacPherson | 81211 | 2002 |
| IPETMART PTE. LTD. | 199101078Z | Chinatown | 70201 | 1991 |
| IS CLEANING SERVICES PTE LTD | 199508537Z | Canberra | 81211 | 1995 |
| IS SERVISYSTEM PTE. LTD. | 200413062W | Admiralty | 81211 | 2004 |
| ISS FACILITY SERVICES PRIVATE LIMITED | 197200488G | Sentosa | 81211 | 1972 |
| ISS M&E PTE. LTD. | 199604587C | Sentosa | 41009 | 1996 |
| JARDINE ENGINEERING (SINGAPORE) PTE. LTD. | 199802859D | Boon Lay | 41001 | 1998 |
| JOIN AIRCON & ELECTRICAL ENGINEERING PTE LTD | 199407760K | Canberra | 43210 | 1994 |
| KAISEI SECURITY AGENCY PTE. LTD. | 198202414M | Ang Mo Kio | 80100 | 1982 |
| KIMS GENERAL CONTRACTOR PTE LTD | 199000402D | Ang Mo Kio | 81300 | 1990 |
| KLASSICAL SOLUTIONS PTE. LTD. | 199503360K | East Coast | 81211 | 1995 |
| KLEANWORKZ PTE. LTD. | 200512895M | Eunos | 81211 | 2005 |
| KLEENPLUS SERVICES PTE LTD | 199702937G | Ang Mo Kio | 81211 | 1997 |
| KOBE COOL ENGINEERING (S) PTE. LTD. | 199407372G | Boon Lay | 81211 | 1994 |
| LEGEND MAINTENANCE (S) PTE LTD | 198800637H | Jalan Kayu | 81211 | 1988 |
| LHW CONSTRUCTION PTE. LTD. | 201315518G | Canberra | 41009 | 2013 |
| LIBRA EQUIPMENT HOLDINGS PTE LTD | 197600564G | Alexandra | 30110 | 1976 |
| LS 2 SERVICES PTE LTD | 199307477M | Dairy Farm | 81211 | 1993 |
| MAINT-KLEEN PTE. LTD. | 200210284W | MacPherson | 81211 | 2002 |
| MASTER CLEAN FACILITY SERVICES PTE. LTD. | 200504103H | Boon Lay | 81211 | 2005 |
| MATALY (ASIA) PTE LTD | 198303045D | MacPherson | 46633 | 1983 |
| MAX-VALUE BUILDING SERVICES PTE. LTD. | 200400120M | Boon Lay | 81211 | 2004 |
| MOBILE 333 PTE LTD | 200009235G | Admiralty | 95302 | 2000 |
| NAFA SYSTEM SERVICES PTE LTD | 198802713G | Eunos | 81211 | 1988 |
| NOVONESIS SINGAPORE PTE. LTD. | 199406596H | Buona Vista | 46900 | 1994 |
| OCS GROUP (S) FACILITY SERVICES PTE. LTD. | 199704294C | Bedok | 81211 | 1997 |
| OFFICE MAINTENANCE ENTERPRISE PTE LTD | 199507866N | Ang Mo Kio | 81211 | 1995 |
| P&B ENV PTE. LTD. | 201731370M | Canberra | 81211 | 2017 |
| PEAK ENGINEERING & CONSULTANCY PTE. LTD. | 201133941D | Pasir Ris | 43210 | 2011 |
| PERPETUAL CONTRACTORS PRIVATE LIMITED | 197000469E | East Coast | 41009 | 1970 |
| POWER-VAC INDUSTRIAL SERVICES PTE. LTD. | 200202300C | Eunos | 28300 | 2002 |
| PPM ROBOTICS PTE. LTD. | 198102744K | Dairy Farm | 41001 | 1981 |
| PRIMECH A & P PTE. LTD. | 198801704H | MacPherson | 81211 | 1988 |
| PRO-PACK MATERIALS PTE LTD | 198404225G | Dairy Farm | 28300 | 1984 |
| PROPERTY FACILITY SERVICES PTE. LTD. | 200103330M | Eunos | 68203 | 2001 |
| QPA PTE LTD | 199707284W | Eunos | 41009 | 1997 |
| RAD-NEY PTE LTD | 199601791H | Mandai | 81211 | 1996 |
| RENMEKLEEN SERVICES PTE. LTD. | 200405072E | Chinatown | 81211 | 2004 |
| RICOOL ENGINEERING PTE LTD | 199905655D | Ang Mo Kio | 43210 | 1999 |
| RS FACILITIES SERVICES PRIVATE LIMITED | 201310593M | Balestier | 81211 | 2013 |
