| APGA | Academic Program for Gifted Athletes 
| Others |
| APGA | Advocates Professional Golf Association
| Others |
| APGA | AISSMS Pharma Graduates Association
| Others |
| APGA | Alabama Propane Gas Association
| Others |
| APGA | Alaska Peony Growers Association
| Others |
| APGA | All Progressive Grand Alliance
| Others |
| APGA | All Progressives Grand Alliance
| Others |
| APGA | Almost Professional Golf Association
| Others |
| APGA | American Personnel and Guidance Association
| Others |
| APGA | American Public Garden Association
| Others |
| APGA | American Public Gardens Association
| Others |
| APGA | American Public Gas Association
| Others |
| APGA | Arizona Propane Gas Association
| Others |
| APGA | Association of Princeton Graduate Alumni
| Others |
| APGA | Australian Pipelines and Gas Association
| Others |