Southwest Products brings decades of experience manufacturing and designing custom service vehicles, industrial tanks, and power generation solutions for customers across the world. In addition to the company's manufacturing capabilities, Southwest Products is a leading distributor of new and remanufactured gas and diesel engines. SWP is headquartered in Ridgefield, Washington, with a state-of-the-art manufacturing facility in Surprise, Arizona and sales and service locations in California, Oklahoma, and Washington.