| APCS | Academics Plus Charter Schools
| Others |
| APCS | Academy of Psychological Clinical Science
| Others |
| APCS | Active Pendulation Control System
| Others |
| APCS | Active Pixel Color Sampling
| Others |
| APCS | Actively Pressurized Cooling System
| Others |
| APCS | Aden Protectorate Communication Squadron
| Others |
| APCS | Advanced Placement Computer Science
| Others |
| APCS | Advanced Power Control Solutions
| Others |
| APCS | Advanced Pre Collision System
| Others |
| APCS | Advanced Pre Crash System
| Others |
| APCS | Agricultural Pest Control Specialist
| Others |
| APCS | Air Photographic and Charting Service
| Others |
| APCS | Air Pollution Control System
| Others |
| APCS | Alamosa PCS
| Others |
| APCS | Amyloid P Component Serum
| Others |
| APCS | Asia Pacific Cities Summit
| Others |
| APCS | Asia Pacific Consulting Solutions
| Others |
| APCS | Association of Parks College Students
| Others |
| APCS | Australian Polish Central Services
| Others |
| APCS | Automated Project Control System (ARTEMIS)
| Others |
| APCS | Avoyelles Public Charter School
| Others |
| APCS | Power Clearing and Settlement
| Others |