Supplying powder coating in Richmond, California, Poly Engineering has been offering professional finishing services since 1970. Applications for our customers include: utilities, custom (commercial) lighting, marine, architectural, industrial, automotive, antiques, furniture, motorcycles, metal sculptures, antique cars, railing, commercial signage, exterior structures, bicycles and construction. Our powder coating lighting, railing, & signage jobs are in restaurants all over the country & powder coating infrastructure and construction jobs both domestic and abroad.