| NATIONAL FIRE ACADEMY | Education | Government Body |
| VERDATUM | Engineering | Private |
| VERDATUM | Engineering | Private |
| VERDATUM | Manufacturing | Private |
| VERDATUM | Manufacturing | Private |
| VERDATUM | Engineering | Private |
| VERDATUM | Engineering | Private |
| VERDATUM | Engineering | Private |
| YASHNA CIRCUITS PVT. LTD. | Engineering | Private |
| YASHNA CIRCUITS PVT. LTD. | Engineering | Private |
| YASHNA CIRCUITS PVT. LTD. | Engineering | Private |
| YASHNA CIRCUITS PVT. LTD. | Engineering | Private |
| AJAY KNITWEARS | Textiles | Private |
| "PRODAPT SOLUTIONS PVT LTD SOUTH AFRICA" | Engineering | Private |
| 12 PAJ SOLUTIONS | IT | Private |
| 132KV SUBSTATION VERKA | Engineering | Government Body |
| 3I INFOTECH LIMITED | IT | Private |
| A BOND STRANDS PRIVATE LIMITED | Engineering | Private |
| AARTHI CONSULTANTS PRIVATE LIMITED | IT | Private |
| ABI - SNOWTECH INDIA LTD, | Manufacturing | Private |
| ABS CONSULTANTS PVT. LIMITED | IT | Private |
| ACCEL SOFTWARE SOLUTIONS LIMITED | IT | Private |
| ACCENTURE | IT | Private |
| ACSYS SOFTWARE INDIA PVT LTD | IT | Private |
| ACT FIBER NET | Telecom | Private |
| ACT FIBERNET | IT | Private |
| ADDISON & CO LTD | Manufacturing | Private |
| ADHITYAA INFOMEDIA TECHNOLOGIES | IT | Private |
| ADITYA BIRLA | Engineering | Private |
| ADITYA BIRLA NUVO LIMITED | IT | Private |
| ADROIT CORPORATE SERVICES PVT. LIMITED | IT | Private |
| ADVANTAGE PRO | IT | Private |
| AERO ENGINEERS | Engineering | Private |
| AFTERTUTOR MEDIAS PRIVATE LIMITED | Education | Private |
| AGARAM INFOTECH PRIVATE LIMITED | IT | Private |
| AICL | Consulting | Private |
| AICTE | Education | Government Body |
| AIFO-SYS | Design | Private |
| AIP CONFERENCE PROCEEDINGS | Publishing and Printing | Private |
| AIR LIQUID MEDICAL SYSTEMS | Engineering | Private |
| AIRO PLEASANT | Energy | Private |
| AIRPORT AUTHORITIES OF INDIA | Others | Government Body |
| AIRPORT AUTHORITY | Transport | Government Body |
| AJEL LIMITED | IT | Private |
| AKSHARA CONSTRUCTIONS | Others | Private |
| AKSHAYA PVT. LTD | Others | Private |
| ALANKIT ASSIGNMENTS LIMITED | IT | Private |
| ALL INDIA RADIO | Media | Public Sector Unit (PSU) |
| ALL INDIA RADIO | Media | Public |
| ALTECH INDUSTRIES | Engineering | Private |
| AMAZON | Others | Private |
| AMAZON | IT | Private |
| AMAZON WEB SERIVICES | IT | Private |
| AMET UNIVERSITY | Education | Private |
| AMITY SOFTECH | IT | Private |
| AMITYSOFT TECHNOLOGIES PVT. LTD. | IT | Private |
| AMS CONSTRUCTIONS | Engineering | Sole Proprietorship |
| ANNA UNIVERSITY | Engineering | Government Body |
| ANNA UNIVERISTY CHENNAI | Education | Public State |
| ANNAMALAI UNIVERSITY | Education | Government Body |
| ARIES INDUSTRIES | Engineering | Private |
| ASHOK LEYALAND | Automobiles | Public Limited Company |
| ASHOK LEYLAND LTD | Manufacturing | Private |
| ATAL AICTE | Education | Government Body |
| AUTO TECH INDUSTRIES INDIA PVT LTD | Engineering | Private |
| AUTOMATION ANYWHERE | IT | Private |
| AVALON TECHNOLOGIES | Engineering | Private |
