Jonathan G. A. Azis

Hanson Ltd. supplies and distributes building materials to the construction industry. It produce aggregates, ready-mixed and precast concrete, asphalt, cement and cement-related materials, bricks and a range of building products. The firm is split into five business lines which include Hanson aggregates, Hanson concrete, Hanson asphalt and contracting, Hanson cement and Hanson building products. Hanson aggregates produces and distributes crushed rock, sand and gravel from a network of quarries, depots and wharves; Hanson concrete is the supplier of ready-mixed concrete; Hanson asphalt and contracting brings together management of asphalt production sites and a national road surfacing and infrastructure contracting business; Hanson cement is a manufacturer of Portland cement, both in bulk and in bags, and produces regen; and Hanson building products is one of the producers of clay bricks and also makes thermalite and aggregate blocks. The company was founded by James Edward Hanson and Gordon White in 1964 and is headquartered in Maidenhead, the United Kingdom.

Isotron Plc provides contract sterilization services. It offers polymer material modification, microbial contamination control, and laboratory services. The company was founded in 1983 and is headquartered in Swindon, UK.

Westhouse Holdings Plc provides corporate advisory and brokerage services. It offers corporate broking services in oil and gas, mining, support services, telecoms, media, technology and renewable. The company is headquartered in London, the United Kingdom.

Royal Albert Hall Developments Ltd. leases exhibition halls to promote arts and science events for charity. It also leases boxes to corporate clients and undertakes joint arrangements for the production of certain events. The firm also conducts tours of the hall. The company was founded in 1871 and is headquartered in London, the United Kingdom.