| Acronym | Definition |
|---|
| SEIC➣Sakhalin Energy Investment Company (Russia) |
| SEIC➣Safety Education & Instruction Council (American Canoe Association) |
| SEIC➣Strategic Economic Investment and Commercialization (board) |
| SEIC➣Sakhalin Energy Investment Corporation (consortium) |
| SEIC➣Shipboard Environmental Information Clearinghouse |
| SEIC➣System Engineering and Integration Contractor |
| SEIC➣Self Employment Information Centre |