| • Aagrola Magnetics Limited, Chennai. | • MMG India Pvt Ltd, Chennai. |
| • Academy of Maritime Education and Training, Chennai. | • Modi Wire Steel Ltd, Chennai |
| • Advanced Training Institute, Chennai. | • Mopeds India Limited, Tirupati. |
| • Air Bee Wireless (India) Pvt Ltd., Chennai. | • Murugappa Electric System, Chennal. |
| • Alacrity Electronics Ltd, Chennai. | • Nadi Airtechnics, Chennai |
| • Alkaline and Chemical Corporation of India Ltd., Chennai. | • National Institute of Ocean Technology (NIOT), Chennai |
| • American College, Madurai. | • NBKR Institute of Science and Technology, Vidya Nagar. |
| • Amalgamations Repco Ltd., Chennai. | • Neyveli Lignite Corporation, Neyveli. |
| • Andra Bank, Hyderabad. | • N-Logue Communication Pvt Ltd, Chennai. |
| • Andrew Yule Co. Ltd, Chennai. | • Omega Cables Ltd, Chennai. |
| • Anglo French Textiles, Pondicherry. | • Ordnance Factory, Medak. |
| • Annamalai University, Annamalainagar. | • Ordnance Factory, Jabalpur. |
| • Anna University, Chennai. | • Padmavathi Metal Alloys Pvt Ltd., Chennai. |
| • Ansaldo, Farakko. | • Pentafour Solec, Chennai. |
| • Appandent Dental Equipment Pvt Ltd., Chennai. | • Pent Media Pvt Ltd., Chennai. |
| • Ashok Leyland, Chennai. | • Plastics, Resins and Chemicals Ltd, Tirunelveli. |
| • Associated Electricals, Chennai. | • Police Department, Govt of Tamilnadu, Chennai. |
| • Atlas Copco (India) Limited, Chennai. | • Ponds (India) Ltd, Kodikanal. |
| • Audco India Ltd., Chennai. | • Pondicherry Engineering College, Pondicherry. |
| • Auro Electronics, Pondicherry. | • Post and Telegraphs, Chennai. |
| • Automac (P) Ltd, Chennai | • Power Systems, Chennai. |
| • AVON, Chennai. | • Premier Tyres Limited, Kalamessary. |
| • Baliga Lighting Equipment Pvt Ltd., Chennai. | • Probis Industries, Chennal. |
| • BCG Laboratory, Chennai. | • Productivity elements Pvt Ltd., Chennai. |
| • Bharat Atomic Research Centre, Mysore. | • Protchem Industries, Pondichery. |
| • Bharat Earth Movers Ltd., Kolar Gold Fields. | • Prototype Development and Training Centre, Chennai. |
| • Bharat Earth Movers Ltd., Bangalore. | • Southern Railways, Chennai. |
| • Bharath Electronics Ltd, Chennai. | • South India Wire Ropes Limited, Alwaye. |
| • Bharathiyar University, Coimbatore. | • SPARTEK Ceramics India Ltd., Chennai. |
| • BHEL, Hyderabad. | • SPIC Electronics Pvt Ltd., Chennai. |
| • BHEL, Ranipet | • SPEL Semiconductor Ltd, Chengalpattu. |
| • BHEL, Tiruchi. | • Sri Sarvaraya Sugars Limited, Elluru. |
| • Best and Crompton Engineering Ltd., Chennai. | • Srivatsa Electric & Electronic (P) Ltd, Chennai. |
| • Blumen Electricals, Vijayawada. | • Star Medi Systems, Chennai. |
| • Brakes India Ltd, Chennai. | • Stocko Electronics, Chennai. |
| • Calico Chemicals, Mumbai. | • St. Thomas Hospital and Leprosy Centre, Chennai. |
| • Cancer Institute, Chennai. | • Sundaram Claytons, Chennai. |
| • Carborandum Universal Ltd., Chennai. | • Systech Electronics Pvt Ltd., Chennai. |
| • Carter Hydraulic Power Pvt. Limited, Calcutta. | • Tamil Nadu Agricultural University, Coimbatore. |
| • CECRI, Karaikudi. | • Tamil Nadu Cricket Association, Chennai. |
| • CEERI, CSIR Complex, Chennai. | • Tamil Nadu Electricity Board, Chennai. |
| • Central Electro-Chemical Research Institute, Karaikudi. | • TAMIN, Badanapalli. |
| • Central Leprosy Teaching and Research Centre, Chingleput. | • TAMIN, Chennai. |
| • Central Marine Fisheries Research Institute, Cochin. | • TAMIN, Sivaganga. |
