| AiChat | |
| AiDA Technologies Pte Ltd | Singapore |
| AIDE Technologies Pte Ltd | Singapore |
| Aiden Creative Pte Ltd | |
| Aii Develop Pte Ltd | |
| AIM Biotech Pte Ltd | |
| Airalo | |
| Airboxr | |
| AirCarbon Exchange | Singapore |
| Airgram | Singapore |
| AirHost Pte Ltd | Singapore |
| AIRmaker | Singapore |
| Aitway System LLP | Singapore |
| Akai Sales Pte Ltd | Singapore |
| Akyweb.com | Singapore |
| Albatroz Therapeutics Pte Ltd | |
| Alesca Life Technologies Ltd | |
| Aleta Planet | Singapore |
| Algorand Foundation Ltd | |
| Alice Labs Pte Ltd | Singapore |
| Aligned Business | Singapore |
| Alliance Synergy Pte Ltd | Singapore |
| Allied Telesis Asia Pacific Pte Ltd | Singapore |
| Allozymes | |
| Alore Pte Ltd | Singapore |
| Alpeh Pte Ltd | |
| Alpha Web | Singapore |
| Alpha Zetta Pte Ltd | Singapore |
| AlpSoft Technologies | Singapore |
| ALR Technologies, Inc. | Singapore |
| Alstron (Singapore) Pte Ltd | Singapore |
| Altairika LLC Pte Ltd | Singapore |
| Altitude Games Pte Ltd | Singapore |
| Amaris.AI | Singapore |
| Amazing Web Services Pte Ltd | |
| Amber Creative Pte Ltd | |
| Amber Global Ltd | Singapore |
| AMBIENT (33 Technologies Pte Ltd) | Singapore |
| Ambient Systems | Singapore |
| AMG Concept Pte Ltd | Singapore |
| AMP | |
| Amperesand Pte Ltd | |
| Amplify Health Asia Pte Ltd | |
| Amplus Communication Pte Ltd | Singapore |
| Analyse Asia | Singapore |
| Anchanto | |
| Anchanto Pte Ltd | Singapore |
| Anewtech Systems Pte Ltd | Singapore |
| Angaros Pte Ltd | Singapore |
| Angelcentral Pte Ltd | Singapore |