Stop in and see our new Sidney location at 1931 West Holly St. Now open to better serve our customers!

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Welcome to MaCon Supply Inc. Serving the Construction Industry in Montana, Wyoming, Eastern Washington, Northern Idaho, Western North Dakota

Don't Miss Our Open House

We will have events with free lunch from 11:00 to 2:00, prizes and vendor booths, even product demonstrations.

The schedule is as follows:
  • Great Falls April 17th
  • Helena April 18th
  • Billings April 19th
See you there!

MaCon Supply has been providing quality products for the construction industry for over 40 years, with locations in Billings, Bozeman, Helena, Great Falls, Missoula, Kalispell, Sidney, and Spokane, WA. We have over 70,000 items available as special order in addition to the large inventory kept in stock for immediate pickup or delivery.

  • Concrete accessories
  • Concrete chemicals
  • Concrete forming systems
  • Commercial roofing products
  • Construction products
  • Polyfilm and fabric
  • Tools and accessories
  • Rental items
  • Geotextile fabrics
  • Rebar
In addition, Macon Supply is your local Hilti Tool Authorized Dealer. We provide pickup and delivery service.
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