02. Bharat Heavy Electricals Ltd., Boiler Auxillary Plant, Ranipet.

03. Devi Polymers P Ltd., Ekattuthangal, Chennai 97.

04. Devon Machines Ltd.,Sidco Ind Estate, Ambattur,Chennai 98.

05. Electro Steel Limited., Chennai 45.

06. F. L. Smidth, Chennai.

07. Bhavini - Kalpakkam

08. ITD Cementation Ltd, Mumbai.

09. K.C.P. Ltd., Tiruvottiyur Chennai 19.

10. Lanco Industries Limited, Kalahasthi.

11. Lonestar Industries, Chennai.

12. L & T Ltd., (ECC -Workshop), Ramapuram, Chennai.

13. Larsen & Toubro Ltd, Chennai.

14. MRF Ltd, Chennai.

15. N.E.G Micon Ltd., Kandanchawadi, Chennai.

16. Soutern Railways

17. Spic-Jel Construction Ltd., Chennai

16. Tube Products Of India, Avadi.

17. Vaaas Industries Ltd., Perungudi, Chennai 96.