| Abbreviation | Definition |
|---|---|
| AGSC | Auto Glass Safety Council |
| AGSC | Azerbaijan Gas Supply Company |
| AGSD | Avant Garde de Saint Denis |
| AGSE | American Graduate School of Education |
| AGSE | Applied Geoinformatics for Society and Environment |
| AGSE | Association des Guides et Scouts d'Europe |
| AGSG | Agenzia Generale Studi e Gestioni |
| AGSG | Agribusiness GS1 Standards Group |
| AGSI | Advanced Gaming Systems Inc |
| AGSI | Advanced Government Solutions Inc |
| AGSI | Advantec Global Services Inc |
| AGSI | Aggregated Gas Storage Inventory |
| AGSI | Association for Global Strategic Information |
| AGSI | Association of Garda Sergeants and Inspectors |
| AGSI | Associazione giovani somali d'Italia |
| AGSM | American Gold Star Mothers |
| AGSM | Anti G Straining Maneuver |
| AGSM | Anti G Straining Maneuvers |
| AGSM | Art Gallery of Southwestern Manitoba |
| AGSMP | Algebraic Geometry Seminar Martha Precup |