Roger Laurence Hartshorn

Part of Quanex Building Products Corp., Flamstead Holdings Ltd. operates as a holding British company. The company is based in Ripley, UK. Flamstead Holdings was acquired by Quanex Building Products Corp. on June 16, 2015 for $142 million.

Garner Aluminium Extrusions Ltd. is a UK-based aluminium trade extruder that specializes in the agile supply of grade 6063 aluminium extrusion. The private company's 100,000 sq ft factory, based in Derbyshire, is the most modern aluminium facility in the UK. Garner Aluminium Extrusions has invested over £15 million to-date in ensuring their service and quality is second to none. The SMS Hybrex aluminium press that sits at the heart of their operation utilizes high-speed die changes to maximize production efficiency. The British company's attention to detail enables them to offer the most reliable, consistent service possible. Garner Aluminium Extrusions is proud to be made in the UK. The company was founded in 2018 by Roger Hartshorn, who has 40 years of experience in the fenestration industry.

Altaras International Worcester Ltd. manufacturers precision tools. The company was founded on December 9, 2011 and is headquartered in Worcester, the United Kingdom.

HL Plastics Ltd. manufactures bespoke plastic products. It manufactures standard and bespoke products such as bespoke plastic extrusions and plastic piling. The company was founded by Godfrey Harris and Stuart Leese in December 1974 and is headquartered in Denby, the United Kingdom.

Tarpey Harris Ltd. manufactures tools and equipment. The company was founded on July 17, 1969 and is headquartered in Ripley, the United Kingdom.

HL Ravenscroft Ltd. manufactures and distributes plastic products. The company was founded in 1958 and is headquartered in Tewkesbury, GB.