| ACME TELE POWER, Tamilnadu |
| AIRCEL CELLULAR LIMITED, Tamil Nadu & kerala |
| ASTER TELE SERVICE, Kerala |
| CASTROL INDIA |
| CHENNAI PETROLEM CORPORATION LIMITED.Chennai |
Cosmopolitan Club |
DHALAL MOTT |
| DIGITAL LINKS , Chennai |
| EDAC Engineering |
ELCOT, factory & Office, Chennai |
| Voltas, Chennai |
| FOLIAGE CHEMICALS, Chennai |
| MaC Lellan, Chennai & Coimbatore |
GANNON & DUNKERLY CO. LIMITED, Karnataka |
| GLOBAL TELE LIMITED (GTL) / GLOBAL TELE INFRA SERVICES (GIS) |
| H I E T, Chennai
|
HYUNDAI CORPORATION, Irunkattukottai |
| IDEA, Kerala |
| INDIAN OVERAEAS BANK (IOB) |
| JMC PROJECTS INDIA LIMITED. Andhrapradesh & Tamil Nadu |
| TOWER ANALYTICS, Andhrapradesh |
| TOWER VISION. Chennai |
|
| Johnson Controls India (JCI) |
Jones Lang LaSalle (JLL) |
| LIPI DATA, Chennai |
| MGM |
| O N G C, Karaikal |
| P W D, Tanjore |
| RELIANCE INDUSTRIES LIMITED, Chennai |
| RELIANCE INFRA COMMUNICATIONS, Chennai & whole of tamil Nadu |
| RELIANCE INFRATEL LIMITED. Tamil Nadu, Kerala & Karnataka |
| RENOWNED ENGINEERING, Chennai |
| DIGITAL LINKS , Chennai |
| SANDVIK ASIA, Chennai |
| SMALL INDUSTRIES DEVELOPMENT BANK OF INDIA (SIDBI) |
| SPIC. Chennai & Tuticorin |
| STATE BANK OF MYSORE. Chennai |
| STERLITE INDUSTRIES (INDIA) LIMITED. Tuticorin |
| SUN DIRECT, Chennai |
| TAMILNADU CEMENT CORPORATION, Chennai |
| TAMILNADU SALT CORPRATION, Chennai |
| TATA TELESERVICES, Kerala |
| TECHNIP INDIA LIMITED, Chennai |
| TVSICS, Tamilnadu |
| Zirconium Fuel Complex, Pazhayakayal
|
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