| Abbreviation | Definition |
|---|---|
| CPMU | Canons Park Equipment Management |
| CPMY | Coopersville and Marne Railway |
| CPOB | Capitol Tours, Inc. |
| CPOD | Capodice Truck Leasing |
| CPOG | Centerport, Inc. |
| CPOH | Computer Transport of Ohio, Inc. |
| CPOI | C A P Transport, Inc. |
| CPOJ | C A T Transportation, Inc. |
| CPOK | Container Products of Oklahoma |
| CPOL | Capitol Tile Import Company, Inc. |
| CPOM | Capitol Motor Service, Inc. |
| CPON | Centre Pointe Travel |
| CPOO | Container Pool, Inc. |
| CPOP | Cosmopolitan Travel Service |
| CPOQ | Camp Trucking Comnpany, Inc. |
| CPOR | Corporate Courier, Inc. |
| CPOV | Camden Port Service, Inc. |
| CPOX | Consumers Power |
| CPOX | Consumers Power Company |
| CPOY | Carter Transport |