Operation & Maintanance RO Plants, ETP & STP Plants
| Client | Location | Sector |
| B.J. Expo Pvt Ltd | Chennai | Textile |
| B.J. Textiles Company Ltd | Naidupet | Textile |
| Victus Dyeings | Tirupur | Textile |
| Summer India Textiles Mills (P) Ltd | Thiruchengode | Textile |
| KPR Mill Ltd | Perundurai | Textile |
| Divya Dyeing | Tirupur | Textile |
| M P Shantex | Perundurai | Textile |
| Prudential Sugar Corporation Limited | Puthoor | Textile |
| Indian Stitches Pvt Ltd | Perundurai | Textile |
| Sri Veen Bleaching | Tirupur | Textile |
| Thirumala Bleaching | Tirupur | Textile |
| Allwin Exports | Tirupur | Textile |
| APR Apparels & Printing Division | Tirupur | Textile |
| GT Processors | Tirupur | Textile |
| Exim Knits (P) Ltd | Perundurai | Textile |
| Bangalore baby wear (P) Ltd | Tirupur | Textile |
| Maniams Bleaching | Tirupur | Textile |
| Sri Valarmathi Bleaching | Tirupur | Textile |
| Sri Shanmuga Bleaching | Tirupur | Textile |
| Muthu Bleaching | Tirupur | Textile |
| P R Processing | Tirupur | Textile |
| Beejas Bleaching | Tirupur | Textile |
| Noga Bleaching | Tirupur | Textile |
| Dhanalakshmi Bleaching | Tirupur | Textile |
| Sri Thangaman Bleaching | Tirupur | Textile |
| Velkumar Bleaching | Tirupur | Textile |
| Sindhu Bleaching | Tirupur | Textile |
| S.P. Apparels Ltd | Perundurai | Textile |
| Augustan Textile Colours Limited | Palakkad | Textile |
| Sri Venkatesa Processors Ltd | Madathukulam | Textile |
| VSG Lunghi P Ltd | Nemali | Textile |
| PMP Lunghi P Ltd | Sholingar | Textile |
| PMP Lunghi P Ltd | Nemili | Textile |
| NKS Lungi Company | Thiruvallur Dist. | Textile |
| Kela & Co | Kaveripakkam | Textile |
| Geena Garments | Udumalaipet | Textile |
| APR Apparels Dyeings & Printing Division | Tirupur | Textile |
| Bangalore Baby Wear Co.(P) Ltd | Bangalore | Textile |
| Cuthbert’s Baby Wear India Pvt Ltd | Bangalore | Textile |
| B.J. Expo Pvt Ltd | Chennai | Textile |
| B.J. Textiles Company Ltd | Chennai | Textile |
| S.P. Apparels Ltd | Coimbatore | Textile |
| Phoenix Manufacturers & Exports | Tirupur | Textile |
| Al – lan Tex Knit Processing | Tirupur | Textile |
| Sri Saravana Spinning Mills Pvt Ltd – Nitin Exports | Dindigul | Textile |
| Sri Saravana Spinning Mills Pvt Ltd | Vedasandur | Textile |
| SSM Fine Yarns – Processing Unit | Vatlaguntu | Textile |
| Augustan Textile Colours Limited | Palakkad | Textile |
| Hindustan Lungi Company | Gudiyatham | Textile |
| Ion Techniques | Dindigul | Textile |
| Hasbro Clothing Company Pvt Ltd | Chennai | Textile |
| Victus Dyeings | Tirupur | Textile |
| Summer India Textiles Mills (P) Ltd | Thiruchengode | Textile |
| M P Shantex | Tirupur | Textile |
| B J Textiles Company Ltd | Naidupet | Textile |
| VSG Lungi Company | Nemali | Textile |
| PMP Lungi Private Limited | Sholingar | Textile |
| Kela and Co | Kaveripakkam | Textile |
| NKS Lungi Company | Nagari | Textile |
| NKS Lungi Company | Thiruvallur Dist. | Textile |
| Indian Stitches Pvt Ltd | Tirupur | Textile |
| Frontline Exports Pvt Ltd | Aroor | Textile |
| Summer India Textiles Mills (P) Ltd | Thiruchengode | Textile |
| Universal fabrics Limited | Mauritius | Textile |
| Gangotri Textiles Limited | Perundurai | Textile |
| Concorde Textiles | Chennai | Textile |
