| 1972 |
Morrison Knudsen purchases facility in Boise, ID and establishes the Rail Systems Group. |
| 1994 |
MK Rail Corporation established as a subsidiary of Morrison Knudsen. |
| 1993-1996 |
MK Rail acquires various locomotive component supply companies (Motor Coils Manufacturing, Touchstone, Power Parts Company, Arrowsmith, Power Systems, Clark Industries, TMS). |
| 1996 |
MK Rail separates from Morrison Knudsen and incorporates as MotivePower Industries Corporation and names the locomotive manufacturing group Boise Locomotive Company as a subsidiary. |
| 1996-1999 |
MotivePower Industries acquires additional locomotive supply companies (Jomar, Microphor, Q-Tron Ltd., G&G Locotronics). |
| 1999 |
MotivePower Industries merges with Westinghouse Air Brake Company and is called Westinghouse Air Brake Technologies Corporation (WABTEC). Boise Locomotive Company's name is changed to MotivePower, Inc. |
