| ABELTEC INTERNATIONAL PTE LTD | 198801013H | Alexandra | 28171 | 1988 |
| ADVANCE AIR PTE. LTD. | 200414369N | Canberra | 43220 | 2004 |
| ADVANET PTE. LTD. | 200416671R | Canberra | 62021 | 2004 |
| AEGIS ENGINEERING PTE. LTD. | 201330578W | Pasir Ris | 43292 | 2013 |
| AIM CONTROLS PTE. LTD. | 200506709N | Eunos | 43292 | 2005 |
| ALC TECHNOLOGIES PTE LTD | 199201573C | Balestier | 62011 | 1992 |
| ARROWCREST TECHNOLOGIES PTE LTD | 199801344G | MacPherson | 95110 | 1998 |
| AZBIL SINGAPORE PTE. LTD. | 199801762H | Boat Quay | 26512 | 1998 |
| BMS ENGINEERING AND TRADING PTE. LTD. | 200618787H | Mandai | 43292 | 2006 |
| CA M&E ENGINEERING PTE. LTD. | 200501189G | Eunos | 43292 | 2005 |
| D-TECH CONTROLS PTE. LTD. | 199004117M | MacPherson | 43292 | 1990 |
| DEPENDABLE SOLUTIONS PARTNER PTE. LTD. | 200504640Z | Pasir Ris | 43210 | 2005 |
| DSL INTEGRATED SOLUTION PTE. LTD. | 201421352Z | Boon Lay | 43210 | 2014 |
| ECOXPLORE PTE. LTD. | 201104511H | Alexandra | 43292 | 2011 |
| EDMI COMMUNICATIONS PTE. LTD. | 199505712Z | Canberra | 43292 | 1995 |
| EFFICIENT SYSTEMS PTE LTD | 200003907N | Eunos | 43292 | 2000 |
| EMERSON ASIA PACIFIC PRIVATE LIMITED | 196500174M | Buona Vista | 32909 | 1965 |
| ENTRE' AUTOMATICS PTE. LTD. | 200500689D | Ang Mo Kio | 43292 | 2005 |
| ESCO PTE. LTD. | 198902778C | MacPherson | 47412 | 1989 |
| FLOTECH CONTROLS PTE LTD | 198204457H | Mandai | 26511 | 1982 |
| GEOREALTIME PTE. LTD. | 202111405Z | Eunos | 43909 | 2021 |
| GIB AUTOMATION PTE LTD | 199503788C | Eunos | 43292 | 1995 |
| HEXCEL SOLUTIONS PTE. LTD. | 200306063R | Boon Lay | 43292 | 2003 |
| HI-POINT ENGINEERING PTE LTD | 200100064C | Eunos | 43292 | 2001 |
| HO SENG ENGINEERING WORKS PTE LTD | 199406825M | Clementi Park | 43292 | 1994 |
| HOLLYSYS (ASIA PACIFIC) PTE. LTD. | 199707328Z | Bedok | 43292 | 1997 |
| IFOCUS PTE LTD | 199900553E | Boon Lay | 26209 | 1999 |
| IRC PTE LTD. | 197401104C | Bedok | 43292 | 1974 |
| KIAN WAI TECHNOLOGIES PTE. LTD. | 200413402Z | Canberra | 80100 | 2004 |
| L-QUBE PTE. LTD. | 201325890D | Dairy Farm | 43292 | 2013 |
| LINKWISE TECHNOLOGY PTE. LTD. | 200412530N | Ang Mo Kio | 26513 | 2004 |
| MACRO-INTEGRATION PTE. LTD. | 200203457M | Ang Mo Kio | 71122 | 2002 |
| MECHFIRE ENGINEERING & CONSTRUCTION PTE. LTD. | 199706924G | Eunos | 43210 | 1997 |
| MIMOSA TECHNOLOGY PTE. LTD. | 200408769Z | Farrer Park | 43292 | 2004 |
| MINERVA INDUSTRIAL & TRADING PTE. LTD. | 198801303Z | Eunos | 43292 | 1988 |
| MINS CONTROL SYSTEMS SOLUTION PTE. LTD. | 200503821W | Dairy Farm | 43292 | 2005 |
| MRI SOFTWARE SINGAPORE PTE. LTD. | 200602329Z | Buona Vista | 63909 | 2006 |
| NEXTAN PTE. LTD. | 200310790D | Buona Vista | 43292 | 2003 |
| OTTO SOLUTIONS PTE. LTD. | 199204172C | Eunos | 43210 | 1992 |
| PRIMUSTECH PTE. LTD. | 200001501W | Eunos | 43292 | 2000 |
| QUANTUM AUTOMATION PTE LTD | 197903671C | Canberra | 43292 | 1979 |
| QUICKSTART TECHNOLOGY PTE. LTD. | 200502115K | Boon Lay | 43210 | 2005 |
| RAPID EFFECT PTE LTD | 200103484N | MacPherson | 43292 | 2001 |