| AVALON TECHNOLOGIES | Manufacturing | Private |
| AWATA SOFTWARE SYSTEM | IT | Private |
| AXIS CADS | Engineering | Private |
| B.S. ABDUR RAHMAN UNIVERSITY, | Education | Private |
| BANK OF AMERICA | BFSI | Public |
| BANK OF AMERICA | IT | Private |
| BAROLA TECHNOLOGIES | IT | Private |
| BAROLA TECHNOLOGIES | IT | Private |
| BAY FORGE LIMITED | Manufacturing | Private |
| BGR ENERGY SYSTEMS | Engineering | Private |
| BHARAT ELECTRONICS | Telecom | Public Sector Unit (PSU) |
| BHARATH BENZ | Automobiles | Private |
| BHARATH UNIVERSITY | Education | Private |
| BHARI INFORMATION TECHNOLOGY SYSTEMS PVT. LTD | IT | Private |
| BHAVINI | Energy | Government Body |
| BI WORLD WIDE | IT | Private |
| BIGSHARE SERVICES PVT. LIMITED | IT | Private |
| BNP PARIBAS INDIA SOLUTIONS | Others | Private |
| BONFIGLIOLI TRANSMISSION (PVT) LTD | Manufacturing | Private |
| BOT LAB | Education | Private |
| BOTREE SOFTWARE INTERNATIONAL PVT LTD | IT | Private |
| BRAKES INDIA PRIVATE LIMITED | Manufacturing | Private |
| BSNL | Telecom | Government Body |
| BTS CONSULTANCY SERVICES PRIVATE LIMITED | IT | Private |
| BUILTECH ENGINEERS AND CONSULTANTS PRIVATE LIMITED | Engineering | Private |
| BUSINESS GREEN | Agriculture | Private |
| BUTTERFLY GANDHIMATHI APPLIANCES LTD., PUDUPAKKAM. | Manufacturing | Private |
| CAD EPLOY | Engineering | Private |
| CADD CENTRE | Education | Private |
| CADDAM TECHNOLOGIES | Engineering | Private |
| CARNEGIE MELLON UNIVERSITY | Education | Institution |
| CARNEGIE MELON UNIVERSITY,USA | Education | Institution |
| CASAGRAND BUILDERS PRIVATE LIMITED | Engineering | Private |
| CATHOLIC SYRIAN BANK | Others | Private |
| CCNA TRAINING | Education | Private |
| CCNA TRAINING CERTIFICATION | Education | Private |
| CEI INDIA PVT. LTD. | IT | Private |
| CENTRAL INSTITUTE OF PLASTICS ENGINEERING & TECHNOLOGY | Engineering | Government Body |
| CENTRAL POLYTECHNIC COLLEGE | Education | Government Body |
| CG MAERSK INFORMATION TECHNOLOGIES PVT. LTD. | IT | Private |
| CHENNAI METRO RAIL | Engineering | Government Body |
| CHENNAI PORT | Logistics | Public |
| CHENNAI PORT TRUST | Logistics | Government Body |
| CHENNAI PORT TRUST | Engineering | Government Body |
| CII | Consulting | Public Sector Unit (PSU) |
| CIRCOR | Engineering | Private |
| CISCO SYSTEMS | Manufacturing | Private |
| CITRIX SYSTEM | IT | Private |
| CK-IICT | Engineering | Private |
| CLRI | Education | Government Body |
| CLUSTER COMPUTING | Publishing and Printing | Private |
| CNS SYSTEMS | Engineering | Private |
| CODE BIND TECHNOLOGIES | IT | Private |
| CODEBIND TECHNOLOGIES | Education | Private |
| COMMVAULT | IT | Private |
| COMPUTER AGE MANAGEMENT SERVICES LIMITED | Others | Private |
| COMPUTER COMMUNICATIONS | Education | Private |
| COMVIVA | IT | Private |
| CONGRUENT | Others | Private |
| COVANSYS INDIA LTD. | IT | Private |
| CRAYOND | IT | Private |
| CROWN TECHNOLOGIES | Engineering | Private |
| CSIR | Engineering | Government Body |
| CSN SYSTEMS | Consulting | Cooperative |
