| Water | Air | Name & Address of the Industry | Office/ DEE | Type of Unit | Category | Date of issue of Consent Order | Validity |
| 1031 | 1036 | M/S. HEAVY WORK SHOPS (CHENNAI PORT TRUST), S.F No.1802/1, Tondiarpet Village, Fort – Tondiarpet Taluk, Chennai District | Chennai | Work Shops | Orange - Medium | 17-08-2010 | 31-03-2011 |
| 1030 | 1035 | M/S. CENTRAL WORK SHOP (CHENNAI PORT TRUST), S.F No.4212/4, Tondiarpet Village, Fort – Tondiarpet Taluk, Chennai District | Chennai | Work Shops | Orange - Medium | 17-08-2010 | 31-03-2011 |
| 1038 | 1038 | M/S. METAL DECORATORS, Block No. 2, Arulampet, Guindy -Saidapet Road, Guindy, Chennai District | Chennai | Metal | Orange - Small | 25-08-2010 | 31-03-2011 |
| 1026 | 1031 | M/S. RMC READYMIX (INDIA), (A Division of PRISM Cement Limited) S.No. 225, Perambur Village, 4,5,6 & 7 Stephenson Road, Perambur, Chennai District | Chennai | Readymix | Orange - Small | 26-08-2010 | 31-03-2011 |
| 1032 | 1037 | M/S. VERIZON DATA SERVICES INDIA PRIVATE LIMITED, No. 22, Sardar Patel Road, Guindy, Guindy – Mambalam Taluk, Chennai District | Chennai | Data Services | Orange - Large | 24-08-2010 | 31-03-2011 |
| 1022 | 1027 | M/S. ASIA PLASTICS, 4/11, Rajarajan Street, Visalakshi Nagar, Ekkaduthangal, Guindy - Mambalam Taluk, Chennai District | Chennai | Plastics | Orange - Small | 15-07-2010 | 31-03-2011 |
| 1028 | 1033 | M/S. CARNATION AUTO INDIA PRIVATE LIMITED, S.F.No. 69, 70, 71 & 76, Parts of Block No. 6, A15/16, Thiru-Vi-Ka-Industrial Estate, Guindy, Guindy-Mabalam Taluk, Chennai District | Chennai | Auto | Orange - Large | 30-07-2010 | 31-03-2011 |
| - | 1029 | M/S. MADRAS HOTEL ASHOKA PRIVATE LIMITED, S.F.No. 33, Egmore Village, Egmore-Nungambakkam Taluk, Chennai District | Chennai | Hotel | Orange - Medium | 16-07-2010 | 31-03-2011 |
| - | 1028 | M/S. JAYAM NURSING HOME, S.F.No. 3667 9thBlock, 50, Tondiarpet Village, Fort-Tondiarpet, Chennai District | Chennai | Nursing Home | Red - Small | 08-07-2010 | 31-03-2011 |
| 1020 | 1025 | M/S. CEEBROS HOTELS PRIVATE LIMITED, No. 636, Anna Salai, Teynampettai, Chennai District | Chennai | Hotel | Orange - Large | 15-07-2010 | 31-03-2011 |
| 1025 | - | M/S. L.A. CASTLE, Old No. 20A(1), New No. 207-A, Jawaharalal Nehru Road, Koyambedu, Chennai District | Chennai | Castle | Orange - Medium | 19-07-2010 | 31-03-2011 |
| 1023 | - | M/S. JAYAM NURSING HOME, S.F.No. 3667 9thBlock, 50, Tondiarpet Village, Fort-Tondiarpet, Chennai District | Chennai | Nursing Home | Red - Small | 08-07-2010 | 31-03-2011 |
| 1024 | - | M/S. MADRAS HOTEL ASHOKA PRIVATE LIMITED, S.F.No. 33, Egmore Village, Egmore-Nungambakkam Taluk, Chennai District | Chennai | Hotel | Orange - Medium | 16-07-2010 | 31-03-2011 |
| 986 | - | M/S.JAYAM AUTOMOBILES, No. 14 Nagendra Nagar, Velachery Main Road, Guindy – Mambalam Taluk, Chennai District | Chennai | Automobiles | Orange - Small | 17-07-2009 | 31-03-2010 |
| 1014 | 1018 | M/S. SATHISH KUMAAR DHALL MILL, S.F. No. 3941/20, Tondiarpet Taluk, Chennai District | Chennai | Dhall Mill | Orange - Small | 07-05-2010 | 31-03-2012 |
| 957 | 963 | M/S. SCOPE INTERNATIONAL PRIVATE LIMITED., New R.S. No. 89, Old S.No. 431, No. 1, Haddows Road, Nungambakkam, Egmore-Nungambakkam Taluk, Chennai District | Chennai | Private | Orange - Large | 12-05-2010 | 31-03-2012 |
| - | 1022 | M/S. THE CHENNAI PORT TRUST IND EMPLOYEES CANTEEN, S.F. No.1802/1, Tondiarpet Village, Fort – Tondiarpet Taluk, Chennai District | Chennai | Canteen | Orange - Small | 01-06-2010 | 31-03-2011 |
