Dirk Donck

Lhoist UK Ltd. produces lime and dolomite. It produces building and hemp lime products. The company was founded in 2000 and is headquartered in Buxton, the United Kingdom.

Steetley Dolomite Limited - Supplying dolomitic products to the steel industry. For over a 100 years the name Steetley has been synonymous with high quality Dolomitic lime and dead burnt Dolomite products for the steel industry. Steetley Dolomite Limited is now an independent company owned by its management. Steetley Dolomite specializes in Dolomitic products for the steel industry and is one of the leading producers in the world. From the UK, Steetley Dolomite supplies, Dolomitic lime flux for EAF and BOS steelmaking. EAF monolithic refractories, Dolomite grain for the manufacture of refractory bricks and monolithics, Fine dolomite for filler and neutralizing uses and Steetley Dolomite products can be supplied worldwide. Steetley Dolomite products are manufactured under quality systems which are certified to ISO 9001:2008. Steetley Dolomite operates Environmental Management Systems which are certified to comply with the requirements of ISO 14001:2004.

Cleb Holdings Ltd. is a holding British company founded in 2004. The private company is based in Worksop, UK. Its subsidiary manufactures and sells burnt dolomitic lime products.

Founded in 1907, Dolomie de Villers le Gambon NV is a mining and quarrying Belgian company that specializes in dimension stone. Part of Lhoist SA, the company is based in Ottignies-Louvain-la-Neuve, Belgium.