| Acronym | Definition |
|---|
| SEPCO➣Solar Electric Power Company (Stuart, FL) |
| SEPCO➣Southwestern Energy Production Company (Arkansas) |
| SEPCO➣Southeastern Environmental Products, Inc (Madison, Mississippi) |
| SEPCO➣Savannah Electric and Power Company |
| SEPCO➣Sealing Equipment Products Company, Inc. |
| SEPCO➣Shell Exploration and Production Co. |
| SEPCO➣Sacramento Ethanol and Power Cogeneration Project |