| 1 | WOCA | WORCESTER COUNTY AIR FREIGHT, INC | | | SCAC1 |
| 2 | WOCA | WORCESTER COUNTY AIR FREIGHT INC | | | SCAC4 |
| 3 | WOCG | WELCH OIL CO LLC | | | SCAC4 |
| 4 | WOCH | WESSELS OIL COMPANY INC | | | SCAC4 |
| 5 | WOCJ | WHITEHEAD OIL COMPANY | | | SCAC4 |
| 6 | WOCK | WOODBURY TRANSPORT LLC | | | SCAC4 |
| 7 | WOCL | WOOLDRIDGE OIL COMP INC | | | SCAC4 |
| 8 | WOCN | WALLACE OIL COMPANY INC | | | SCAC4 |
| 9 | WOCO | WONDER TRANSPORT COMPANY | | | SCAC4 |
| 10 | WOCP | WHEATLAND OIL COMPANY INC | | | SCAC4 |
| 11 | WOCQ | WEBB OIL COMPANY | | | SCAC4 |
| 12 | WOCR | WEST OIL COMPANY INC | | | SCAC4 |
| 13 | WOCS | WOODSHED, THE | | | SCAC4 |
| 14 | WOCT | WARNER OIL COMPANY INC | | | SCAC4 |
| 15 | WOCV | WOC TRUCKING LLC | | | SCAC4 |
| 16 | WOCX | Wadhams Oil Co. | 7/1935-4/1938 | | NAKINA |
| 17 | WOCX | Socony-Vacuum Oil Co., Inc., Chicago Division | 1/1941-4/1947 | | NAKINA |
| 18 | WOCX | Wadhams Oil Co. | Apr-38 | | NRHS |
| 19 | WOCX | SOCONY-VACUUM OIL CO. [WADHAMS OIL CO.] | | | PWRC |
| 20 | WOCX | Wadhams Oil Co. | | USA | TRAFFIC |
