 |
Semo
| Port Railroad Incorporated
| SEMO | |
| abbr. | Societe Belgo-Francaise d'Energie Nucleaire Mosane |
| abbr. avia. | system engineering management organization |
| abbr. el. | system engineering and management operations |
| abbr. med. | Serveur D'Expertise Multicentrique En Ophtalmologie |
| Port Railroads Incorporated | |
| railw. abbr. | PRI |