| ROBERT BOSCH SECURITY SOLUTIONS PTE. LTD. | 198601884W | Ang Mo Kio | 43292 | 1986 |
| SAUTER SINGAPORE PTE LTD | 200103529G | Eunos | 43292 | 2001 |
| SECUREVISION PTE. LTD. | 200614644E | Eunos | 43210 | 2006 |
| SENSINGTECH PTE. LTD. | 201826841E | Eunos | 43121 | 2018 |
| SGLAB PTE. LTD. | 201508995M | Buona Vista | 43292 | 2015 |
| SHECEY (SINGAPORE) PTE LTD | 199803737W | Dairy Farm | 43292 | 1998 |
| SKB ELECTRICAL ENGINEERING PTE. LTD. | 201002925G | Canberra | 43210 | 2010 |
| SOLO PTE. LTD. | 201013506H | Boon Lay | 62011 | 2010 |
| TESTCONSULT (SINGAPORE) PTE LIMITED | 199004763Z | Boon Lay | 43121 | 1990 |
| TIMOTHY COMSLINK SYSTEMS PTE. LTD. | 200202287E | Ang Mo Kio | 43292 | 2002 |
| UNI-TEC ENGINEERING PTE LTD | 198100055Z | Eunos | 43210 | 1981 |
| VHF TECHNOLOGIES PTE LTD | 199306950G | Eunos | 62021 | 1993 |
| VIBRO TECHNOLOGIES & ENGINEERING PTE LTD | 198203601M | Eunos | 43292 | 1982 |
| VIBTECH GENESIS PTE. LTD. | 200505139H | Eunos | 71122 | 2005 |
| WEI LONG ELECTRONICS ENGINEERING PTE LTD | 199803175Z | Eunos | 26511 | 1998 |
| WILLOWGLEN SERVICES PTE LTD | 198602842C | Hougang | 62023 | 1986 |
| WINSYS TECHNOLOGY PTE LTD | 199800616W | Boon Lay | 43292 | 1998 |
| WISE AIRE PTE LTD | 200003872N | Eunos | 43220 | 2000 |
| WSA SOLUTIONS PTE. LTD. | 200603408N | Eunos | 43210 | 2006 |
| X-TRA COMMUNICATION PTE. LTD. | 200307891E | Bedok | 43292 | 2003 |
| ZECTECH PTE. LTD. | 200606131C | Hougang | 43292 | 2006 |
| ZH TECHNOLOGIES INTERNATIONAL PTE. LTD. | 201635252R | Alexandra | 71129 | 2016 |
| ZONE SECURITY ENGINEERING PTE. LTD. | 200306257R | Eunos | 43292 | 2003 |
| ADL CONTROL (S) PTE. LTD. Not yet published | 200911268W | Admiralty | 43292 | 2009 |
| AUTOMATED LAB PTE. LTD. Not yet published | 200922236M | Eunos | 43292 | 2009 |
| BENCONTROL TECHNOLOGIES PTE. LTD. Not yet published | 201000095M | Dairy Farm | 43292 | 2010 |
| BIO-COGNITIVE SOLUTIONS PTE. LTD. Not yet published | 200807513Z | Ang Mo Kio | 41001 | 2008 |
| CAL4CARE PTE. LTD. Not yet published | 200812932H | Hougang | 62021 | 2008 |
| GMM TECHNOWORLD PTE. LTD. Not yet published | 201103748R | Eunos | 43292 | 2011 |
| IMPEL TECHNOLOGIES PTE. LTD. Not yet published | 200706613N | Buona Vista | 71121 | 2007 |
| LV AUTOMATION PTE. LTD. Not yet published | 201003095C | Eunos | 41009 | 2010 |
| MEASUREMENT & VERIFICATION PTE. LTD. Not yet published | 200916469Z | Boon Lay | 43292 | 2009 |
| NSI GENERATION PTE. LTD. Not yet published | 200404276C | Eunos | 43292 | 2004 |
| ROVISYS ASIA COMPANY PTE. LTD. Not yet published | 200818152R | Boat Quay | 62090 | 2008 |
| SAVMOR ENGINEERING PTE. LTD. Not yet published | 201106577D | Eunos | 43292 | 2011 |
| TERADYNE (ASIA) PTE. LTD. Not yet published | 200311819K | Boat Quay | 46592 | 2003 |
| TGM GLOBAL PTE. LTD. Not yet published | 201101967G | Eunos | 43292 | 2011 |
| VENTIONEX INTERNATIONAL PTE. LTD. Not yet published | 200907964R | Boon Lay | 43292 | 2009 |
| VICTOES PTE. LTD. Not yet published | 200802353Z | Alexandra | 43292 | 2008 |
| WISH CONTROLS PTE. LTD. Not yet published | 201111083R | Canberra | 43292 | 2011 |