1 | IMWX | Missouri Valley Walnut Co. | added 7/1976; 1/1980; eliminated 1/1982 | | NAKINA |
2 | IMWX | Transportation Management, Inc. | 1/1975; added 4/1975; eliminated 7/1976 | | NAKINA |
3 | IMWX | Transportation Management, Inc. | 1/75; added 4/75 | | NRHS |
4 | IMWX | Missouri Valley Walnut Co. | 1/80; eliminated 1/82 | | NRHS |
5 | IMWX | *TRANSPORTATION MANAGEMENT, INC. | | | PWRC |
6 | IMWX | *MISSOURI VALLEY WALNUT CO. | | | PWRC |