| CSS CORP | IT | Private |
| CTS | IT | Private |
| CTS | IT | Private |
| CYBERNET SLASH SUPPORT | IT | Private |
| CYBERNET SLASH SUPPORT | IT | Private |
| CYGBIT IT SOLUTIONS | IT | Private |
| DAIMLER | Automobiles | Private |
| DALMIA CEMENT BHARAT LIMITED | Chemicals | Private |
| DAPPLOGIX SOFTWARE PVT LTD | IT | Private |
| DATA SCIENCE HUB | Engineering | Private |
| DEFORAY TECHNOLOGIES PVT. LTD | IT | Private |
| DELFINGEN LTD | Engineering | Private |
| DEPARTMENT OF SCIENCE & TECHNOLOGY | Engineering | Government Body |
| DESIGN SQUIGGLE | Engineering | Private |
| DIAMOND ENGINEERING (CHENNAI) PVT. LTD. | Engineering | Private |
| DIAMOND GROUP OF COMPANIES | Manufacturing | Private |
| DIGITAL SHARK TECHNOLOGY | Engineering | Public Limited Company |
| DIMENSIONS STRUCTURAL DESIGN | Design | Private |
| DLK CAREER DEVELOPMENT | IT | Private |
| DOMAIN 2 HOST WEB HOSTING SOLUTIONS | IT | Private |
| DOTS TECHNOLOGIES | IT | Private |
| DR.NGP INSTITUTE OF TECHNOLOGY | Education | Private |
| DREAMX SOFTWARE SOLUTIONS | IT | Private |
| E-CON SYSTEMS | IT | Private |
| E-YANTRA | Engineering | Private |
| ECIL | Manufacturing | Public Limited Company |
| EID PARRY LTD | Engineering | Private |
| ELSEVIER B V | Publishing and Printing | Private |
| EMBED UR | Engineering | Private |
| EMC 2 | IT | Private |
| EMC 2 | IT | Private |
| EMERSON NETWORK POWER LTD. | Manufacturing | Public Limited |
| ENCORE SOFTWARE LTD | IT | Private |
| ENERGY CONSERVATION AND AUDIT | Energy | Private |
| EPR LAB | Education | Private |
| EPR LABS | Education | Private |
| ERNST & YOUNG | IT | Private |
| ERNST & YOUNG LLP | Consulting | Private |
| ERODE SENGUNTHAR ENGINEERING COLLEGE | Education | Private |
| ERP LABS | IT | Private |
| ETHNUS | Engineering | Private |
| ETHUNUS | Engineering | Private |
| EXIDE INDUSTRIES | Manufacturing | Private |
| FACE | Education | Private |
| FACE | Consulting | Private |
| FAURECIA EMISSION CONTROL TECHNOLOGIES INDIA PVT LTD | Others | Private |
| FORD INDIA | Automobiles | Private |
| FORE VIEW TECHNOLOGIES PVT LTD | Education | Private |
| FOREVIEW TECHNOLOGIES | Engineering | Private |
| FOREVIEW TECNNOLOGIES PVT LTD | Engineering | Private |
| FRESHWORKS LTD | IT | Private |
| GANIT INC | IT | Private |
| GEM SOFTWARE SOLUTIONS PVT.LTD | IT | Private |
| GENERAL MOTORS | Automobiles | Private |
| GEONEXUS TECHNOLOGIES LLC | IT | Private |
| GISLEN SOFTWARE | IT | Private |
| GISLEN SOFTWARE | IT | Private |
| GOLDMAN SACHS | IT | Private |
| GOODWIN INDUSTRIES | Engineering | Private |
| GOVERNMENT COLLEGE OF ENGINEERING | Education | Government Body |
| GRACE SOFT SOLUTIONS | IT | Private |
| GUARDIAN LIFE INSURANCE COMPANY OF AMERICA | Others | Private |
| GURUNANAK COLLEGE OF PHARMACY | Education | Private |
| HAKUNA MATATA SOLUTION PVT LTD | IT | Private |
| HAKUNA MATATA SOLUTIONS | IT | Private |
| HANNON SYSTEM PVT LTD | IT | Private |
| HANON SYSTEMS PVT LTD | Automobiles | Private |
| HARMAN INDIA | Engineering | Private |
| HCL | IT | Private |
| HEAVENZR TECHNOLOGIES | IT | Private |
