Groma Hold produces construction materials in full accordance with the European standards. To optimize efficiency, the Company has integrated the production of as many materials and supplies as possible into its operations. Groma Hold is one of Bulgaria’s leading producers of concrete mixes and operates the largest concrete product manufacturing facility on the Balkan Peninsula. Its plants produce all types of hot and cold asphalt mixes and all major types of construction grade particulates from top-quality aggregates mined at the company’s own quarries.