VAM USA develops and manufactures premium threaded connections for the oil and gas industry, with its North American headquarters in Houston, Texas. Its Houston Connection Technology Center develops and qualifies connection designs, and the company provides threading and field and technical services across North America. The VAM connection brand dates to 1960, and the Atlas Bradford connection family joined its offering in 2008.
ISO 9001:2008
API RP 5C5
Compliance program
ISO 13679
Compliance program
Lincoln Manufacturing, LLCLincoln Manufacturing makes threaded and machined products for the Oil Country Tubular Goods industry, including API couplings and downhole accessories. Headquartered in Magnolia, Texas, the company also operates manufacturing facilities in Houston and Strasburg, Ohio, serving customers across North America. It was acquired by Frontier Tubular Solutions in 2022.STRASBURG, OH
LamonsFounded in 1947, Lamons manufactures custom gaskets, fasteners, seals and hoses for demanding industrial applications. The Houston-based company combines more than 75 years of experience with over 20 manufacturing and distribution locations worldwide, serving customers who need both high-volume production and one-off engineered solutions. Its Corpus Christi branch adds local manufacturing and technical support for South Texas plants and refineries, including on-site stud production and waterjet-cut soft gaskets.HOUSTON, TX
Vulcan IndustrialHouston-based Vulcan Industrial engineers and manufactures mission-critical components for hydraulic fracturing, energy, aerospace, and defense applications. Its work centers on vertically integrated, USA-built fluid ends and related parts, with in-house research and advanced metallurgy shaping designs such as the patented V-Series line. Vulcan also supports equipment in the field through North American service centers, repair, and its Bore Restore program for extending fluid-end life.WASHINGTON, PA
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