| HEAVY VECHILES FACTORY | Manufacturing | Government Body |
| HEXA CORP | IT | Private |
| HEXA CUBE | Education | Private |
| HEXAWARE | IT | Private |
| HIBIZ SOLUTIONS (INDIA) PRIVATE LIMITED | IT | Private |
| HIGHWAY DEPARTMENT | Engineering | Government Body |
| HINDUJA FOUNDRIES | Engineering | Private |
| HINDUSTAN UNIVERSITY, CHENNAI | Engineering | Institution |
| HINDUSTHAN COLLEGE OF ENGINEERING & TECHNOLOGY | Education | Private |
| HITECH PLAST LTD | Manufacturing | Private |
| HITECH PVT SOLUTION | IT | Private |
| HOURGLASS IT - WEB DESIGN COMPANY | IT | Private |
| HSS BIM SOLUTIONS PVT LTD | Consulting | Private |
| HUTSUN AGRO PRODUCT PVT LTD | Manufacturing | Private |
| HWASHIN AUTOMOTIVE | Manufacturing | Private |
| HYUNDAI | Automobiles | Private |
| IBERIS SOFTWARE SOLUTIONS | IT | Private |
| IBM | IT | Private |
| IBM | IT | Private |
| IBM COGNOS ANALYTICS | IT | Private |
| IBM INDIA | IT | Private |
| ICF | Manufacturing | Government Body |
| ICICI SECURITIES | Others | Private |
| ICT | Education | Private |
| ICT ACADEMY | Education | Government Body |
| ICT ACADEMY | Education | Private |
| ICT ACADEMY | Education | Public Limited Company |
| IEEE XPLORE DIGITAL LIBRARY | Engineering | Government Body |
| IEI | Education | Government Body |
| IIT | Education | Institution |
| IIT BOMBAY | Engineering | Government Body |
| IMARTICUS | IT | Private |
| IMARTICUS LEARNING | Education | Private |
| INAUTIX | IT | Private |
| INDIAN CONCRETE INSTITUTE | Education | Government Body |
| INDIAN PLYWOOD INDUSTRIES RESEARCH AND TRAINING INSTITUTE | Education | Institution |
| INDIAN SOCIETY FOR NON DESTRUCTIVE TESTING | Engineering | Public |
| INDIAN SOCIETY FOR TECHNICAL EDUCATION | Education | Government Body |
| INDIUM SOFTWARE | IT | Private |
| INFINITE COMPUTER SOLUTIONS | IT | Private |
| INFOGRO TECHNOLOGIES | IT | Private |
| INFOSYS | IT | Private |
| INFOZIANT SYSTEMS | IT | Private |
| INFOZIANT IT SOLUTIONS | Others | Sole Proprietorship |
| INFY TQ | IT | Private |
| INITIATIVE | Engineering | Private |
| INNOVAPPTIVE INC. | IT | Private |
| INNOVATION LAB | Education | Private |
| INNOVATIVE ENGINEERING SOLUTIONS | Engineering | Private |
| INSTITUTE OF INDUSTRIAL DESIGN | Design | Private |
| INTEGRAL COACH FACTORY | Manufacturing | Public Sector Unit (PSU) |
| INTEGRAL COACH FACTORY | Engineering | Government Body |
| INTELITIX SOLUTIONS PRIVATE LTD | IT | Private |
| INTELLECT DESIGN ARENA | IT | Private |
| INTERNATIONAL INNOVATION | Engineering | Private |
| INTERNATIONAL JOUNAL OF RECENT TRCHNOLOGY AND ENGINEERING | Education | Institution |
| INTERNATIONAL JOURNAL FOR APPLIED SCIENCE AND ENGINEERING TECHNOLOGY | Education | Private |
| INTERNATIONAL JOURNAL FOR RESEARCH IN APPLIED SCIENCE AND ENGINEERING TECHNOLOGY | Publishing and Printing | Private |
| INTERNATIONAL JOURNAL OF ADVANCED SCIENCE AND TECHNOLOGY | Education | Private |
| INTERNATIONAL JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING | Others | Private |
| INTERNATIONAL JOURNAL OF ENGG. AND ADVANCED TECHNOLOGY | Education | Private |
