Founded 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.
ISO 9001
certification
ISO 14001
certification
Air-Way Manufacturing CompanyFounded in 1950 in an old airplane hangar in Romeo, Michigan, Air-Way Manufacturing makes precision hydraulic fittings and adapters for equipment used around the world. The company grew from the Hamm and Jacob families and now has second-, third- and fourth-generation leaders, while its global manufacturing network supports both standard parts and custom solutions for demanding applications. Air-Way describes itself as the largest independent hydraulic fitting manufacturer in the United States and operates with ISO 9001:2015 and ISO 14001 certifications.EDGERTON, OH
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
Swagelok CompanySince 1947, Swagelok Company has been known for dependable fluid-system work in applications where failure is not an option. It manufactures fittings and valves for customers who need to contain and control liquids or gases, supporting them through a network of authorized sales and service centers in 70 countries.SOLON, OH
Truly Tubular Fitting CorpTruly 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.MOUNT VERNON, NY