Interwest Safety Supply

Founded in 1977, Interwest manufactures highway construction and roadway signs and distributes a wide variety of traffic safety supplies and equipment used to signal, protect, delineate, notify, and guide pedestrians and vehicles safely through work zones.

Headquartered in Provo, Utah, Interwest Safety Supply is the largest distributor of traffic safety supplies, as well as the largest manufacturer of roadway signage in the Rocky Mountain region.