Manufacturers Representatives to the Systems Integration Market. Specializing in Sales & Marketing Services to the Electronic, Security, Systems Integration & Low Voltage Electronics Industries. Founded in 2003, Thomasson Marketing Group is a Sales & Marketing Firm providing Manufacturers Representation and Consulting Services to Manufacturers while delivering Innovative Quality Products to the Low Voltage Electronics Industry in the (8) Pacific Western States of California, Oregon, Washington, Arizona, Nevada, Idaho, Alaska and Hawaii. Headquartered in Ontario, CA a suburb of Los Angeles, Thomasson Marketing Group also operates offices in Seattle, Sacramento and Las Vegas with (6) Regional Sales Managers and (1) Inside Sales Manager. Our most valued asset as an organization is our Employee Team. The individual professionals that comprise our team is what makes the difference! Our Team brings our clients a combined total of 130 years of experience!