Founded in 1958, Southwest Products brings decades of experience engineering and manufacturing custom fuel and lube equipment ... , service vehicles, pumps and power generation solutions for customers around the world. In addition to the company’s manufacturing capabilities, Southwest Products is a leading distributor of new and remanufactured industrial diesel engines. SWP is headquartered in Surprise, Arizona, with a state-of-the-art manufacturing facility and sales/service locations in Arizona, California and Texas. read more