~ SERVICE ~

Cummins Rocky Mountain LLC
Billings
406.245.4194
800.332.7788

Interstate Detroit Diesel Inc
Billings
406.252.4191
800.823.4334

Cummins Northwest Inc
Missoula
406.728.1300
800.937.0336

Interstate Detroit Diesel Inc
Missoula
406.728.7600
800.735.6336


~ PLACES TO STAY ~