SEIC
| 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 |