John Green

Smith & Carson, Inc. provides security and investigation services. It offers litigation support, business intelligent investigations, and security analysis and technology services. The company was founded in 1978 and is headquartered in Atlanta, GA.

Smith & Sons Bletchington Ltd. distributes stones and construction material. The firm distributes a range of washed sands, gravels and crushed limestone. The company was founded in 1947 and is headquartered in Oxfordshire, the United Kingdom.

Part of Heidelberg Materials AG, Hanson Quarry Products Europe Ltd. is a leading supplier of heavy building materials to the construction industry. The company is based in Maidenhead, UK. With over 300 manufacturing sites and more than 3,500 employees, Hanson operates in four business lines - aggregates, concrete, asphalt and contracting, and cement. The British company, founded in 1935, produces aggregates, ready-mixed concrete, asphalt, cement, and cement-related materials.

Calumite Ltd. was founded in 1969 and is a supplier of Calumite, an essential raw material for the glass industry. The joint venture company is based in Scunthorpe, UK and supplies glassmakers worldwide. Calumite is produced from blast furnace slag, which reduces the need for quarrying virgin raw materials by partially replacing limestone, dolomite, and alumina-containing minerals. It also counts towards the recycled content of glass containers.

Castle Cement Ltd. manufacture and marketing of cement products. It serves builders concreting, mortar, render, and screeding needs of customers. It has offices in Lancashire, north Wales, and Rutland. The company is located in Birmingham, UK.

Part of Heidelberg Materials AG, Hanson Packed Products Ltd. is a manufacturer of heavy building materials. Founded in 1888, the company is based in Maidenhead, UK. Hanson Packed Products offers a broad range of packed building materials, including bagged concretes, mortars, asphalts, and base and decorative aggregates for gardens and other landscaping and household applications, alongside a comprehensive range of bagged cements. The British company manufactures over 15 million bags per year and operates bagging operations for base aggregates at seven quarries around the UK. Hanson Packed Products provides professional quality products and has an excellent logistics operation with deliveries available next-day, three day or five day leadtimes, according to the mix of products being ordered.

Part of Heidelberg Materials AG, Civil & Marine Ltd. is a British company that manufactures and distributes hydraulic cement. The company is based in Maidenhead, UK. Civil & Marine was founded in 1988.

Part of H.H. & D.E. Drew Ltd., New Milton Concrete Ltd. is a company that manufactures ready mixed concrete products. The company is based in New Milton, UK and was founded in 2002.