
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.
Product lines
Flanges & Fittings — Unspecified
No product family confirmed yet. Browse Flanges & Fittings — Unspecified
Gaskets & Seals
No product family confirmed yet. Browse Gaskets & Seals
High-Pressure Flanges
No product family confirmed yet. Browse High-Pressure Flanges
Machine Shop Services
No product family confirmed yet. Browse Machine Shop Services
Manufacturing & Fabrication
No product family confirmed yet. Browse Manufacturing & Fabrication
Well Control & Pressure Control
No product family confirmed yet. Browse Well Control & Pressure Control
Wellhead Equipment — Unspecified
No product family confirmed yet. Browse Wellhead Equipment — Unspecified
Locations
| Site | Type |
|---|---|
| Headquarters | |
LSFE - QatarQatarOffers All product lines | Branch |
LoneStar Sealing Technology - Houston, TX835 Greens Parkway, Suite 200, Houston, TX, 77067, United StatesOffers All product lines | Branch |
Energy Hardware - Greer, SC2730 E. Phillips Road, Greer, SC, United StatesOffers All product lines | Branch |
Energy Hardware - Pensacola, FL8821 Grow Drive, Suite A, Pensacola, FL, United StatesOffers All product lines | Branch |
Energy Hardware - Schenectady Branch, NY201A Glenville Business and Technology Park, Glenville, NY, United StatesOffers All product lines | Branch |
AmeriBolt - Sycamore, AL (Manufacturing)18060 AL Hwy 21, Sycamore, AL, 35149, United StatesOffers All product lines | Manufacturing |
AmeriBolt - Houston, TX4301 Blalock Rd #200, Houston, TX, 77041, United StatesOffers All product lines | Branch |
AmeriBolt - Moss Point, MS3519 Main Street, Moss Point, MS, 39563, United StatesOffers All product lines | Branch |
Hydrobolt - Toronto, CanadaToronto, ON, CanadaOffers All product lines | Branch |
Show all 23 locations
Hydrobolt - Calgary, CanadaCalgary, AB, CanadaOffers All product lines | Branch |
LoneStar Leeds - UKUnits 2-4, Orbital Industry Park, Hudswell Road, Leeds, LS10 1AG, United KingdomOffers All product lines | Branch |
LSFE / Hydrobolt - Walsall Distribution Centre, UKDarlaston Road, Walsall, WS2 9SG, United KingdomOffers All product lines | Warehouse / yard |
LoneStar - Wednesbury, UKUniversal Point, Steelmans Road, Wednesbury, West Midlands, WS10 9UZ, United KingdomOffers All product lines | Branch |
LSFE - Birmingham, UK120 Sydenham Road, Birmingham, B11 1DQ, United KingdomOffers All product lines | Branch |
Hydrobolt EU - Rotterdam, NetherlandsCoolsingel 104, Rotterdam, 3011AG, NetherlandsOffers All product lines | Branch |
Tachart - Rotherham, UKWhite Lee Road, Swinton, Rotherham, South Yorkshire, S64 8BH, United KingdomOffers All product lines | Branch |
LoneStar SRL - Ploiesti, RomaniaDN 72, Ploiesti - Targoviste Road, KM No. 8, Ploiesti Industrial Park, Ploiesti, RomaniaOffers All product lines | Branch |
LoneStar OFST - Chennai, India56C, 7th Street, Ambattur Industrial Estate (North), Chennai, Tamil Nadu, 600098, IndiaOffers All product lines | Branch |
LoneStar PHIT - Ningbo, ChinaNo.1-3 Block #3, No. 38, Yongjiang Road, Beilun District, Ningbo, 315800, ChinaOffers All product lines | Branch |
LoneStar Singapore1, Corporation Drive, #04-11 REVV, Singapore, 619775, SingaporeOffers All product lines | Branch |
Triple Fast - Jebel Ali, Dubai, UAE (Test Lab)Building 50, Oilfields Supply Center, Jebel Ali Free Zone, Dubai, United Arab EmiratesOffers All product lines | Branch |
LoneStar Australia - PerthLevel 29, 221 St Georges Terrace, Perth, WA, 6000, AustraliaOffers All product lines | Branch |
Service area
Service area not yet confirmed by the company.
Certifications
Company-wide (no site given)
| ISO 17025 | — | Company claim — not verified against the issuer |
| PED | — | Company claim — not verified against the issuer |
| CSA | — | Company claim — not verified against the issuer |
| ASME U Stamp | — | Company claim — not verified against the issuer |
Verified: matched to API’s Composite List.
Contacts
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