| SEEC | Saturna Ecological Education Centre 
| Others |
| SEEC | Scarborough Estuarine Ecosystem Curriculum
| Others |
| SEEC | Semantic E-business and Enterprise Computing
| Others |
| SEEC | Senate Educational Equity Committee
| Others |
| SEEC | Shihlin Electric and Engineering Corporation
| Others |
| SEEC | Shopssubmitter Education Of Electronic Commerce
| Others |
| SEEC | Skagit Environmental Endowment Commission
| Others |
| SEEC | South East England Councils
| Others |
| SEEC | South East Essex College
| Others |
| SEEC | Southeast Environmental Education Committee
| Others |
| SEEC | Spanish Society for Classical Studies
| Others |
| SEEC | Special Education Early Childhood
| Others |
| SEEC | State Environmental Education Coalition
| Others |
| SEEC | Statewide Environmental Education Coalition
| Others |
| SEEC | Stock Exchange Executive Council
| Others |
| SEEC | Strengthen Encourage Equip And Comfort
| Others |
| SEEC | Student Environmental Education Coordinator
| Others |
| SEEC | Student Environmental Education Coordinators
| Others |
| SEEC | Students Entrepreneurs And E Commerce
| Others |
| SEEC | Subaru Exhaust Emission Control
| Others |