| Water | Air | Name & Address of the Industry | Office / DEE | Type of Unit | Category | Date of Issue of Consent Order | Validity |
| 0622[10-10] | 631[10-10] | M/s. Blow Packaging India Limited Unit-I S.F. No. 133P, Ambattur Village Plot No 271,Sidco Industrial Estate. Np, Ambattur, Chennai-98 | Ambattur | Packaging | Orange - Medium | 07-10-2010 | 31-03-2012 |
| 622[10-10] | 627[10-10] | M/s. Blow Packaging India Limited Unit-II S.F. No. 836P, Korattur Village Plot No 55D Sidco Industrial Estate. Np Ambattur, Chennai-98 | Ambattur | Packaging | Orange - Medium | 08-10-2010 | 31-03-2012 |
| 785[10-10] | 787[10-10] | M/s. Blow Pet Private Limited S.F. No. 140P Pattravakkam Village Plot No 283, Sidco Industrial Estate. Np, Ambattur, Chennai-98 | Ambattur | Packaging | Orange - Small | 07-10-2010 | 30-09-2012 |
| 644[10-10] | 847[10-10] | M/s. Blow Plast Industries S.F. No. 926, Korattur Village Plot No 403, Sidco Industrial Estate. Np, Ambattur, Chennai-98 | Ambattur | Plastic | Orange - Medium | 07-10-2010 | 31-03-2012 |
| 1151[10-10] | 1163[10-10] | M/s. Devi Polymers Private Ltd Unit A Plot No-D 28 Ambattur Industrial Estate Chennai - 600058 | Ambattur | Orange - Large | 05-10-2010 | 31-03-2012 | |
| 21875[10-10] | 17914[10-10] | M/s. GRG Metal Finishers S.F. No. 31 A Sidco Industrial Estate(Np) Ambattur, Chennai 98 | Ambattur | Metal | Red - Small | 13-10-2010 | 30-06-2011 |
| 17826[10-10] | 13945[10-10] | M/s. Hi-Thermal Process S.F. No. 945P Plot No31A/11, Sidco Industrial Estate (Np) Ambattur, Chennai-98 | Ambattur | Orange - Small | 12-10-2010 | 30-09-2012 | |
| 18761[10-10] | 14835[10-10] | M/s. Jai Mangalraj S.F. No. 68 Ayanambakkam Village Ambattur Taluk Tiruvallur District | Ambattur | Red - Small | 27-10-2010 | 30-06-2012 | |
| 927[10-10] | 930[10-10] | M/s. Kannan Marine Foods S.F. No. 50/4, Sundara Cholapuram Village Ambattur Taluk Tiruvallur District | Ambattur | Foods | Orange - Small | 27-10-2010 | 30-09-2012 |
| 9473[10-10] | 6727[10-10] | M/s. S.Karthik Kumar & Co S.F. No. 97 & 108 Nerkundram Village Ambattur Taluk Tiruvallur District | Ambattur | Orange - Small | 07-10-2010 | 30-09-2014 | |
| 21701[10-10] | 17739[10-10] | M/s. Madavaram Municipality (Gasifier Crematorium) S.F. No. 396 Madhavaram Village Ambattur Taluk Tiruvallur District | Ambattur | Municipality | Orange - Small | 05-10-2010 | 30-06-2011 |
| 1129[10-10] | 1141[10-10] | M/s. Micro CNC Technologies Pvt Ltd S.F. No. 15 Plot No 15-D Sidco Industrial Estate Ambattur, Chennai-98 | Ambattur | Technologies | Orange - Medium | 15-10-2010 | 31-03-2012 |
| 7110[10-10] | 4656[10-10] | M/s. PS Power Controls S.F. No. 72/1 Porur Village Ambattur Taluk Tiruvallur District | Ambattur | Power | Orange - Small | 05-10-2010 | 30-09-2014 |
| 687[10-10] | 690[10-10] | M/s. Sakthi Containers Private Limited S.F.No.135P, Pattravakkam Village Plot No 269 Sidco Industrial Estate. Np Ambattur, Chennai - 600 098 | Ambattur | Containers | Orange - Small | 11-10-2010 | 31-03-2012 |
| 1581[10-10] | 434[10-10] | M/s. Sri Dandapani Manure Works S.F. No. 96,98 & 99 Nerkundram Village Ambattur Taluk Tiruvallur District | Ambattur | Orange - Small | 07-10-2010 | 30-09-2014 | |
| 691[10-10] | 694[10-10] | M/s. Surai Precision Engineering Works Pvt Ltd Plot No 26-B7, Sidco Industrial Estate Np Ambattur, Chennai-98 | Ambattur | Orange - Small | 20-10-2010 | 30-09-2012 | |
| 1147[10-10] | 1159[10-10] | M/s. Vasan Publications Pvt Ltd S.F. No. 9P Ambattur Village Plot No 99, Sidco Industrial Estate Ambattur Chennai-98 | Ambattur | Publications | Orange - Large | 12-10-2010 | 31-03-2012 |