Truly Tubular Fitting Corp. is known for its BRAZETYTE® line of 316L stainless steel thin-wall tube fittings, made for industrial fluid-system applications. The Mount Vernon company also makes HOZETYTE® connectors for low-pressure systems that use flexible hose.
Lokring Technology LLCFounded in 1989, Willoughby's Lokring Technology manufactures small-bore pipe fittings and fluid-system connectors that create permanent, metal-to-metal joints without welding or other hot work. Its patented ESP® technology grew from aerospace work, including development for the Apollo I Saturn mission, and the company supports industrial users through a global authorized distributor network. Lokring's manufacturing quality system is certified to ISO 9001:2015, with fittings qualified for demanding pressure-piping and marine applications.WILLOUGHBY, OH
World Wide FittingsFounded in 1950 as World Wide Supply, World Wide Fittings manufactures steel and stainless-steel hydraulic tube and pipe fittings. From its 110,000-square-foot Vernon Hills headquarters and domestic plant, the company operates a network of owned manufacturing facilities and distribution sites spanning three continents. Its in-house burst, impulse, salt-spray and cleanliness testing supports fittings made under ISO 9001 and ISO 14001-certified systems.VERNON HILLS, IL
Tylok International, IncCleveland-based Tylok International manufactures American-made fittings and valves for industrial flow and instrumentation systems. Its roots reach back to the mid-1940s, when Cullen Crawford patented the original flare-less fitting and founded Crawford Fitting Company, helping create the compression-fittings industry; Tylok has continued manufacturing in the United States for roughly seven decades. The family organization has specialized in oil and gas connections since 1955 and also supports demanding power, food-processing, and pulp-and-paper applications.CLEVELAND, OH
Classic Tube ManufacturingClassic Tube Manufacturing fabricates and bends small-diameter tubing from 1/8-inch to 1-inch outside diameter, from prototypes through production quantities. Its capabilities include tube bending, brazing, welding, end forming, hose crimping, assemblies, design engineering, and inspection, using materials including stainless steel, carbon steel, Galfan steel, ProCoat 2000, aluminum, copper, and stainless steel braid.LANCASTER, NY