About Us

Serving the Western U.S., Western Emulsions is a supplier of sustainable asphalt emulsion solutions for pavement preservation, repair and recycling. Our Company is founded on the commitment to provide high-quality products, constant innovation and expert service to our customers. Western Emulsions operates emulsions manufacturing and asphalt terminal facilities located in Irwindale, CA, Coolidge, AZ; Tucson, AZ; White City, OR; Billings, MT and Salt Lake City, UT. Western Emulsions is a wholly owned subsidiary company of Idaho Asphalt Supply with business offices located in Idaho Falls, ID.

Products and Customers Served

Western Emulsions manufactures and supplies a full range of branded and standard asphalt emulsions, and provides technical assistance and other value-added services to a wide range of public agencies and private companies.  Our team invented the PASS line of high-performance engineered emulsions and the FastSet fog and tack coat products, and we are committed to innovating new emulsion solutions to better serve our customers.

Our high-performance emulsions are specified by local agencies, state transportation departments, airports, military installations, Native American reservations, and federal agencies throughout the U.S. and internationally.