1 | HMPX | Halstead Metal Products, Inc. | added 1/1966; 10/1966; eliminated 7/1969 | | NAKINA |
2 | HMPX | National Car Co. | 1/1945-4/1947 | | NAKINA |
3 | HMPX | Halstead Metal Products, Inc. | added 1/66; 10/66; eliminated 7/69 | | NRHS |
4 | HMPX | *NATIONAL CAR CO. | | | PWRC |
5 | HMPX | *HALSTEAD METAL PRODUCTS, INC. | | | PWRC |