Montana WC Rate Information

Updated annually, the State of Montana publishes rates for wage loss, impairment calculations, Average Weekly Wage and COLA.

This page displays State of Montana publications*. 

*Publications, case law and other workers' compensation information is available on the State's website at https://erd.dli.mt.gov/ 

The above postings are created and the sole responsibility of the State of Montana - Department of Labor and Industry - Employment Relations Division.

PLEASE CONTACT Michael Marsh BY E-MAIL OR TELEPHONE FOR MORE INFORMATION ABOUT HOW THE LAWS ARE BEST ADMINISTERED IN THE CLAIMS PROCESS IN MONTANA .

Midland Claims Service, Inc., having been in operation in Montana since 1946, understands that success of the company is driven by the success of its people. We are fortunate to have developed decades long relationships with the majority of our staff. .

If you are interested in working with the local experts in workers' compensation in Montana, an award winning Independent Adjusting / Third Party Administration company, please contact us

By Mail:

Midland Claims Service, Inc. / Wrenwell Claims fka Industrial Injury Claims®

P. O. Box 20151

Billings, MT 59104-0151


Street Address:

Midland Claims Service, Inc.

1304 16th Street West

Billings, MT 59102

Telephone: (406) 656-9960  Facsimile: (406) 656-9983

E-Mail: Michael J. Marsh, RPA, CPIA, CIA, CIU