Lifting Slings | Crane Slings | Rigging Slings | Lift-It ... lift it, rigging, hardware, training, safety, cranes, lifting, fall prevention Slings for industrial lifting sling applications are available by clicking the lifting sling categories below. Lift-It Manufacturing Co., Inc. has earned its reputation for quality, service and innovation by providing heavy duty nylon slings for the crane, rigging and material handling industries for over thirty-four years.