| SEAI | Science and Education Alliance, Inc. 
| Others |
| SEAI | Science and Engineering Alliance, Inc.
| Others |
| SEAI | Seafood Exporters Association of India
| Others |
| SEAI | Solutions Engineering Account Interface
| Others |
| SEAI | Spatial Econometrics Advanced Institute
| Others |
| SEAI | Structural Engineers Association of Idaho
| Others |
| SEAI | Superior Engineering Associates, Inc.
| Others |
| SEAI | Sustainable Energy Authority of Ireland
| Others |
| SEAI | Syndicat des Experts en Automobile Independants
| Others |