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    RPA is an industry leading full-service engineering firm with extensive experience in civil engineering, planning, and surveying.


    As a 100% employee-owned company, we take pride in our excellent benefits, family-oriented atmosphere, and flexibility.

    45 Years in Business

    45 Years in Business

    Since 1978, RPA has provided innovative solutions tailored to fit our client's needs.

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    Engineering Excellence

    Engineering Excellence

    RPA is a nationally recognized, award-winning Civil Engineering firm.

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    Experts in Civil Engineering & Surveying

    Experts in Our Field

    From highways to wastewater, RPA has the expert knowledge to complete any project.

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    Start the Next Chapter in Your Career With Us

    Your Career With Us

    We are a dynamic civil engineering and surveying firm with locations in three beautiful Montana cities.

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    Our Clients have a vision and it is our mission to make it happen.

    "The Commissioners have had the opportunity, throughout the years, to work with a number of engineering firms. In the selection of engineering services, we look for expertise, public communication skills, availability, and financial understanding. RPA met and exceeded our expectations in each of these areas.”
    Sanders County, MT

    Office Locations

    Helena, MT

    3147 Saddle Drive
    Helena, Montana 59601
    Phone: 406-447-5000

    Kalispell, MT

    102 Cooperative Way,
    Suite 300
    Kalispell, Montana 59903
    Phone: 406-752-5025

    Bozeman, MT

    602 S. Ferguson Avenue, Suite 5
    Bozeman, Montana 59718
    Phone: 406-284-2110