Lincoln 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.
API Specification Q1
Compliance program
API 5CT
API 5L
API Specification 7-1
ISO 9001
Annual ISO 9001 Quality Management System Registration
Registration
APIQ1
Quality certification
APISPEC71
Quality certification
VAM USAVAM 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.YOUNGSTOWN, OH
Lincoln ManufacturingLincoln Manufacturing is a family-owned and operated company founded in 1972, specializing in hydraulic repair, design, fabrication, and machining for the mining, steel, and heavy manufacturing industries. Located in Washington, PA, the company provides precision components, equipment manufacture and repair, roll and shaft services, and mechanical contracting field services.WASHINGTON, PA
Keystone Threaded ProductsFamily-owned and operated in Valley View, Ohio, since 1920, Keystone Threaded Products manufactures USA-made standard and customized precision roll-threaded rods and related machined parts. Now led by third-generation owner Betsy Minnick, the certified women-owned business is known for handling large-diameter threading, including work on what it calls the world’s largest thread roller. Keystone also offers complete-part machining and inventory management, with quality controlled through material traceability and multi-step inspection.CLEVELAND, OH
All America Threaded ProductsAll America Threaded Products is a U.S. manufacturer of threaded products, with facilities in Denver, Colorado, and Lancaster, Pennsylvania. It supplies threaded rod and related fastening products from domestic and imported sources, and can make custom products to customer specifications.LANCASTER, PA