| 1 | HFW | Wiebe Gleisbau GmbH | | DE | VKM |
| 2 | HFWA | HOWE FREIGHTWAYS INC | | | SCAC4 |
| 3 | HFWB | HERITAGE FREIGHT WAREHOUSING & LOGI | | | SCAC4 |
| 4 | HFWH | HARTSFIELD WAREHOUSE CO INC | | | SCAC4 |
| 5 | HFWL | HODGSON FREIGHTWAYS LTD | | | SCAC4 |
| 6 | HFWX | The Ruberoid Co. | 7/1935-1/1941; 1/1943 (not listed) | | NAKINA |
| 7 | HFWX | The Ruberoid Co. | Apr-38 | | NRHS |
| 8 | HFWX | RUBEROID CO. | | | PWRC |
