Voting Members
- Bill Lloyd — American Council of Engineering Companies of Montana
- Jason Rittal — Fallon County
- Eric Bryson — Montana Association of Counties
- Shelby DeMars — Montana Association of Oil, Gas, & Coal Counties
- Charles Robison —Montana Chamber of Commerce
- David Smith — Montana Contractors Association
- Brian Obert — Montana Economic Developers Association
- Kelly Lynch — Montana League of Cities & Towns
- Shane Gorder — Richland County
- Brett Doney — Great Falls Development Authority
- American Institute of Architects
- American Society of Civil Engineers – Montana Section
- Butte-Silver Bow
- City of Belgrade
- City of Billings
- City of Bozeman
- City of Glendive
- City of Helena
- City of Kalispell
- City of Sidney
- Great West Engineering
- Missoula County
- Montana Regional Development Working Group
Associate Members
- Amaresco
- Ash Grove Cement Company
- Bear Paw Development
- Big Sky Chamber of Commerce
- Big Sky Economic Development Corporation
- Big Sky Resort Area District
- Billings Chamber of Commerce
- Bozeman Area Chamber of Commerce
- City of Baker
- City of Colstrip
- City of Great Falls, City Manager
- City of Laurel
- City of Livingston
- City of Missoula (CAO)
- City of Shelby
- City of Wolf Point (Mayor)
- Cloud Peak Energy
- COP Construction
- Cushing Terrell / CTA Architects
- Custer County
- Dawson County
- DOWL Engineering
- Eastern Plains Ecomomic Development Corp
- Gallatin County
- HDR
- Highway 2 Association
- Interstate Engineering
- Kalispell Chamber of Commerce
- Kalispell Regional Health
- KLJ
- McKinstrey
- MDU Resources
- Missoula Chamber of Commerce
- Missoula Economic Partnership
- Montana AFL-CIO
- Montana Association of REALTORS®
- Montana Bankers Association
- Montana Business Assistance Connection
- Montana Credit Union Network
- Montana Equipment Dealers Association (Retailers?)
- Montana Farm Bureau
- Montana Housing Coalition (Coalition for Housing & Infrastructure)
- Montana Lodging and Hospitality Association
- Montana Motor Carriers Association
- Montana Petroleum Association
- MT Petroleum Marketers & Convenience Store Association
- Montana Telecommunications Association
- Montana West Economic Development
- Morrison Maierle
- NorthWestern Energy
- Peaks to Plains Architecture
- Ports to Plains
- Robert Peccia and Associates
- Sanderson Stewart
- Sletten Construction
- Snowy Mountain Development Corp
- Southeastern Montana Development Corporation
- Stahly Engineers and Associates
- STIFEL
- Sweetgrass Development
- Tarlow and Stonecipher, PLLC (construction attorney)
- TD&H
- Treasure State Resource Association
- WGM Group
- Williams Civil Construction
- Montana Taxpayers Association