Profile: Columbus Industrial Supply manufacturers valves, pumps, gear boxes, hoses, hydraulics, belts, gaskets, gauges, filters, pipe and fittings. We also specialize in custom hose assemblies of all types including fuel, hydraulic, chemical, food, water and air. Our products include couplings, lubrication, steam, packing, separators, safety, sanitary, lifting & slings and gloves. Our lubrication includes lubrication fittings, grease guns, control valves & meters, compressed air components, fluid management, used fluid handling equipment, bulk oil systems and lubrication accessories.