Madras Engineering Industries Private Limited (MEI) has been in the auto ancillary industry, for about four decades. The company was founded in Chennai, India in 1966, to manufacture various machined components for automotive industry.

1982: MEI started manufacturing manual slack adjusters and parts for air brake systems for light, medium and heavy commercial vehicles.

2000: MEI started exporting Automatic Slack adjusters to United Kingdom, Europe, the United States of America, Canada, the Middle East, Africa, Australia, New Zealand and Southeast Asia.

2004: MEI became a Tier I supplier of manual slack adjusters to major OEMs in India .

2007: MEI became the first Indian corporate to indigenously develope and patent self setting automatic slack adjusters and commenced supplies to all the OEMs in India with a market share of over 70%.

MEI Operates from three locations in Chennai, India and all the plants are accredited with TS 16949 – 2000 and TS 14001 – 2000 by TUV Germany and the R&D centre is located at IITM Res Park.

  • Plant I –  Ambattur Industrial Estate
  • Plant II –  Maraimalai Nagar
  • Plant III –  Mahindra World City (SEZ)
  • R & D Centre –  IITM Res Park


  • Mr. E.K. Parthasarathy, Chairman and Managing Director
  • Mrs. Radha Parthasarathy, Director
  • Mr. Sriram Sivaram, Director
  • Mrs. Priya Sriram, Director
  • Mr. Sanjay Parthasarathy, Director


Managed by a professional team of managers, having rich experience in the fields of Design, Development, Quality, Marketing and Manufacturing from the auto Industry.


Incorporated to manufacture automotive components.
Commercial production of Manual Slack Adjusters for light, medium and heavy commercial vehicles.
Developed Automatic Slack Adjusters for light, medium and heavy commercial vehicles for Global market.
Indigenously designed, developed and manufactured Self Setting Automatic Slack Adjusters (SASA) for Domestic and Global markets and patented.
* Production of Self Setting Automatic Slack Adjusters for   domestic applications.
* Inauguration of 3rd plant at Mahindra World City SEZ for   manufacture of Automatic Slack Adjusters for Global Market.
* Established state-of-the-art R & D Facility at IITM res Park,   Chennai and is recognised by the DSIR, Ministry of Science &   Technology, Government of India.



Establish as a leading global player in commercial vehicle braking system components with a significant presence in National and International OEM and replacement markets.


Gain a leading market share globally by achieving global standards in

  • Product Technology
  • Process Technology
  • Quality