Stephen John Dunn

Tarmac Trading Ltd. produces and supplies building materials and construction products. The firm offers aggregates, asphalt, contracting and maintenance products, blocks and mortars, cements, limes, concrete and screed, and tools and services. The company was founded in 1903 and is headquartered in Wolverhampton, the United Kingdom.

Part of Tarmac Industrial Minerals Holdings Ltd., Tilcon Holdings Ltd. is a British intermediate holding company. The company is based in Widnes, UK. Tilcon Holdings was acquired by Tarmac Industrial Minerals Holdings Ltd. on November 01, 1995 for $520.82 million.

CA Blackwell (Contracts) Ltd. provides earthwork and civil engineering services. The firm specializes in the remediation, geotechnical, and earthmoving sectors. The company was founded by Chris Blackwell in August 1956 and is headquartered in Earls Colne, the United Kingdom.

A.E. Yates Ltd. is a civil engineering and tunneling contracting British company founded in 1870. The private company is based in Bolton, UK and has subsidiaries in the United Kingdom. The company provides contracting services in these areas.

Coal 4 Energy Ltd. supplies coal and other related products. It supplies products to the cement manufactures, hospitals, prisons, space heating in schools, and domestic coal merchants. The company was founded in 2006 and is headquartered in Esh Winning, the United Kingdom.

Part of Hargreaves Services Plc, HBR Ltd. is a British company founded in 2001 that engages in remediation of contaminated land, civil engineering and construction. The company is based in Esh Winning, UK.

Part of Tower Regeneration Ltd., Tower Regeneration Leasing Ltd. provides equipment rental and leasing services. The company is based in Aberdare, UK. Tower Regeneration Leasing was founded in 2011.

Part of Hargreaves Services Plc, Forward Sound Ltd. provides support activities for other mining and quarrying. The company is based in Durham, UK.

Spi Piling Ltd. is a leading steel piling contractor that specializes in both temporary and permanent steel piling techniques. The private company is based in Lancashire, UK. The British company is also the authorized dealer for Gilbert Inc., manufacturer of the GRIZZLY MultiGrip™ vibratory pile driver. Additionally, they are a leading specialist subcontractor within the soil stabilization industry.