| 1016 | - | M/S. C.K. REFINARY, T.S. No. 5445 (B. No. 125) Mangesh Street, T. Nagar Village, Guindy-Mambalam Taluk, Chennai District | Chennai | Refinary | Red - Small | 26-04-2010 | 31-03-2011 |
| 1013 | 1017 | M/S. MPS MACMILLAN COMPANY, S.No. 1545/1, and 1545/19 Eldams Road, Teynampet Village, Mylapore-Triplicane Taluk, Chennai District | Chennai | Company | Orange - Medium | 26-04-2010 | 31-03-2011 |
| 1009 | 1013 | M/S. SOUDHAMINI DHALL MILL, S.F. No. 3899, Tondiarpet Taluk, Chennai District | Chennai | Dhall Mill | Orange - Small | 06-04-2010 | 31-03-2011 |
| 1010 | 1014 | M/S. SARAVANA KUMAR, S.F. No. 3957, Tondiarpet Village, Fort-Tondiarpet Taluk, Chennai District | Chennai | Orange - Small | 06-04-2010 | 31-03-2012 | |
| 1011 | 1015 | M/S. SRI PERIYANDAVAR DHALL MILL, S.F.No. 3941-65 Select Village, Fort-Tondiarpet Taluk, Chennai District | Chennai | Dhall Mill | Orange - Small | 06-04-2010 | 31-03-2011 |
| 1006 | 1010 | M/S. SEABASE INTERNATIONAL, S.F.No. 651, Tondiarpet Village, Fort - Tondiarpet Taluk, Chennai District | Chennai | Orange - Large | 24-03-2010 | 31-03-2011 | |
| 441 | - | M/S. SRI C.M.D. PLASTICS, 47, Alagirisamy 5th Street, Periyar Nagar, Vyasarpadi, Perambur-Purasawakkam Taluk, Chennai District | Chennai | Plastics | Orange - Small | 25-03-2010 | 30-09-2012 |
| 1002 | 1006 | M/S. ESSILOR INIDA PVT. LTD., Plot No. 14A (S.P) TVK Industrial Estate, Guindy Village, Guindy-Mambalam Taluk, Chennai District | Chennai | Private | Orange - Large | 18-02-2010 | 31-03-2011 |
| 1004 | 1008 | M/S. ABASI ENGINEERING WORKS, No. 764, I – 18, Industrial Estate, Vyasarpadi Village, Perambur – Purasaiwakkam Taluk, Chennai District | Chennai | Engineering | Orange - Small | 23-02-2010 | 31-03-2010 |
| 1005 | 1009 | M/S. J.J. POLYMERS, S.F.No. 3800, Tondiarpet Village, Fort-Tondiarpet Taluk, Chennai District | Chennai | Polymers | Orange - Small | 22-02-2010 | 31-03-2010 |
| 1003 | 1007 | M/S.HOYA LENS INDIA PVT. LTD., No. 47A, North Phase, SIDCO Industrial Estate, Ekkduthangal Village, Guindy – Mambalam Taluk, Chennai District | Chennai | Private | Orange - Medium | 18-02-2010 | 31-03-2011 |
| 993 | 997 | M/S. SAIRAM SNACKS, Periapalli Street, Mandaveli Village, Mylapore – Triplicane Taluk, Chennai District | Chennai | Snacks | Orange - Small | 18-02-2010 | 31-03-2010 |
| 1000 | 1004 | M/S. KARTHIK ENGINEERING, TS No. 15, Part, Ekkduthangal Village, Guindy – Mambalam Taluk, Chennai District | Chennai | Engineering | Orange - Medium | 21-01-2010 | 31-03-2011 |
| 998 | 1002 | M/s. EAGLE PRESS PRIVATE LIMITED, S.F. No.3057, Tondiarpet Village, Fort – Tondiarpet Taluk, Chennai District | Chennai | Press | Orange - Large | 21-12-2009 | 31-03-2010 |
| 997 | - | M/S.ARUN BALAJI PLASTICS, West Jones Road, West Saidapet Village, Guindy – Mambalam Taluk, Chennai District | Chennai | Plastics | Orange - Small | 04-12-2009 | 31-03-2010 |
| 998 | 997 | M/S.SAIRAM SNACKS, MANDAVELI VILLAGE, MYLAPORE-TRIPLICANE TALUK Chennai District | Chennai | Snacks | Orange - Small | 12-11-2009 | 31-03-2010 |
| 989 | 993 | M/S. MILTON ROY INDIA (P) LIMITED, No. 23, Developed Plot, Guindy Village, Guindy – Mambalam Taluk, Chennai District | Chennai | Private | Green - Medium | 26-10-2009- | 31-03-2011 |
| 985 | 989 | M/s. BALAJI POLYCANS, No. 7, 5th Cross Street, Venkateswara Colony, Kodungaiyur Village, Fort – Tondiarpet Taluk, Chennai District | Chennai | Polycans | Orange - Small | 23-09-2009 | 31-03-2011 |