Profile: Steelmark Enterprises is a supplier of steel conduit fittings. Our products includes solid bends and elbows, deep junction box, inspection bends & elbows, coupler, surface junction boxes long neck and tees, saddles, checknuts & space bars, M.S. rectangular boxes and fan boxes, pull boxes & bends 16 gauge and fitting products. Our varied range of check nuts are widely used in automobile industries, hydraulic equipment and industrial plants.