| SAN LIM TRANSPORT & CONSTRUCTION PTE LTD | 198802559N | Canberra | 81211 | 1988 |
| SEIKEI DEVELOPMENT PTE LTD | 198301586E | Newton | 41001 | 1983 |
| SERBEST TRADING ENTERPRISE PTE. LTD. | 200400563N | Farrer Park | 46900 | 2004 |
| SERGENT SERVICES PTE LTD | 199802333Z | Eunos | 81211 | 1998 |
| SHINERS FACILITIES PTE. LTD. | 200822978D | Alexandra | 81211 | 2008 |
| SINO HOLDINGS (S'PORE) PTE LTD | 198601210W | Eunos | 64202 | 1986 |
| SODEXO SINGAPORE PTE. LTD. | 198200257N | Eunos | 56200 | 1982 |
| SOON KIAT CONSTRUCTION & MAINTENANCE PTE LTD | 199603486Z | Eunos | 41009 | 1996 |
| SQ 1 DEVELOPMENT PTE LTD | 200104333C | MacPherson | 81211 | 2001 |
| STARGROUP EST. PTE. LTD. | 200203041R | Dairy Farm | 81211 | 2002 |
| STARLIGHT BUILDING MAINTENANCE SERVICES (S) PTE LTD | 198600227K | Eunos | 43301 | 1986 |
| STRAITS FACILITIES PRIVATE LIMITED | 198300338W | Alexandra | 80100 | 1983 |
| SUCCEDO MAINTENANCE AND SERVICES PTE LTD | 199604504G | Eunos | 81211 | 1996 |
| SUMMER POND & LANDSCAPING PTE. LTD. | 200307000D | Ang Mo Kio | 81300 | 2003 |
| SUN CITY MAINTENANCE PTE. LTD. | 199504133M | Alexandra | 81211 | 1995 |
| SUPERSONIC MAINTENANCE SERVICES PTE. LTD. | 198401352W | Dairy Farm | 81211 | 1984 |
| SURGE CLEANING SERVICES PTE. LTD. | 200517779W | Ang Mo Kio | 81211 | 2005 |
| SYSTEM CLEANING & SUPPLIES PTE. LTD. | 197602318K | Beach Road | 81300 | 1976 |
| TAR HONG PTE LTD | 199202627M | Hougang | 81300 | 1992 |
| TEACLY (S) PTE. LTD. | 198202210Z | Admiralty | 42909 | 1982 |
| THE PESTMAN, PTE LTD | 199901560C | Boat Quay | 81291 | 1999 |
| THENG LIANG LEE SERVICES PTE LTD | 199500685E | Boon Lay | 81211 | 1995 |
| TITAN FACILITIES MANAGEMENT PTE. LTD. | 200601076K | Mandai | 81211 | 2006 |
| TL MAINTENANCE SERVICES PTE. LTD. | 200516553C | Eunos | 81211 | 2005 |
| TMK SERVICES PTE. LTD. | 200617247H | Admiralty | 81211 | 2006 |
| TOH CHIN LEONG CONSTRUCTION PTE LTD | 200102867D | Ang Mo Kio | 81300 | 2001 |
| TOP CLEAN SYSTEM SERVICES PTE LTD | 199205071M | Ang Mo Kio | 81211 | 1992 |
| TOTAL CLEAN PTE LTD | 199102622N | Hougang | 95302 | 1991 |
| TOTAL JET SERVICES PTE LTD | 199606671K | Eunos | 41009 | 1996 |
| TRANSQUEST SUPPLIES & CO PTE LTD | 198901632N | Dairy Farm | 81211 | 1989 |
| TSM GROUP PTE. LTD. | 201505463K | Eunos | 25120 | 2015 |
| TUBMASTER REFINISHING PTE LTD | 199304122C | Admiralty | 41009 | 1993 |
| UEMS SOLUTIONS PTE. LTD. | 198803772H | MacPherson | 81211 | 1988 |
| VOLTA RESOURCE PTE. LTD. | 200722658K | Ang Mo Kio | 43909 | 2007 |
| WEISHEN INDUSTRIAL SERVICES PTE LTD | 199304095H | Dairy Farm | 81211 | 1993 |
| WORLD CLEAN FACILITY SERVICES PTE. LTD. | 200300039E | Boon Lay | 81211 | 2003 |
| YARGAY MCI PTE. LTD. | 198801810M | Hougang | 81211 | 1988 |
| ZACCO CLEANING & MAINTENANCE SERVICES PTE. LTD. | 199803358R | Alexandra | 81211 | 1998 |
