- Frontier Lifeline Pvt. Ltd SEZ, Thiruvallur.
- L&T Shipbuilding Limited SEZ, Thiruvallur.
- Integrated Chennai Business Park SEZ, Thiruvallur.
- NDR Infrastructure Pvt. Ltd. SEZ, Thiruvallur.
- Venkatesh Coke&Power Limited SEZ, Thiruvallur.
- Gateway Office Parks Pvt. Ltd. SEZ, Chennai.
- Tril Infopark Limited SEZ, Chennai.
- Perungudi Real Estates Pvt. Ltd. SEZ, Chennai.
- Larsen & Turbo Limited SEZ, Chennai.
- Fluxtronics Technologies India Pvt. Ltd. SEZ, Kancheepuram.
- Syntel International Pvt. Ltd. SEZ, Kancheepuram.
- IG3 Infra Limited SEZ, Kancheepuram.
- DLF Info City Chennai Limited SEZ, Kancheepuram.
- SIPCOT SEZ Sriperumbudur, Kancheepuram.
- SIPCOT SEZ Oragadam, Kancheepuram.
- J Matadee Free Trade Zone Pvt. Ltd. SEZ, Kanchipuram.
- Jay Gee Hitech Infraventures Pvt. Ltd. SEZ, Kanchipuram.
- Nokia India Prt. Ltd. SEZ, Kanchipuram.
- Mahindra World City Developers Limited SEZ, Chengalpattu.
- Tata Consultancy Services Limited SEZ, Chengalpattu.
- Hexaware Technologies Limited SEZ, Chengalpattu.
- ELCOT SEZ, Sholingnallur
- Estancia IT Park Pvt. Ltd. SEZ, Chengalpattu.
- ETA Technopark Pvt. Ltd. SEZ, Chengalpattu.
- New Chennai Township Pvt. Ltd. SEZ, Chengalpattu
- Congnizant Technology Solutions India Pvt. Ltd. SEZ, Chengalpattu.
- SNP Infrastructure LLP SEZ, Chengalpattu.
- Platinum Holdings Pvt. Ltd. SEZ, Chengalpattu.
- Infosys Limited SEZ, Chengalpattu.
- Tata Consultancy Service Limited SEZ, Chengalpattu
- Ceyyar SEZ Developers Pvt. Ltd., Villupuram.
- Lotus Footwear Enterprises Limited.
- SIPCOT SEZ, Kallakurichi.
- SIPCOT SEZ, Ranipet.
- SIPCOT SEZ Panapakkam, Ranipet.
- NDR Infrastructure Pvt. Ltd., Ranipet.
- Electronics Corporation of Tamilnadu limited, Thiruchirapalli.
- Electronics Corporation of Tamilnadu limited, Salem.
- SIPCOT SEZ Perundurai, Erode.
- IG3 Infra Limited, Erode.
- Coimbatore Hitech Infrastructure Pvt. Ltd. Coimbatore.
- Electronics Corporation of Tamilnadu limited, Coimbatore.
- Span Ventures Pvt. Ltd., Coimbatore.
- Suzion Infrastructure Limited, Coimbatore.
- Electronics Corporation of Tamilnadu limited, Krishnagiri.
- SIPCOT SEZ Bargur, Krishnagiri.
- Cheyyar SEZ Developers Pvt. Ltd., Krishnagiri.
- Delta Electronics India Pvt. Ltd., Krishnagiri.
- Rudradev Township Pvt. Ltd., Madurai.
- Electronics Corporation of Tamilnadu limited Ilandhikulam, Madurai.
- Electronics Corporation of Tamilnadu limited Vadapalanji, Madurai.
- CCCL Infrastructure Limited, Tuticorin
- Sterlite Industies Limited, Tuticorin
- SIPCOT SEZ, Thirunelveli.
- AMRL Health City Limitted, Thirunelveli.
- Electronics Corporation of Tamilnadu limited, Thirunelveli.
- Mineral Private Organization, Thirunelveli.
- PIPDIC SEZ, Puducherry.
- Oulgaret Municipality SEZ, Puducherry.
Tamil Nadu Andaman & Nicobar Islands and Pondicherry (SEZs & HEOUs)
Office of Zonal Development Commissioner