| Cotton Blossoms India Pvt Ltd | Tirupur | Textile |
| Polycrest innovation India Pvt Ltd | Tirupur | Textile |
| Indian Stitches Pvt Ltd | Tirupur | Textile |
Operation & Maintanance RO Plants, ETP & STP Plants
| Kaleesuwari Refineries Pvt Ltd | Chennai | Heavy Industry |
| Kaleesuwari Refineries Pvt Ltd | Palani | Heavy Industry |
| Kaleesuwari Refineries Pvt Ltd | Tumkur | Heavy Industry |
| Kaleesuwari Techbio Refinery Pvt Ltd | Periyapalayam | Heavy Industry |
| SAC Engine Components Pvt Ltd | Gummudipoondi | Heavy Industry |
| G P Coating | Chennai | Heavy Industry |
| Rambal Ltd | Thiruporur | Heavy Industry |
| Ramind Cold Forge Ltd | Wallajah | Heavy Industry |
| Glossy & Mat | Chennai | Heavy Industry |
| TMTE Metal Tech P Ltd | Chennai | Heavy Industry |
| Govan Industries I (P) Ltd | Sriperumbudur | Heavy Industry |
| Cethar Industries Ltd | Kandarvakottai | Heavy Industry |
| Cethar Ltd | Viralimalai | Heavy Industry |
| Cethar Ltd | Alundur | Heavy Industry |
| Cethar Ltd | Pulivalam | Heavy Industry |
| Cethar Ltd | Kandarvakottai | Heavy Industry |
| Cethar Ltd | Viralimalai | Heavy Industry |
| Kaleesuwari Techbio Refinery Pvt Ltd | Periyapalayam | Heavy Industry |
| The Ramco Cements Limited | Ariyalur | Heavy Industry |
| The Ramco Cements Limited | Valapady | Heavy Industry |
| The Ramco Cements Limited | RR Nagar | Heavy Industry |
| India Meters | Chennai | Heavy Industry |
| TamilNadu Alkaline Batteries Limited | Chennai | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant I | Gummudipoondi | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant II | Gummudipoondi | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant V | Gummudipoondi | Heavy Industry |
| Vaikundam Plantations Limited | Marthandam | Heavy Industry |
| Siemens Gamesa Renewable Power Pvt Ltd | Mamandur | Heavy Industry |
| Siemens Gamesa Renewable Power Pvt Ltd | Nellore | Heavy Industry |
| Danblock Brakes India Pvt Ltd | Gummudipoondi | Heavy Industry |
| The Ramco Cements Limited | Alathiyur | Heavy Industry |
| The Ramco Cements Limited | Pandalgudi | Heavy Industry |
| The Ramco Cements Limited | R R Nagar | Heavy Industry |
| The Ramco Cements Limited | R S R Nagar | Heavy Industry |
| The Ramco Cements Limited | Valapady | Heavy Industry |
| Kaleesuwari Refineries (P) Ltd | Chennai | Heavy Industry |
| Kaleesuwari Refineries (P) Ltd | Palani | Heavy Industry |
| Kaleesuwari Refineries (P) Ltd | Tumkur | Heavy Industry |
| Kaleesuwari Techbio Refinery Pvt Ltd | Periyapalayam | Heavy Industry |
| Cethar Ltd | Thanjavur | Heavy Industry |
| G D R Industries | Sathankulam | Heavy Industry |
| Kemia Industries Ltd | Chennai | Heavy Industry |
| Prima Industries Ltd | Palakkad | Heavy Industry |
| Ashok Leyland Ltd | Chennai | Heavy Industry |
| Govan Industries (I) Pvt Ltd | Chennai | Heavy Industry |
| Suvire Electricals Pvt Ltd | Sriperumbudur | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant I | Gummudipoondi | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant II | Gummudipoondi | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant III | Gummudipoondi | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant IV | Gummudipoondi | Heavy Industry |
| SAC Engine Components Pvt Ltd – Plant V | Gummudipoondi | Heavy Industry |
