| 1 | CUMA | COUTU, MARIA | | | SCAC4 |
| 2 | CUMB | US STEEL CORP. [CUMBERLAND MINING RR] | | | PWRC |
| 3 | CUMC | CUMBERLAND TRANSPORTATION CORP | | | SCAC3 |
| 4 | CUME | CUMMINGS LEASING INC | | | SCAC4 |
| 5 | CUMF | CUMMINS, D. A | | | SCAC3 |
| 6 | CUMF | CUMMINS TRANSPORTATION INC | | | SCAC4 |
| 7 | CUMG | CUMMINGS TRANSFER CO | | | SCAC3 |
| 8 | CUMH | CUSTOM MOBILE HOME TOWING | | | SCAC3 |
| 9 | CUMI | CUMMINS, DAVID ALLEN | | | SCAC3 |
| 10 | CUMJ | CUSTOM MAIL COURIER | | | SCAC3 |
| 11 | CUMK | CUMBIE, M C INC | | | SCAC3 |
| 12 | CUML | CUMBERLAND OHIO CO | | | SCAC3 |
| 13 | CUMM | CUMMINGS TRUCKING CO INC | | | SCAC3 |
| 14 | CUMN | CUMINS MACHINERY CORP | | | SCAC3 |
| 15 | CUMN | CUMINS MACHINERY CORP | | | SCAC4 |
| 16 | CUMO | CUSTOM MOVING & STORAGE INC | | | SCAC3 |
| 17 | CUMO | CUSTOM MOVING & STORAGE INC | | | SCAC4 |
| 18 | CUMP | CRUMPTON TRUCKING | | | SCAC3 |
| 19 | CUMP | CUSTOM METAL PRODUCTS INC | | | SCAC4 |
| 20 | CUMQ | CUMMINGS CARTAGE LTD | | | SCAC3 |
| 21 | CUMR | CARSON VALLEY MOVERS | | | SCAC3 |
| 22 | CUMS | CUMMINGS, RAY W | | | SCAC3 |
| 23 | CUMT | CUSTOM TRUCKING INC | | | SCAC4 |
| 24 | CUMV | CURRY MOVING & STORAGE | | | SCAC3 |
| 25 | CUMW | CUMMINGS, W W INC | | | SCAC3 |
| 26 | CUMX | Cuero Cotton Oil & Mfg. Co. | 7/1937 (not listed); 4/1947-7/1965; eliminated 1/1966 | | NAKINA |
| 27 | CUMX | Cuero Cotton Oil & Mfg. Co. | 1/52-7/65; eliminated 1/66 | | NRHS |
| 28 | CUMX | CUERO COTTON OIL & MFG. CO. | | | PWRC |
| 29 | CUMY | CURLEE TRUCKING INC | | | SCAC3 |