| • Central Quality Control Lab, PWD, Chennai. | • Tata Keltron Ltd, Chennai. |
| • Centre for Electronic Test and Engineering, Calcutta. | • Teletherm Ltd, Chennai. |
| • Chennai Petroleum Corporation Ltd, Chennai. | • Tetra Controls Pvt Ltd, Chennai. |
| • Chettinadu Shipping Management Service, Chennai. | • Texonic Instruments, Chennai. |
| • Christian Medical College & Hospital, Vellore. | • Transformer & Switch Gears Ltd, Chennai. |
| • College of Engineering, Guindy, Chennai. | • Trinity Nursing Home, Chennai. |
| • Coromandal Leather Pvt Ltd, Chennai. | • Triveni Steels, Chennai. |
| • Cutfast Abrasive Tools Ltd, Chennai. | • Rainay Hospital Cing Lid, Chennai. |
| • CVRDE, Avadi. | • Rane Brake Linings Limited, Chennai. |
| • CWET, Chennai. | • Rane Madras Limited, Chennai. |
| • Dalmia Magnesite Corportion, Salem. | • Rane Power Steering Ltd, Chennai. |
| • DB Power Electronics Pvt Ltd, Chennai. | • Regional Engineering College, Calicut. |
| • Dept of Harbour Engineering, Kerala. | • Regional Engineering College, Suratkal. |
| • Department of Industries and Commerce, Chennai. | • Regional Engineering College, Warangal. |
| • Department of Telecommunications, Chennai. | • Regional Test & Development Centre, Chennai. |
| • Dunlop India Ltd, Chennai. | • Roots Industries, Coimbatore. |
| • Eastern Medical Services, Chennai. | • Sai Recording & Co, Chennai. |
| • E.I.D.Parry (India) Ltd, Chennai. | • Sanmar Instruments, Chennai. |
| • Electro Dynamic Industries Ltd, Chennai. | • Shalimar Engineering Works Pvt. Ltd., Calcutta. |
| • Electromedial Equipment Centre, Chennai. | • Shankara Nethralaya, Chennai. |
| • Elite Optical Industries, Chennai. | • Shardlow India Ltd, Chennai. |
| • Enertek Pvt Ltd, Chennai. | • Sholingur Textiles Ltd, Chennai. |
| • Engine Factory, Avadi. | • Solai Engineering Works, Chennai. |
| • Engine Vires, Chenai,. | • Sorex Stereo Sound Pvt Ltd, Chennai. |
| • Falcon Tyres Limited, Mysore. | • Super Recording & Co, Chennai. |
| • Falcon Wires Private Limited, Chennai. | • South Central Railway, Vijayawada. |
| • Fishery Survey of India, Chennai | • Southern Alloys Foundaries (P) Ltd, Chennai. |
| • Fluid Control Research Institute, Palghat. | • Southern Engineering Industries, Coimbatore. |
| • Food Corporation of India Ltd, Chennai. | • Southern Industrial Corporation Ltd, Chennai. |
| • Forbes Campbell & Co. Ltd, Bangalore. | • TWAD Board, Cuddallore. |
| • Ford India Ltd, Chengalpattu. | • TWAD Board, Chennai. |
| • GEC Alsthom Ltd, Pondicherry. | • TWAD Board, Nagercoil. |
| • GE Power Controls India Pvt Ltd,, Pondicherry. | • TWAD Board, Vellore. |
| • GHCL Ltd, Thirupporur. | • United Brothers, Chennai. |
| • Glujel (India) Pvt Ltd, Chennai. | • Universal Electrodynamics Pvt Ltd, Chennai. |
| • Goetze (India) Limited, Bangalore. | • Vijaya Hospital, Chennai. |
| • Government Erskine Hospital, Madurai. | • Vijay Vani Audio Pvt Ltd, Chennai. |
| • Government General Hospital, Chennai. | • Visveswaraya Regional College of Engineering, Nagpur. |
| • Government Polytechnic, Gundur. | • Virudhunagar Textiles Pvt Ltd., Virdhunagar. |
| • Graphic Arts Service Centre, Chennai. | • Voluntary Health Services Hospital, Adyar, Chennai. |
| • HCL Technologies Ltd, Chennai. | • Vulcan Electricals Ltd, Chennai. |
| • Heavy Alloy Penetrator Project, Trichy. | • Welcare Electronics, Chennai. |
| • Heavy Vehicles Factory, Avadi. | • Western Thompson India Ltd, Chennai. |
| • Hindustan Aeronautics Ltd., Hyderabad. | • Wheels India Limited, Chennai. |
