Profile: A-1 Coupling & Hose, Inc. manufactures products for truck & bus, OEM manufacturing, timber, mills, maintenance, construction, agriculture, marine, chemical and petroleum applications. We provide a complete line of hydraulic hoses, assemblies, metal hoses, industrial hoses, clamps, valves and gauges. We have two metal hose fabrication facilities. We also offer reels, pressure wash accessories, nozzles and maintenance products.