| 1 | UPP | Union Pacific R.R. Co. (passenger cars) | 1/1994-7/2005 | | NAKINA |
| 2 | UPP | Union Pacific R.R. Co. (passenger cars) | 1/94-7/2000 | | NRHS |
| 3 | UPP | UNION PACIFIC RAILROAD (PASSENGER CARS) | | | PWRC |
| 4 | UPP | Union Pacific Railroad | | | RSRV |
| 5 | UPPE | UPPER CANADA FOREST PRODUCTS LTD | | | SCAC4 |
| 6 | UPPN | U. P. SPECIAL DELIVERY, INC | | | SCAC1 |
| 7 | UPPN | U S SPECIAL DELIVERY INC | | | SCAC4 |
| 8 | UPPS | Uppsala Bus AB | | S | TRAFFIC |
| 9 | UPPT | ULTRA POWER P T CORP | | | SCAC4 |
| 10 | UPPX | United Producers Pipe Line Co. (Transcontinental Oil Co.) | 7/1930 | | NAKINA |
| 11 | UPPX | TRANSCONTINENTAL OIL CO. [UNITED PRODUCERS PIPE LINE CO.] | | | PWRC |
