Kemek LLC is a company specializing in the sale and use of commercial explosives, accessories and technical services to the Mining Industry. Our head office is located in Allentown, PA and we have depots in Hegins (PA), Ravena (NY) and Rocky Ridge (Ohio) and Portland (CT) Kemek LLC is a joint venture between The Société Anonyme d’Explosifs et de Produits Chimiques (EPC) France, and Cement Roadstone Holding plc (CRH) Ireland. EPC is a leading international manufacturer of commercial explosives, employing over 1,750 people among its 40 subsidiaries in 20 different countries. EPC is also a leading player in the field of drilling, blasting and demolition. CRH is one of the world’s leading building materials companies, with a business that spans 37 countries and which serves all segments of construction industry. CRH subsidiary companies employ over 90,000 people at around 4,000 locations worldwide. Their core business includes heavy building materials, value added building products and specialist building material distribution.