Greaves is a multi-faceted company engaged in the manufacturing and marketing of diesel and petrol engines, gensets, defence equipment, industrial gearboxes, three-wheel vehicles, cranes, concrete pumps, vibratory compactors, rock roller bits (drilling), crucibles, ABS/HIPS resins, semiconductor devices, pumps, high-technology systems for marine, aviation and electronics applications. It is diversifying into high-speed diesel engines, tractors, the development of ports in Russia and industrial parks in India. It aims to maximize unique synergies and core competency in manufacturing and marketing.