| Precitek Components Pvt Ltd | Sriperumbudur | Heavy Industry |
| Kaleesuwari Refineries Pvt Ltd | Chennai | Heavy Industry |
| Kaleesuwari Refineries Pvt Ltd | Palani | Heavy Industry |
| Kaleesuwari Refineries Pvt Ltd | Tumkur | Heavy Industry |
| Kaleesuwari Techbio Refinery Pvt Ltd | Periyapalayam | Heavy Industry |
| The Ramco Cements Limited | Ariyalur | Heavy Industry |
| The Ramco Cements Limited | Alathiyur | Heavy Industry |
| Lucas-Tvs Ltd – Padi | Chennai | Heavy Industry |
| Mattapally Laxmi Narasimha Industries | Nalagonda | Heavy Industry |
| Siemens Gamesa Renewable Energy Pvt Ltd | Nellore | Heavy Industry |
| The Ramco Cements Ltd | Ariyalur | Heavy Industry |
| The Ramco Cements Ltd | Alathiyur | Heavy Industry |
| Danblock Brakes India Pvt Ltd | Gummudipoondi | Heavy Industry |
Operation & Maintanance RO Plants, ETP & STP Plants
| Techno Enviro Consultants | Chennai | Environmental |
| Delta Agro Chemicals Limited | Andrapradesh | Environmental |
| Greentech Industries India Pvt Ltd | Naidupet | Environmental |
| Andaman Bottling Company | Andaman | Environmental |
| Aqua Crystal inc | Bangalore | Environmental |
| C M Krishnaswamy & Co | Chennai | Environmental |
| Janani Mineral Water (P) Ltd | Gudiyatham | Environmental |
| Pure Enviro Sciences (P) Ltd | Chennai | Environmental |
| Pure Mineral Water (P) Ltd | Nagarcoil | Environmental |
| Rainbow Water Treatment Works | Sattur | Environmental |
| Regency Ceramics Ltd | Karaikkal | Environmental |
| Sun Water Works | Sattur | Environmental |
| Sukruta Agencies | Bangalore | Environmental |
| Sivamas Enviro Consultants | Tirunelveli | Environmental |
| Triveni Mineral Water (P) Ltd | Salem | Environmental |
| Thendral Mineral Water (P) Ltd | Paramakudi | Environmental |
| U V Enterprises | Chennai | Environmental |
| Meenakshi Minerals (P) Ltd | Bangalore | Environmental |
| Baba Minerals (P) Ltd | Bangalore | Environmental |
| Techno Doors Pvt Ltd | Sriperumbudur | Environmental |
| Enviro Science Pvt Ltd | Chennai | Environmental |
| Ion Technique | Dindigul | Environmental |
| Meenakshi Minerals Pvt Ltd | Bangalore | Environmental |
| Baba Minerals Pvt Ltd | Bangalore | Environmental |
| Vaikundam Plantations Limited | Thiruvananthapuram | Environmental |
| Naim Water – Treatments Company | Somalia | Environmental |
Operation & Maintanance RO Plants, ETP & STP Plants
| Madras Medical Mission Hospital | Chennai | Hospital |
| Chennai Medical College Hospital & Research Centre | Trichy | Hospital |
| SRM Urban Health Centre | Chengalpet | Hospital |
| Mahatma Gandhi Medical Collage | Puducherry | Hospital |
| Shri Sathya Sai Medical College and Hospital | Thiruporur | Hospital |
| Frontier Mediville | Gummudipoondi | Hospital |
| Frontier Life line | Tirupur | Hospital |
| Sri Manakula Vinayagar Medical College & Hospital | Puducherry | Hospital |
| Velammal Medical College Hospital | Madurai | Hospital |
| Sri Venkateswara Medical College & Hospital | Puducherry | Hospital |
| Madras Medical Mission Hospital | Chennai | Hospital |
| Panimalar Medical College Hospital and Reseach Institute | Chennai | Hospital |
| Arunai Medical College and Hospital | Thiruvannamalai | Hospital |
| Madras Medical Mission | Chennai | Hospital |
| Mahatma Gandhi Medical College | Puducherry | Hospital |
