| Acronym | Definition |
|---|
| PCSG➣Personal Computing Systems Group |
| PCSG➣Primary Care Society for Gastroenterology (UK) |
| PCSG➣Philatelic Computing Study Group |
| PCSG➣Private Client Services Group (various locations) |
| PCSG➣Perennial Cool-Season Grasses (agriculture; gardening) |
| PCSG➣Power and Control Systems Group (New York, NY) |
| PCSG➣Pacific Cellular System Group |