1 | HWML | HAWTHORNE DE MEXICO S DE RL DE C V | | | SCAC4 |
2 | HWMT | HOWMET TRANSPORT SERVICES, INC | | | SCAC1 |
3 | HWMT | HOWMET TRANSPORT SERVICES INC | | | SCAC4 |
4 | HWMX | The H.W. Madison Co. | 7/1937-10/1957; eliminated 4/1961 | | NAKINA |
5 | HWMX | The H.W. Madison Co. | 4/38-10/57; eliminated 4/61 | | NRHS |
6 | HWMX | H. W. MADISON CO. | | | PWRC |