| AEC BUILDER PTE. LTD. Not yet published | 201112649N | Hougang | 41001 | 2011 |
| ALLIED SYSTEM SERVICES PTE. LTD. Not yet published | 200823483E | Boon Lay | 81211 | 2008 |
| AMRISE SERVICES LLP Not yet published | T06LL0912H | Alexandra | 81211 | 2006 |
| ANGLE GLAZE PTE. LTD. Not yet published | 201001544G | Eunos | 81211 | 2010 |
| ARAS DEVELOPMENT PTE. LTD. Not yet published | 200904375D | Eunos | 81211 | 2009 |
| CHS E & C PTE. LTD. Not yet published | 200706939H | Hougang | 41009 | 2007 |
| CLEAN CITY (1995) PTE. LTD. Not yet published | 200822535C | Alexandra | 81211 | 2008 |
| CRESCENT GENERAL CONTRACTOR PTE. LTD. Not yet published | 200912000C | Eunos | 41009 | 2009 |
| DAY&NIGHT SERVICES PRIVATE LIMITED Not yet published | 201108011C | Eunos | 81211 | 2011 |
| EBEL PTE. LTD. Not yet published | 200821561Z | Canberra | 41001 | 2008 |
| FRESHSCAPE INTEGRATED MANAGEMENT PTE. LTD. Not yet published | 200502229C | Ang Mo Kio | 81300 | 2005 |
| GALAXY FACILITIES SERVICES PTE. LTD. Not yet published | 200402044Z | Newton | 81211 | 2004 |
| GREENGARDEN LANDSCAPE & GENERAL CONTRACTOR PTE. LTD. Not yet published | 200802552W | Eunos | 81300 | 2008 |
| HONG YE GROUP PTE. LTD. Not yet published | 201027359Z | Eunos | 78104 | 2010 |
| HORIZON MEDITECH PTE. LTD. Not yet published | 200918832R | Admiralty | 41001 | 2009 |
| HUTCHISON CLEANING PTE. LTD. Not yet published | 200602806N | Changi | 81211 | 2006 |
| I-LAB ENGINEERING PRIVATE LIMITED Not yet published | 200619529C | Eunos | 42100 | 2006 |
| KELLE SERVICES PTE. LTD. Not yet published | 200803508R | Eunos | 81211 | 2008 |
| M-FORCE ENGINEERING PTE. LTD. Not yet published | 200703627C | Boon Lay | 41009 | 2007 |
| MJM SERVICES PTE. LTD. Not yet published | 201008504K | Boon Lay | 81211 | 2010 |
| MULTITASK DEVELOPMENT PTE. LTD. Not yet published | 201011571K | Bedok | 81211 | 2010 |
| PERFECTION GENERAL SERVICES PTE. LTD. Not yet published | 200917507M | MacPherson | 81211 | 2009 |
| PRABA STORE PRIVATE LIMITED Not yet published | 201015154E | Farrer Park | 81211 | 2010 |
| PROSERV PEST PTE. LTD. Not yet published | 200823374H | Dairy Farm | 81291 | 2008 |
| RICH AIRE PTE. LTD. Not yet published | 200704646M | Eunos | 81211 | 2007 |
| SKY-BUILD SINGAPORE PTE. LTD. Not yet published | 200817323C | Boon Lay | 81300 | 2008 |
| SUK ENGINEERING & CONSTRUCTION PRIVATE LIMITED Not yet published | 201026013D | Eunos | 41001 | 2010 |
| TCC CLEANING & HOSPITALITY SERVICES PTE. LTD. Not yet published | 200510567Z | Eunos | 81211 | 2005 |
| UEMS PTE. LTD. Not yet published | 200509006H | MacPherson | 81211 | 2005 |
| VANKIN BUILDERS PTE. LTD. Not yet published | 201007048R | Eunos | 43301 | 2010 |
| WCS SERVICES PTE. LTD. Not yet published | 200817800R | Admiralty | 81211 | 2008 |
| WHITE GUARD SECURITY PTE. LTD. Not yet published | 200503242G | Canberra | 80100 | 2005 |