| • Hindustan Teleprinters, Chennai. | • W.S. Insulators, Chennai |
| • Hindustan Motors, Tiruvellore. | • EMD Electronic Instruments Limited, Chennai |
| • Hitech Engineering Service, Chennai. | • M/s Madras Engineering Industries Pvt Ltd, Kancheepuram |
| • Hack-Bridge Hewittic Easun, Chennai. | • Agnikul Cosmos, Chennai |
| • Hospital Requisites Co, Chennai. | • M/s Grundfos Pumps India Private Limited, Chennai |
| • Indian Airlines, Chennai. | • M/S Bajaj Electricals Limited, Chennai |
| • India Cements Ltd, Sankaridurgh. | • Airport Authority of India, Coimbatore International Airport |
| • India Meters Ltd., Chennai. | • Airport Authority of India, Chennai International Airport |
| • Indian Institute of Astrophysics, Kodaikanal. | • M/S Baliga Lighting Equipments Pvt Ltd, Chennai |
| • Indian Institute of Petroleum, Dehradun. | • M/S Kumaran Industries, Chennai |
| • Indian Institute of Science, Banglore. | • M/s Lookman Electroplast Industries Ltd, Chennai |
| • Indian Organic Chemicals, Chennai. | • M/s Gulf Oil Lubricants India Limited, Mumbai |
| • India Piston's Ltd, Kancheepuram. | • Philips Lighting India Limited, Chennai |
| • Indian Renewable Energy Development Agency | • Flexpro Electricals Pvt. Ltd. Navsari |
| (IREDA), New Delhi. | • Centre for Battery Engineering & Electric Vehicles, IC & SR, IIT Madras, Chennai |
| • Indo Icelandic Fisheries Co., Chennai. | • Heavy Vehicles Factory, Avadi, Chennai |
| • Indra Cotton Mills Ltd, Chennai. | • Qmax Test Technologies Pvt Ltd., Chennai |
| • Indra Gandhi Centre for Atomic Research(IGCAR), Kalpakkam. | • M/s Sacdeeil Science LLP,Puducherry |
| • Industrial Photographics and Colour Labs., Chennai. | • Aerospace Engineers Private Limited, Salem |
| • Injetoplast, Chennai. | • Tantiv4, Chennai |
| • Institute for Design and Electrical Measuring | • Energon Solutions Private Limited, Dist Nashik |
| Instruments, Mumbai. | • Kothari Industrial Corporation Ltd, Chennai. |
| • Integral Coach Factory, Chennai. | • K.T.P.S. Andhra Pradesh. |
| • International Computer Ribbon Corporation, Chennai. | • Kuppuswami Naidu Memorial Hospital, Coimbatore. |
| • JIMER, Podichery Lid, Bangalore. | • Lakshmi Machine Works Limited, Coimbatore. |
| • JKM DAERIM Automotive Ltd, Sriperumpudur. | • Laminated Packings Pvt Ltd., Vizag. |
| • Jumbo Bag Ltd, Chennai. | • Larson & Turbo Ltd, Chennai. |
| • Kalakshethra Printers, Chennai | • Layola College, Chennai. |
| • Kallakurichi Co-operative Sugar Mills Ltd., Moongilthuraipattu. | • Life Insurance Corporation Of India, Chennai. |
| • Kaycee Switches (P) Ltd, Chennai. | • Lucas TVS, Chennai. |
| • K.C.P. Ltd., Chennai. | • Madras Customs, Chennai. |
| • K.C.P. Ltd., Vijayawada. | • Madras Industrial Linings Ltd., Chennai. |
| • Khemka Spares and Accessories (P) Ltd, Chennai. | • Madras Port Trust, Chennal. |
| • Kirloskar Electric Co., Chennai. | • Madras Refineries Ltd, Chennai. |
| • Kirloskar Oil Engines Ltd., Pune. | • Madras Telephones, Chennai. |
| • K.J. Hospital, Chennai. | • Madras Wire Products Ltd, Chennai. |
| • Kothagiri Medical Fellowship Hospital, Nilgiris. | • Maharashtra Highways Engineering Research Institute, Nasik. |
| • Kodytech Ltd, Chennai. | • Maharishi Solar Industries, Chennai. |
| • MICO, Bangalore. | • MERADO, CSIR Complex, Chennai. |
| • MIDAS Communication Technology Pvt Ltd, Chennai. | • Metal Box India Limited, Kharagpur. |
| • Milton Roy India Pvt Ltd, Chennai. | |
| • M.K.Raju Consultants, Chennai. | |
