- Solara Active Pharma Science Lmt -Pondicherry
- Tagros Chemicals Pvt Ltd – Cuddalore
- Asian Paints - Cuddalore
- Clariant Chemicals Private Limited
- Pioneer Chemicals Private Limited
- Abirami Power Soap Company – Pondicherry
- Chemplast Sanmar Limited –Cuddalore / Mettur
- Cochin Minerals And Rutile Ltd – Kochi
- Common Effluent Plant – Tirupur
- Coromantel Fertilizer – Ennore
- EID PARRY – Cuddalore
- GGK Acids Ltd – Pondicherry
- GPL – Paradip
- Lucus Tvs – Chennai
- Lakshmi Machine Works – Coimbatore
- MRL Power Corp -Karaikkal / New Delhi
- Orissa Paradip Urea - Cuttack
- PPCL – Karaikkal
- Pioneer Gellice India Ltd – Cuddalore
- Renult Nissan – Chennai
- Samtel color ltd – kota
- Sterilite industries – tuticorin
- Tanfac – cuddalore
- UEM india ltd – tiruppur
- Vardhaman life sciences – cuddalore
