| Abbreviation | Definition |
|---|---|
| GMFSC | Gasha Micro Financing Share Company |
| GMG | Glades Media Group |
| GMG | Global Management Group |
| GMG | Guardian Media Group |
| GMH | General Motors Holden |
| GMH | General Motors-Holden |
| GMI | Gareth Morgan Investments |
| GMI | Gavadima Music, Inc. |
| GMI | General Mills Inc |
| GMI | Global Marketing Incorporated |
| GMIL | Goodman Medical Ireland Ltd |
| GMIT | Grey Matter India Technologies Pvt., Ltd. |
| GML | GAC Marine Logistics |
| GML | Gindalbie Metals Ltd |
| GMM | Gold Medal Models |
| GMMD | GM Media-Design |
| GMNA | General Motors North America |
| GMNA | Greater Manchester Neurological Alliance |
| GMP | Georgia Marketing and Promotions |
| GMP | Georgia Marketing Promotions |