Mainline Sales, Inc. has nearly forty years’ experience as a professional manufacturers’ representative firm covering Califor ... nia, Arizona, Nevada, and Hawaii. We are proud to employ a very “purposeful” linecard philosophy allowing us to give our manufacturer partners the “real” time they deserve. We understand what it takes to be a premier manufacturers’ representative firm and how best to support our manufacturers through excellent field sales coverage; comprehensive customer service teams; strong regional sales management; and dedicated specification, builder, contractor and project management associates. As a Manufacturer’s Representative, Mainline Sales operates six distribution centers strategically located in Anaheim, San Diego, Phoenix, Las Vegas, Sacramento, and Hayward (The Bay), which are supported by a seasoned staff of professionals that are dedicated to satisfying the value chain (specifiers, builders, contractors, municipalities and distributors) from the initial specification through the final shipment, and aftermarket service of installed product. We match our sales processes to the manufacturers’ specific requirements and product applications to produce superior results. We believe in delivering superior results for the manufacturers we have the honor of representing, by supporting our strategic relationships with the best people, systems and analytics. Mainline Sales is a full-service, manufacturer’s representative, serving the following markets in California, Arizona, Nevada, and Hawaii. • Plumbing (Residential & Commercial) • Mechanical • Fire Protection • Industrial • Irrigation • Waterworks (Water & Sewer) read more