Supreme Engineered Products Inc. Corporate Office        Office # 8616 Commerce Ave     (858) 444-2790 San Diego, CA 92121    Fax #                                 (858) 444-2797 Manufacturing Plant   Office # Ontario, CA 91761        (909) 930-2424                                 Fax #                                 (909) 930-2423 E-Mail: Raquel@supremeeng.com   Supreme Engineered Products is dedicated to providing excellent customer service and be a premier provider of products in the construction industry. Founded in 1990 by Alejandro Juarez, Supreme has been serving the Southern California region and is a leader in incorporating the complete customer experience. With two distribution plants in San Diego and Ontario, Supreme is able to target a wide range of customer requests.