LoneStar Group

LoneStar Group is a leading global manufacturer and supplier of high-performance, precision-engineered components for critical industries including energy (oil and gas), renewables, defence, nuclear, and civil infrastructure. The company is the world's leading producer of specialist fasteners and bolting products, manufacturing to drawings with special threads and tight tolerances across virtually any size of SAE, ASTM, or ISO standard fastener. Capabilities include ASTM stud bolts (one of the largest fully-certified inventories in the industry), API bolting, high-temperature creep-resistant fasteners (turbine coupling bolts and rotor studs), Level 1 fasteners in non-ferrous metals (Monel, K500, 718, titanium), nuclear fasteners (NQA-1, ASME NCA 3800, 10CFR50B), wind turbine bolts, machined components and OEM parts, gaskets and seals, precision-engineered components and assembly, CNC machining, hot forging, thread rolling, specialised coating and plating, on-site supply chain services, 24-hour breakdown cover, and ISO 17025-accredited independent test laboratories in Europe, the USA, and the Middle East. LoneStar Group employs over 1,200 people worldwide across a network of manufacturing and distribution operations spanning North America (Texas, South Carolina, Florida, New York, Alabama, Mississippi, Toronto, Calgary), Europe (UK, Netherlands, Romania), Asia (India, China, Singapore), the Middle East (UAE, Qatar), and Australia. Operating brands include LoneStar Fasteners, LoneStar Sealing Technology, Energy Hardware, AmeriBolt, LoneStar Leeds, LSFE, Hydrobolt Group, Tachart, LoneStar SRL, OFST, PHIT, LoneStar Singapore, Triple Fast, and LoneStar Australia. The Group holds founding/legacy API 20E (license #20E-0007) and API 20F (license #20F-0015) certifications for alloy/carbon steel and corrosion-resistant bolting respectively, marking it among the very earliest licensees worldwide for pressure-containing bolting standards.