Wholesale Trailer Supply provides more than 8,000 products for trucks and trailers. It operates an online store that features armature plates, anchoring points, bearings, ball mounts, load binders, brake control wire kits, tool boxes, electrical plugs, and cargo bags, nets and carriers. The company also offers repair kits, safety chains, oil caps and magnets. Its electrical accessories product list includes flashers, connectors, switches, pig tails, bulbs and sockets. Additionally, the store offers drop through, square tube and snap ring swivel jacks. It maintains a warehouse and receiving department, as well as offers delivery, training and customer care services. Wholesale Trailer Supply maintains a location in Sacramento, Calif.