John Graham Colley

British Gypsum Ltd. manufactures and sells gypsum plasterboard for walls and ceilings. It also makes metal studs and channels for its wall systems and produces Thistle brand plaster products. Its Artex-Rawlplug division makes decorative plaster moldings and the British Gypsum-Isover unit produces mineral wool insulation. The company has about five manufacturing plants in the UK. It is headquartered in Loughborough, UK.

BPB Plc manufactures plasterboard & gypsum plasters and related interior products. The company offers insulation, ceiling tiles, internal linings that comprise plasterboard & accessories for fire and humidity resistance, thermal insulation, sound transmission, structural integrity, and design aesthetics. It provides complementary products, such as plasters, ceiling tiles, insulation, other building materials, and paperboard. The company was founded in 1915 and is headquartered in Slough, UK.

Superglass Holdings Ltd. engages in the manufacturing and sale of glass fibre insulation. The company was founded in 1987 and is headquartered in London, the United Kingdom.

Jablite Ltd. produces expanded polystyrene insulation products. Its products include Claymaster, Fillmaster, Floatmaster, Jabcore Classic, Jabfill System, Jabfloor Classic, Jabfloor Premium, Jabite Flat Roof Profiled Plus, Jablite External and Quickfloor. The firm’s products are used in floor insulation, landscaping, rail, road, roof insulation and wall insulation. The company was founded in 1973 and is headquartered in Belvedere, the United Kingdom.

Styropack (UK) Ltd. manufactures expanded polystyrene for protective packaging. It manufactures fish boxes, bespoke packaging and horticulture trays. The firm serves the heating, air conditioning and ventilation equipment, vaccines, pharmaceuticals, fresh fish, horticulture, frozen food and home delivery sectors. The company was founded in 1965 and is headquartered in Aberdeen, the United Kingdom.

Jablite Holdings Ltd. is a holding British company founded in 2014. The private company operates through its subsidiaries, which manufacture polystyrene products.