Operating for more than 100 years, Campbell Fittings manufactures industrial hose fittings, couplings, clamps, ferrules, and related tools and accessories for air, steam, gas, water, dry bulk, chemicals and petroleum applications. It operates through several warehouses located in California, Texas, Illinois and Pennsylvania. The company manufactures a full line of products, such as air hammer couplings, band clamps, barbed insert fittings, wrenches, worm gear clamps, strainers, throttle valves, menders, reducing and combination nipples, sleeves, male stems and ferrules. In addition, Campbell Fittings develops and produces custom fittings, couplings and attachments. The company is headquartered in Boyertown, Pa.