Founded 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.
ISO 9001:2015
ANSI/ASME B31.1
Compliance program
ANSI/ASME B31.3
Compliance program
ANSI/ASME B31.4
Compliance program
ANSI/ASME B31.5
Compliance program
ANSI/ASME B31.8
Compliance program
ANSI/ASME B31.9
Compliance program
American Bureau of Shipping Manufacturing Assessment Certification
ABS Type Approval
API-607 Rev 4 Fire Test
ASTM-F1387 NAVSEA
Association of American Railroads Approval
Canadian Registration Number OA1195
CSA Z7396 1-09
DNV Product Type Approval
Lloyd’s Register Type Approval
NSF/ANSI Standard 61
NSF/ANSI Standard 372
NFPA 30
Compliance program
NFPA 99 Health Care Facilities Code
Compliance program
California Air Resources Board Executive Order G-13-001-2025
United States Coast Guard Approval
NACE MR0175/ISO 15156
Compliance program
NACE MR0103-2007
Compliance program
ABSMANUFACTURINGASSESSMENT
Quality certification
AARAPPROVAL
Quality certification
NSFANSI61
Quality certification
NSFANSI372
Quality certification
CARB
Quality certification
USCGAPPROVAL
Quality certification
Tube-Mac® Piping TechnologiesFounded in Stoney Creek, Ontario, in 1977, Tube-Mac® Piping Technologies develops non-welded piping systems and provides installation services for demanding industrial and marine applications. The family-owned company grew from a piping repair business into an international operation, replacing hot-work connections with technologies such as its 37° flare flange and PYPLOK® connector. Tube-Mac® supports projects with design, prefabrication, field technicians and portable workshops, including work carried out across all seven continents.ZELIENOPLE, PA
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
Tech Tube, IncTech Tube, Inc. makes custom small-diameter tubing for demanding aerospace and medical applications, with more than 70 years of tube-manufacturing experience and products used aboard the International Space Station. Formed in 2005 from Tube Methods’ medical division, the King of Prussia manufacturer develops made-to-order tubing and components alongside customers, including nitinol and cobalt tubing for medical devices. Its in-house testing and engineering capabilities support certifications including ISO 9001:2015, ISO 13485:2016, and AS9100D.KING OF PRUSSIA, PA
Specialty Hose CorporationSince 1977, North Canton’s Specialty Hose Corporation has designed and fabricated custom hose assemblies for demanding industrial and aerospace applications. Its products have served settings ranging from deep-ocean decompression chambers to the International Space Station, with the company handling engineering, fabrication, testing and cleaning in-house. Specialty Hose is registered to ISO 9001 and AS9100, and its FAA-approved aerospace operation fabricates TSO-certified assemblies.NORTH CANTON, OH