
| Tuticorin Port Trust | ![]() |
| Paradip Port Trust | ![]() |
| National Dairy Development Board | ![]() |
| Mather & Platt Private Limited | |
| Macawber Beekay Pvt Ltd | ![]() |
| Thermax Instrumentation Limited | ![]() |
| Toyota Boshoku Automotive India Pvt Ltd | |
| Metropolitan Transport Projects (Railways)/Chennai | |
| Care India (An NGO Organisation) | |
| MARG Limited | |
| Public Works Department (PWD) | ![]() |
| Indian oil Corporation Limited (IOCL) | ![]() |
Visakhapatnam Port Trust |
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| Engineering Projects India Limited | ![]() |
| Indian Tourism Development Corporation | ![]() |
| Kirloskar Brothers Limited | ![]() |
| Tecton Engineering & Constructions | |
| Chennai Container Terminal Pvt Ltd | |
| State Programming Implementation Unit (Andaman Government) | |
| Tamil Nadu Maritime Board (Govt. of Tamil Nadu) | ![]() |
| National Institute of Ocean Technology | ![]() |
| Indian Railways | ![]() |
| Nuclear Fuel Complex (Department of atomic energy) | |