| St. Isabella Hospitals | Chennai | Hospital |
| Sri Devaraj Urs Medical College & Hospitals | Kolar | Hospital |
| Pondicherry Institute of Medical Science | Puducherry | Hospital |
| Frontier Lifeline | Chennai | Hospital |
| Frontier Mediville | Gummudipoondi | Hospital |
| Velammal Medical College Hospital | Madurai | Hospital |
| Govt. Villupuram Medical College & Hospital | Villupuram | Hospital |
| Panimalar Medical College Hospital | Chennai | Hospital |
| Naruvi Hospitals | Vellore | Hospital |
| Naruvi Hospitals – Nursing Quarters | Vellore | Hospital |
| Apollo Hospitals Enterprises Ltd | Chennai | Hospital |
| Sri Devaraj Urs Medical College & Hospital | Kolar | Hospital |
| PIMS Rural Health Centre | Chunampet | Hospital |
| UNO Hospitality Services Pvt Ltd | Chennai | Hospital |
| Central Travancore Specialists Hospital | Chengannur | Hospital |
| Frontier Mediville | Gummidipoondi | Hospital |
| Velammal Medical College Hospital | Madurai | Hospital |
| Naruvi Hospitals | Vellore | Hospital |
| Naruvi Hospitals – Nursing Quarters | Vellore | Hospital |
| Frontier Life line | Gummudipoondi | Hospital |
| Naruvi Hospitals | Vellore | Hospital |
| Frontier Life line | Chennai | Hospital |
| Panimalar Medical College Hospital | Chennai | Hospital |
| Naruvi Hospitals | Vellore | Hospital |
Operation & Maintanance RO Plants, ETP & STP Plants
| Hansa Gardens – Arumbakkam | Chennai | Hotel and Housing |
| Hansa Ashirwad – Tambaram | Chennai | Hotel and Housing |
| Hansa Courtyard Projects – Thiruvottriyur | Chennai | Hotel and Housing |
| Hill Country Holiday Resorts (I) Pvt Ltd | Kodaikanal | Hotel and Housing |
| Hill Country Holiday Resorts (I) Pvt Ltd | Ooty | Hotel and Housing |
| Penny Royal Associate | Madurai | Hotel and Housing |
| Sathyasree Developers (P) Ltd | Madurai | Hotel and Housing |
| MW High Tech Projects (India) Pvt Ltd | Chennai | Hotel and Housing |
| Velammal Hotels & Resorts LLP | Madurai | Hotel and Housing |
| Anantya Resorts & Hotels Pvt Ltd | Marthandam | Hotel and Housing |
| Renaatus Projects Pvt Ltd (For PWD Quarters – Saidapet) | Chennai | Hotel and Housing |
| Anugraha Satellite Township Residents Welfare Association | Cuddalore | Hotel and Housing |
| Hansa Ashirwad – Tambaram | Chennai | Hotel and Housing |
| Hansa Courtyard Projects – Thiruvottriyur | Chennai | Hotel and Housing |
| Hansa Bellisimo – Erukkancherry | Chennai | Hotel and Housing |
| Hansa Abhinav – Thiruvottriyur | Chennai | Hotel and Housing |
| Hansa Vandana | Chennai | Hotel and Housing |
| ITC Towers | Chennai | Hotel and Housing |
| Velammal Hotels & Resorts LLP | Madurai | Hotel and Housing |
| UNO Hospitality Services Pvt Ltd | Chennai | Hotel and Housing |
| Hotel SMS Grand Imperial | Vellore | Hotel and Housing |
| Hansa Gardens | Chennai | Hotel and Housing |
| Hansa Ashirwad – Tambaram | Chennai | Hotel and Housing |
| Hansa Courtyard Projects – Thiruvottriyur | Chennai | Hotel and Housing |
| Hansa Bellisimo – Erukkancherry | Chennai | Hotel and Housing |
| Hansa Abhinav – Thiruvottriyur | Chennai | Hotel and Housing |
| Hansa Gems Park – Thiruvottriyur | Chennai | Hotel and Housing |
| Hill Country Holiday Resort India Pvt Ltd | Kodaikanal | Hotel and Housing |
| Hill Country Holiday Resort India Pvt Ltd | Ooty | Hotel and Housing |
