Manufacturing and Distribution Facilities Click on a manufacturing location below for more information. United States | Canada | Mexico | Poland | China | United States Corona, CA – Hayden Automotive Disputana, VA – Engine Management Distribution Center Edwardsville, KS – Wire and Cable Distribution Center Grapevine, TX – Four Seasons Division Manufacturing Greenville, SC – SMP Fuel Injection Manufacturing Independence, KS – SMP Engine Management Manufacturing Irving, TX – Corporate Training Center Lewisville, TX – Four Seasons Division Corporate Offices and Distribution Center Long Island City, NY – Corporate Headquarters and Offices Mishawaka, IN – SMP Wire Manufacturing Orlando, FL – SMP Electronics Manufacturing Canada Mississauga, ONT – SMP Canada - Blue Streak/Hygrade, Offices and Distribution Center St. Thomas, ONT – Four Seasons Manufacturing – Unimotor Ltd Mexico TOP Reynosa – SMP Engine Management Manufacturing Reynosa – SMP Wire and Cable Manufacturing Reynosa– Four Seasons Manufacturing Poland Bialystok – SMP Engine Management Manufacturing China TOP Hong Kong – SMP Ltd. – Sales Offices and Electronics Manufacturing