| Abbreviation | Definition |
|---|---|
| PGL | Pure Giftcarat Ltd |
| PGMC | Pacific Galleon Mining Corporation |
| PGMC | Platinum Group Metals Corporation |
| PGO | Precision Glass & Optics |
| PGOC | Philadelphia Grand Opera Company |
| PGP | Pecan Grove Plantation |
| PGRI | Pacific Group Resorts Inc |
| PGS | Petroleum Geo- Services |
| PGS | Professional Grading Service, Inc. - Card Grading Service |
| PGS | Program Global Systems Inc |
| PGSC | PAR Government Systems Corporation |
| PGSC | Proctor & Graves Service Company |
| PGSOC | Persian Gulf Star Oil Company |
| PGT | P G & E Gas Transmission Company |
| PGT | Pan Gulf Technology |
| PGT | Planned Giving Today |
| PGT | Princeton Gamma- Tech |
| PGV | Puna Geothermal Venture |
| PGW | Philadelphia Gas Works |
| PGW | Publishers Group West |