T. K. Ramasubramanyan

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

Tractors & Farm Equipment Ltd. manufactures tractors and farm equipment. Its products include tractors, harvesting equipment, accessories and implements, engines, gears and transmissions, and engineering plastics. The firm is also involved in making diesel engines, gears, panel instruments, engineering plastics, hydraulic pumps, plantations and passenger car. It offers its services to institutional, private and government customers. The company was founded by Anantharamakrishnan Sivasailam in 1960 and is headquartered 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.

Amco Batteries Ltd. engages in the manufacture and supply of automotive batteries. The company was founded in 1955 and is headquartered in Chennai, India.

TAFE Motors & Tractors Ltd. manufactures tractors and farm equipment. The firm manufactures the eicher brand of tractors, diesel engines and transmission components. It also offers trailers, implements, and accessories. The company was founded in 2005 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 was founded in 1997. The company is based in Chennai, India.

Part of Mahle-Stiftung GmbH, Mahle IPL Ltd. is an Indian company that manufactures pistons, piston pins, gudgeon pins, cylinder liners, and allied components. The company is based in Chennai, India. Founded in 2007.

Tafe Access Ltd. supplies and manufactures electronic testing and measuring equipment. It also manufactures sensors & indicators, Industrial Process Equipment, Chemical Testing & Measuring Equipment and Automotive Electrical System. The company is headquartered in Chennai, India.

Madras Management Association provides platform that enhance standards of management education and training. The company was founded by SLT White, T Rogers, NV Naidu, NK Aiyer, Sivasailam Anantharamakrishnan, EFG Hunter, GV Krishna, AMM Murugappa Chettiar and GV Krishna Roa in August 1956 and is headquartered in Chennai, India.

Amalgamations Pvt Ltd. is an Indian company that manufactures transportation equipment.

Part of TotalEnergies SE, AMCO - Saft India Ltd. is an Indian company that manufactures and supplies nickel-cadmium batteries. The company is based in Bangalore, India.

Stanadyne India Pvt Ltd. manufactures diesel and gasoline fuel systems. The company was founded in 1876 and is headquartered in Thiruvallur, India.