Mridu Hari Dalmia

Dalmia Cement (Bharat) Ltd. principal activities are to manufacture Clinker, Cement and Cement Despatches, Cane crushing, Molasses and Sugar. It also produces and sells Dead Burnt Magnesite, and Magnesia-Carbon Bricks and Monoliths, iron ore, Multilayer Ceramic Chip Capacitors & Chip Resistors and consumer electronic equipment like Audio Deck Amplifiers, TV (both color and black & white). The company owns a Wind Energy Farm. It also runs a Travel Agency. The company has its plants in Dalmiapuram, Salem and Muppandal in Tamil Nadu, Ramgarh in Uttar Pradesh, Bangalore in Karnataka and Ballabhgarh in Haryana. The company was founded in 1935 and is headquartered in New Delhi, India

OCL India Ltd. engages in the production of cement and refractory. It operates through Cement and Refractory segments. The company was founded on October 11, 1949 and is headquartered in New Delhi, India.

Mridu Hari Dalmia Parivar Trust is an Indian investment holdings company. The company is based in New Delhi, India.

Cement Manufacturers' Association operates as a representative body of large cement manufacturers in India. It acts as a bridge between Indian cement industry and the government. The company was founded in 1961 and is headquartered in Noida, India.

Harry Management Co. Ltd. engages in the leasing of real estate properties. The private company is based in Manchester, UK.