| INTERNATIONAL JOURNAL OF ENGINEERING AND TECHNOLOGY | Publishing and Printing | Private |
| INTERNATIONAL JOURNAL OF ENGINEERING AND ADVANCED TECHNOLOGY | Publishing and Printing | Private |
| INTERNATIONAL JOURNAL OF INNOVATIVE TECHNOLOGY AND EXPLORING ENGINEERING | Publishing and Printing | Private |
| INTERNATIONAL JOURNAL OF PSYCHOSOCIAL REHABILITATION | Publishing and Printing | Private |
| INTERNATIONAL JOURNAL OF RECENT TECHNOLOGY AND ENGG. | Education | Private |
| INTERNATIONAL JOURNAL OF RECENT TECHNOLOGY AND ENGINEERING | Publishing and Printing | Private |
| INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENTAND RESEARCH | Education | Private |
| INTERNATIONAL JOURNAL OF SIMULATION SYSTEMS, SCIENCE & TECHNOLOGY | Publishing and Printing | Private |
| INTERNATIONAL JOURNAL OF SUSTAINABLE ENGINEERING | Publishing and Printing | Private |
| INTERNITY FOUNDATION | IT | Private |
| INTERNSHALA | Education | Private |
| INTROIT TECHNOLOGIES | Engineering | Private |
| INTU LOGIC | Logistics | Private |
| IPR | Engineering | Government Body |
| ISIEINDIA | Engineering | Private |
| ISOFT PVT LTD | IT | Private |
| ITECH SOLUITONS | IT | Private |
| JAIN HOUSING & CONSTRUCTION LTD,, | Engineering | Private |
| JEEVAN GNANODHAYA SCHOOL | Education | Private |
| JEPPIAR ENGINEERING COLLEGE | Education | Private |
| JK ENTERPRISES | Engineering | Private |
| JOHNSON & CONTROLS, INDIA, PUNE | Engineering | Private |
| JOLARPET RAILWAY STATION | Transport | Government Body |
| JOURNAL OF ADVANCED RESEARCH IN DYNAMICAL AND CONTROL SYSTEMS | Education | Private |
| JOURNAL OF CRITICAL REVIEWS | Education | Private |
| JOURNAL OF PHYSICS CONFERENCE SERIES | Publishing and Printing | Private |
| JOURNAL OF STRUCTURAL ENGINEERING | Engineering | Government Body |
| JP INFOTECH | IT | Private |
| JRA ANALYTICS | IT | Private |
| JT ALU GLAZING | Engineering | Private |
| JUST DIAL | IT | Private |
| K.S.V. CONSTRUCTIONS | Engineering | Private |
| KAASHIV INFO TECH | IT | Private |
| KAASHIV INFO TECH | IT | Private |
| KAASIVE INFOTECH | IT | Private |
| KALAIVANI ELECTRICALS | Engineering | Private |
| KAROMI TECHNOLOGY | IT | Private |
| KARVY STOCK BROCKING LTD. | Consulting | Private |
| KILPAUK WATER TREATMENT PLANT | Engineering | Government Body |
| KJK MEISTERHONEN (P) LTD. | IT | Private |
| KOTAK INFINITI, MUMBAI | Others | Private |
| KOTAK LIFE INSURANCE | Others | Private |
| KSN AUTOMOBILES | Automobiles | Private |
| KWIKLYTE LUMINARIES PVT LTD | Manufacturing | Private |
| LAKIREDDY BALI REDDY COLLEGE OF ENGINEERING | Education | Institution |
| LAPSYS INFOTECH PVT LTD | IT | Private |
| LEMA LABS TECHNOLOGIES PRIVATE LTD | Engineering | Private |
| LOCO | Engineering | Government Body |
| LSB TEMERITY INFRA PVT. LTD. | Engineering | Private |
| MAATRAM SOFTWARE SOLUTION | IT | Private |
| MADRAS FERTILIZERS LTD | Manufacturing | Government Body |
| MADRAS INSTITUTE OF TECHNOLOGY | Engineering | Government Body |
| MADRAS RADIATORS & PRESSING LTD | Engineering | Private |
