Sundram Fasteners Limited (SFL) is a leading manufacturer of auto components in India. SFL is a part of the TVS Group, India. SFL commenced its operations in 1966. The company manufactures high tensile fasteners, automotive components, automotive and other miscellaneous cold formed/extruded parts, powder metal parts, precision formed gears, iron powders, radiator caps, gear shifters and tyre carriers. Sundram Fasteners has won the 'Supplier of the Year' Award in 1996, 1997, 1998, 1999 and 2000 from General Motors, USA.

The company had a turnover of US$ 227.4 million in 2004-05. Sundram Fasteners (Zhejiang) Limited is SFL’s subsidiary in China. The subsidiary commenced its operations in May 2004. Cramlington Precision Forge Limited (CPFL) is a subsidiary of SFL in the UK. SFL also has a subsidiary in Malaysia named RBI Autoparts Sdn Bhd.