John Godbert

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.

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