Company Profiles Barclay MacDonald Company Inc. Specializes in industrial automotive products. Spinner II, Amsoil, Proheat, Pulsetech Oil filters, centrifuges, pad heaters, batteries, double-decker parts, lube, diesel and engine maintenance... BELTRONICS BELTRONICS Inc. is a major brand under the ESCORT name who is the leading manufacturer of high-performance radar and laser detectors. BELTRONICS manufactures products under the STi DRIVER, BELTRONICS...
