All-Lift Systems is a distributor for all major lifting clamp manufacturers: Crosby, Campbell, CM, SuperClamp, J.C. Renfroe, and Terrier Lifting Clamps. Lifting clamps are used to lift and transfer materials and equipment during rigging applications. Drum clamps are for the safe lifting and transporting of steel oil drums. Don't see the brand or type of drum clamp you are looking for on our website? Please contact us for more information or to request a quote.