S & S International supplies products from these top-of-the-line distributors, manufacturers and brands: Simpson Strong-Tie Structural connectors, shearwalls, anchors, fastening systems and seismic testing for stronger and safer wood and steel construction. Gesipa Fasteners Blind rivets and riveting tools. Felo Manufacturer of interchangeable screwdriver-blade systems, screwdriver sets, socket and bit sets and specialty screwdrivers. Bondhus Manufacturer of screwdrivers, hex, ball and star sets and L-wrenches with unique tips and different handle styles. Powers Fastening Innovations, Mechanical Anchors