| Acronym | Definition |
|---|
| SEMCO➣Samsung Electro-Mechanics Co., Ltd. |
| SEMCO➣South and East Mediterranean College of Oncology (International Committee for Establishment and Development of Oncology Centers) |
| SEMCO➣Southeastern Michigan Computer Organization, Inc. |
| SEMCO➣Systems Engineering and Management Company |
| SEMCO➣Salisbury Engineering Manufacturing Company (Missouri) |