MSI National is a full-service manufacturer’s representative, serving the following markets in the Southwest (California, Nevada, Arizona, and Hawaii), the Pacific Northwest (Washington, Oregon, and Alaska), and the Mountain States (Colorado, New Mexico, Utah, Idaho, Montana, and Wyoming).

• Industrial (Automotive, Truck & RV)
• Industrial (Hose & Specialty)
• Industrial (PVF)
• Irrigation (Agriculture)
• Plumbing (Commercial-Mechanical)
• Fire Protection & Waterworks

Mainline Sales operates six distribution centers strategically located in Anaheim, San Diego, Hayward (The Bay), Sacramento, Las Vegas, and Phoenix which are supported by a seasoned staff of professionals that are dedicated to satisfying the value chain (specifiers, facilities, contractors, municipalities and distributors) from the initial specification through the final shipment, and aftermarket service of installed product.

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.