| Ram Constructions | Chennai | Hotel and Housing |
| B G R Hotels Pvt Ltd | Ernakulam | Hotel and Housing |
| Bay City Developers Pvt Ltd | Chennai | Hotel and Housing |
| Harbour Crest Owners Association | Kochi | Hotel and Housing |
| Indian Rare Earths Ltd | Manavalakurichi | Hotel and Housing |
| Vasanth Apartments Owners Association | Chennai | Hotel and Housing |
| Velammal Hotels & Resorts LLP | Madurai | Hotel and Housing |
| Jains Eiffel Garden Flat Owners Welfare Association | Chennai | Hotel and Housing |
| Hansa Estate | Chennai | Hotel and Housing |
Operation & Maintanance RO Plants, ETP & STP Plants
| SRM Engineering Construction Corporation Ltd – Kattankulathur | Chennai | Educational Sector |
| SRM Institute of Science and Technology | Trichy | Educational Sector |
| SRM Institute of Science and Technology – Kattankulathur | Chennai | Educational Sector |
| Saraswathi Ammal Educational Charitable Trust | Uttarpradesh | Educational Sector |
| Azeezia Group of Educational Institution | Kollam | Educational Sector |
| Pondicherry Institute of Medical Science | Puducherry | Educational Sector |
| Mahatma Gandhi Medical Collage | Puducherry | Educational Sector |
| Shri Sathya Sai Medical College and Hospital | Thiruporur | Educational Sector |
| Sri Manakula Vinayagar Medical College & Hospital | Puducherry | Educational Sector |
| Sri Manakula Vinayagar Engineering College | Puducherry | Educational Sector |
| Mailam Engineering College | Mailam | Educational Sector |
| Velammal Medical College Hospital | Madurai | Educational Sector |
| Velammal College of Engineering & Technology | Viraganoor | Educational Sector |
| Velammal Engineering College | Chennai | Educational Sector |
| Velammal Institute of Technology | Panchetti | Educational Sector |
| The Velammal International School | Panchetti | Educational Sector |
| Velammal Vidyashram School (CBSE) | Chennai | Educational Sector |
| Velammal Global School | Puzhal | Educational Sector |
| Velammal Vidyalaya School | Karur | Educational Sector |
| Velammal Vidyalaya School | Theni | Educational Sector |
| Velammal Vidhyashram School | Padappai | Educational Sector |
| Velammal Vidhyashram School | Anupanadi | Educational Sector |
| Velammal Bodhi School | Thanjavur | Educational Sector |
| Sri Venkateswara Medical College & Hospital | Puducherry | Educational Sector |
| Apollo Hospitals Educational Trust | Chennai | Educational Sector |
| Panimalar Engineering College | Chennai | Educational Sector |
| Panimalar Medical College Hospital and Reseach Institute | Chennai | Educational Sector |
| Naruvi Hospitals | Vellore | Educational Sector |
| Chennai Institute of Technology | Chennai | Educational Sector |
| Vellore Institute of Technology | Chennai | Educational Sector |
| Vellore Institute of Technology | Vellore | Educational Sector |
| Vellore Institute of Technology | Amaravathi | Educational Sector |
| Arunai Medical College and Hospital | Thiruvannamalai | Educational Sector |
| Mont Fort A.I.Hr.Sec.School | Yercaud | Educational Sector |
| Mahatma Gandhi Medical College | Puducherry | Educational Sector |
| Sri Devaraj Urs Medical College & Hospitals | Kolar | Educational Sector |
| Balaji Educational and Charitable Public Trust | Pondicherry | Educational Sector |
