SCAFFOLD CLAMPS, COUPLERS & SCAFFOLDING ACCESSORIES Clamps Unlimited, Inc. meets the demands and needs for scaffolding clamps and scaffold couplers in the U.S.A. We are the direct importer, therefore we supply full range of scaffolding clamps at wholesale prices. With over 20 years of experience in Movie & TV Rigging, we know your business. Time is very essential, so our pickup and delivery services are designed to meet the needs of the fast paced movie and television industries.