Haji Hassan Group of companies provides heavy duty construction and engineering services in Bahrain. It engages in the manufacture of prefabricated cement and cement products; construction of pipe projects, oil and gas terminals, concrete slabs, blocks, and chemical facilities. The company also offers spare parts, ready mix concrete, asphalt, building material, reinforcement, pipes, tanks, and real estate services.

The Group had its modest beginnings in the year 1954, when the founder of the Group, Haji Hassan bin Ali Al Aali started a small stone crushing business that then developed into one of Bahrain's most prestigious conglomerates. Based on his vision, keen entrepreneurship and an enthusiasm for success, the late Haji Hassan described his progress as “Ataba, Ataba”, or Step-by-Step. Making well calculated and well defined progress, the Group has been renowned for pioneering various business projects that have been the foundation of the country's infrastructure building.