| Pondicherry Institute of Medical Science | Puducherry | Educational Sector |
| SRM Institute of Science & Technology | Chennai | Educational Sector |
| Velammal Medical College Hospital | Madurai | Educational Sector |
| Velammal Engineering College | Chennai | Educational Sector |
| Velammal College of Engineering & Technology | Viraganoor | Educational Sector |
| Velammal Vidhyashram School | Anupanadi | Educational Sector |
| Velammal Mat. Hr. Sec. School | Ladanenthal | Educational Sector |
| Velammal Vidhyashram School | Chennai | Educational Sector |
| Velammal Vidhyashram School | Mambakkam | Educational Sector |
| Velammal Vidhyashram School | Padappai | Educational Sector |
| Velammal Vidhyashram School | Guduvancherry1 | Educational Sector |
| Velammal Vidhyashram School | Sholinganallur | Educational Sector |
| Velammal New Gen School | Medavakkam | Educational Sector |
| Velammal Vidhyashram School | Ambattur | Educational Sector |
| Velammal Vidhyalaya School | Madurai | Educational Sector |
| Velammal Vidhyalaya School | Karur | Educational Sector |
| Velammal Vidhyalaya School | Theni | Educational Sector |
| Velammal Mat. Hr. Sec. School | Thiruppuvanam | Educational Sector |
| Velammal Bodhi Campus | Kallakurichi | Educational Sector |
| Velammal Bodhi Campus | Vellore | Educational Sector |
| Velammal Bodhi Campus | kolapakkam | Educational Sector |
| Velammal Solar Plant | Madurai | Educational Sector |
| Bharathiyar College of Engineering & Technology | Karaikkal | Educational Sector |
| Govt. Villupuram Medical College & Hospital | Villupuram | Educational Sector |
| Panimalar Medical College Hospital | Chennai | Educational Sector |
| Panimalar Engineering College | Chennai | Educational Sector |
| Panimalar Institute of Technology | Chennai | Educational Sector |
| Panimalar Polytechnic College | Chennai | Educational Sector |
| Sri Devaraj Urs Medical College & Hospital | Kolar | Educational Sector |
| Carmel High School | Chalakudi | Educational Sector |
| Velammal Medical College Hospital | Madurai | Educational Sector |
| Velammal Engineering College | Chennai | Educational Sector |
| SRM Institute of Science and Technology | Trichy | Educational Sector |
| SRM Institute of Science and Technology – Kattankulathur | Chennai | Educational Sector |
| Panimalar Engineering College | Chennai | Educational Sector |
| Panimalar Medical College Hospital | Chennai | Educational Sector |
| Vellore Institute of Technology | Chennai | Educational Sector |
| Vellore Institute of Technology | Vellore | Educational Sector |
| Vellore International School | Chennai | Educational Sector |
Operation & Maintanance RO Plants, ETP & STP Plants
| Amutham Dairy Products Pvt Ltd | Erode | Food Processing Unit |
| Gupta Sweets Pvt Ltd | Chennai | Food Processing Unit |
| India Sea Foods | Kochi | Food Processing Unit |
| Jeyces Ice Factory | Palliport | Food Processing Unit |
| Paragon Sea Foods | Aroor | Food Processing Unit |
| Pizza Hut @ Dr. Radhakrishnan Road | Chennai | Food Processing Unit |
| Pizza Hut @ Anna Nagar | Chennai | Food Processing Unit |
| Pizza Hut @ T Nagar | Chennai | Food Processing Unit |
| Cakes N Bakes | Chennai | Food Processing Unit |
| Bhaskar Global (P) Ltd | Sri Lanka | Food Processing Unit |
