Andries Liebenberg

The Civil Engineering Contractors Association provides civil engineering construction services. The private company is based in Westminster, UK. The CEO of the British company is Alasdair Reisner.

Amalgamated Construction Ltd. provides construction and engineering services. The firm creates and maintains assets for both public and private sector customers in the specialist sectors of rail and engineering. The company was founded in 1970 and is headquartered in Barnsley, the United Kingdom.

Amco Group Ltd. operates as a holding company with interest in construction, property development, plastics and drilling services. It provides construction, engineering, design, and project management services to the rail, energy, engineering, materials handling, utilities, ports, environment, waterways, local authorities, transport, and nuclear markets. The company was founded in 1970 and is headquartered in Aberford, the United Kingdom.

Britannia Construction Ltd. provides construction services which include feasibility studies, cost advice, procurement and construction. It offers land remediation, civil engineering, rail infrastructure, nuclear decommissioning and structural refurbishment. The company was founded in 1960 and is headquartered in Cheltenham, the United Kingdom.

Founded in 1957, YJL Ltd. is a holding British company under Renew Holdings Plc that constructs commercial buildings through its subsidiaries. The company is based in Leeds, UK.

Part of Renew Holdings Plc, Amco Group Holdings Ltd. is a holding British company that operates in the construction, property development, and drilling services industries. The company is based in Aberford, UK and was founded in 2008.

Giffen Holdings Ltd. specializes in mechanical, electrical and power services within the railway environment, working for both network rail and London underground as well as a select number of train operating companies. The company is headquartered in St. Albans, the United Kingdom.