History of the LoneStar Group

The LoneStar Group was born from the merger of three great businesses – LS Precision Manufacturing Inc, PRD Holdings and Energy Hardware culminating in its current form in 2011. The resulting combination provides a market leading Group supplying specialist fasteners, machined components, gaskets and seals to the Energy sector worldwide.

PRD Holdings started life in the early 1980’s with PRD Engineering Tools, a small company selling Engineering Tools and Machines from a 500 sq ft facility located at Willenhall, in the United Kingdom. With the addition of new members, the company soon became PRD Fasteners, starting its operations from a larger location of 7,500 sq ft and specializing in high integrity fastener products.

In 1985, Eurofast was then formed by PRD to supply products to the Petrochemical Industry. They kept a range of Threaded Bar and Nuts in varying sizes, materials and grades to allow them to manufacture Stud Bolts for the Oil, Gas and associated markets.

5 years later and with both businesses continuing to grow, Triplefast International was created to service the export sales of PRD and Eurofast – thus enabling PRD Holdings to sell to the European marketplace.

The geographic reach improved further when in 2002 Triplefast Middle East was formed to act as the manufacturing, stockholding and sales centre for the Middle Eastern areas.

Later expansion in 2005 saw PRD Holdings increase their global presence again by opening LoneStar PHIT in China.

Meanwhile in Houston (USA), a separate company called LoneStar Fasteners was formed in 2001, acquiring other fastener companies LSS LoneStar and Walker Bolt in 2003. In order to expand upon their core fastener range, they started LoneStar Sealing Technologies in 2004. This enabled them to offer a wide range of sealing and gaskets to accompany their core bolting products.

Similar to PRD Holdings, LoneStar expanded further with the purchase of Leeds based Grange Gaskets in the United Kingdom, whose business had been running successfully since 1948. The acquisition then saw the company renamed to LoneStar Grange in 2006.

In addition to UK growth, LoneStar also extended their business further around the globe in 2006 by opening LoneStar SRL in Romania and Triplefast Pte in Singapore 4 years later.

UK expansion continued in early 2007 with the acquisition of LWD Precision Manufacturing.

LS Precision Manufacturing Inc and PRD Holdings merged in 2007 to create LoneStar PRD Holdings Group who quickly became known as one of the largest fastener, gasket and machined component manufacturers and distributors in the world.

Energy Hardware was founded in 2001 in Greenville, SC. The company had grown to become the foremost supplier of fasteners and kits to the Worlds Power Generation market.


About Lone Star Sealing Technologies
Lone Star Sealing Technologies was founded in 2004 to better serve the customers of Lone Star Fasteners and Walker Bolt. Our core product line consists of API Ring Joint Gaskets, Proprietary Wellhead Gaskets and Spiral Wound Gaskets. We also provide specialty cut gasket services for our OEM clients as well as general distribution for Raised Faced and Full Faced flange gaskets to ANSI B16.5 dimensions. LoneStar have a variety of high quality of gaskets and other options for fluid sealing applications built to endure, even under the toughest conditions. You can be confident that we go to every extreme to make sure that our products are built to perform. As manufactures and distributors of industrial gaskets for the oil and gas, and petrochemical industries, we know that it takes to produce quality that lasts and we continually tweak product lines in an effort to improve even the most proven gasket in the industry. In 2005 Lone Star acquired the assets of K&W Manufacturing, a Houston based API Ring Gasket producer. Established in 1964, K & W Manufacturing is an industry leader, among a few selected manufacturers in the world, approved by the American Petroleum Institute to apply the API monogram to Ring Joint Gaskets. In 2006 Lone Star acquired Grange Gaskets and Grange Precision Engineering (now Lone Star Grange) based in Leeds, England. Since 1948, Grange has been one of the United Kingdoms premier specialty gasket companies, specializing in Heat Exchange Gaskets of all types and configurations. Grange is world renowned for it's specialty clad gasket capabilities and quick service on spiral wound gaskets.

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