Malco Products, founded in 1950, is one of the largest manufacturers of hand tools for the heating, ventilating and air conditioning industry. It also provides specialty tools for the exterior remodeling industry. The company s products include awls, scribers, dividers, caulking guns, knives, hole punching machines, clean up tools, drill bits, fasteners, gutters, hammers, hand drivers and riveters. Its products also include hex keys, knives, measuring tools, power drivers, saws, roofing tools, shears, shear-cutting accessories, siding tools and snips. In addition, the company provides a variety of work accessories, such as cordless drills, knee pads, tool, boxes and belts, waist aprons, tote trays and pliers. Malco Products is headquartered in Annandale, Minn.