Serving the Western U.S., Western Emulsions, an IAS Holdings Company, is a supplier of sustainable asphalt emulsion solutions for pavement preservation, repair and asphalt 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 California, Arizona, Oregon, Utah and Montana. Products and Customers Served Western Emulsions manufactures and supplies a full range of specialty and conventional 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.