A. Krishnamoorthy

Simpson & Co. Ltd. manufactures engines for automobiles. The company is headquartered in Chennai, India.

Amalgamations Repco Ltd. is an Indian company that manufactures clutch cover, clutch driven plates, and clutch carbon release bearings. The private company was founded in 1967. The company is based in Chennai, India.

Amalgamations Group operates as a light engineering conglomerate in India. It produces vehicle diesel engines, agricultural tractors, automobile components, batteries, cutting tools, and paints, as well as tea products. The firm also offers advertising and communication, warehousing and goods transportation, bus body building, tire retreading, and hire purchase and leasing services. The company was founded by S. AnantharamaKrishnan in 1938 and is headquartered in Chennai, India.

T. Stanes & Co., Ltd. manufactures and exports organic fertilizers, micronutrients, bio-fertilizers and botanical pesticides. Its products include nutrient, water, pest, disease management and substrates. The company was founded by Robert Stanes in 1861 and is headquartered in Coimbatore, India.

Addison & Co. Ltd. manufactures cutting tools made of steel and solid carbide. Its products include centre drills, end mills, ground thread taps, milling cutters, reamers, and machine tools. The company was founded in 1873 and is headquartered in Kanchi, India.

India Pistons Ltd. manufactures pistons, piston pings, gudgeon pins, cylinder liners and allied components. Its products include IPL products and IPL PowerPak. The firm's services include software application development, facility management, oracle support, E-learning and media services. The company was founded by Anantharamakrishnan Sivasailam in July 1949 and is headquartered in Chennai, India.

Amalgamations Valeo Clutch Pvt Ltd. is an Indian company that manufactures and distributes passenger car clutch systems. The private company is based in Chennai, India and was founded in 1997.