- Tata Projects Limited
- Tata Chemicals Limited
- Larsen & Toubro Limited(HED) Hazira Surat
- Larsen & Toubro Limited (ECC)
- L&T MHI Turbine Limited
- L&T MHI Boiler Limited
- L&T Special Steel Heavy Forging Limited
- Reliance Industries Limited Hazira
- Essar Steel Limited
- Crain Energy Limited
- Lanco Infra Limited
- Ganan Drankey Limited
- GAIL India Limited, Hazira
- Torrent Pharma Limited, Dahej
- ISGEC, Dahej
- Sajel Glass Limited Jagadia
- Gulbrandsen Limited, Jagadia
- Piramal Glass Limited, kosmaba
- Gujarat flourchamical Limited, Dahej
- Jai Bharat Dying & Printing Mills P Ltd
- Deepmala Dying & Printing Mills P Ltd
- Priya Dying & Printing Mills P Ltd
- Gokulanand Petro, Sachin