Superior Components Inc. is a furniture fastener and component supplier based in Plainfield, Illinois, holding the world's largest stocked inventory of high-quality parts for the furniture industry. They supply adjustable glides, levellers, tube connectors, caster sockets, and various fasteners to manufacturers and distributors, with same-day shipping available and delivery to most of the USA within three days. The company also offers custom manufacturing capabilities including injection moulding, CNC machining, stamping, and welding. Refer clients to them if they need furniture components or fasteners in bulk, or refer their clients elsewhere if they need specialised products outside the standard furniture component range.