| MADURANTAKAM COOPERATIVE SUGAR MILLS LTD. | Food Products and Beverages | Private |
| MAESTRO STEEL DETAILING INC | Engineering | Private |
| MAHINDRA & MAHINDRA | Others | Private |
| MAHINDRA & MAHINDRA | Automobiles | Private |
| MAHLE ENGINE COMPONENTS INDIA PVT LTD | Automobiles | Private |
| MANAKULA VINAYAGAR INSTITUE OF TECHNOLOGY | Education | Institution |
| MATH WORKS | IT | Private |
| MAVERIC | IT | Private |
| MAXVAL | IT | Private |
| MERCURY FOUNDATIONS | Engineering | Private |
| METCHEM INDUSTRIES | Consulting | Private |
| METRO RAIL TRANSPORT SYSTEMIN EGMORE | Engineering | Government Body |
| METRO RAIL CHENNAI | Engineering | Government Body |
| METTUR THERMAL PLANT, METTUR | Power | Private |
| METTUR THERMAL POWER STATION. | Power | Government Body |
| MHRD | Education | Government Body |
| MHRD INNOVATION CELL | Others | Government Body |
| MHRD INNOVATION CELL (MINISTRY OF HUMAN RESOURCE DEVELOPMENT ) | Education | Government Body |
| MILEKAL ENGINEERING PVT LTD | Engineering | Private |
| MILTECH INDUSTRIES PVT LTD | Rubber and Plastic Products | Private |
| MINDTREE | IT | Private |
| MOBIUS KNOWLEDGE SERVICES | IT | Private |
| MOTHERSON AUTOMOTIVE TECHNOLIGIES & ENGINEERING | Automobiles | Private |
| MPHASIS | IT | Private |
| MSME | Others | Government Body |
| MUTHUKUMARAN CONMSTRUCTIONS | Engineering | Private |
| NASSCOM | HR | Association |
| NATIONAL HOSPITAL | Healthcare | Private |
| NATIONAL HRD NETWORK | IT | Private |
| NATIONAL INST. OF TECH. TEACHERS TRG AND RESEARCH INST. | Consulting | Government Body |
| NATIONAL INSTITUTE OF OCEAN TECHNOLOGY | Engineering | Institution |
| NATIONAL SMALL INDUSTIRES CORPORATION | Engineering | Government Body |
| NAVIN HOUSINGS & PROPERTIES | Engineering | Private |
| NBCC LIMITED NEW DELHI | Real Estate | Private |
| NCTPS | Power | Government Body |
| NEEYAMO | IT | Private |
| NEWGEN | IT | Private |
| NEWGEN SOFTWARE TECHNOLOGIES LIMITED | IT | Private |
| NEWTECH ENGINEERINGS PVT. LTD. | Manufacturing | Private |
| NEWTECH PRECISION PRODUCTS PVT LTD | Engineering | Private |
| NEXGEN | Engineering | Private |
| NEXTECH INFOWAY | Engineering | Private |
| NEYES TECHNOLOGIES | IT | Private |
| NIIT | Education | Private |
| NIMBLE MIND TECHNOLOGIES | IT | Private |
| NIOT | Engineering | Government Body |
| NIWE CHENNAI | Energy | Government Body |
| NLC | Power | Government Body |
| NLC INDIA | Mining | Public Sector Unit (PSU) |
| NOKIA | IT | Private |
| NORTH CHENNAI THERMAL POWER STATION | Engineering | Government Body |
| NSIC | Others | Government Body |
| NTT DATA | IT | Private |
| NTT DATA | IT | Private |
| NUCLEAR POWER CO-OPERATION OF INDIA PVT LTD | Energy | Government Body |
| NUTECH ENGINEERING TECHNOLOGIES LTD. | Engineering | Private |
| ODYSSEY TECHNOLOGIES | IT | Private |
| OG SOFTWARE SOLUTIONS PRIVATE LIMITED | IT | Private |
| OMEGA | Others | Private |
| OMEGA HEALTH CARE | Healthcare | Private |
| ONE YES TECHNOLOGIES | IT | Private |
| OPPO MOBILE | Telecom | Private |
| ORACLE | IT | Private |
| ORACLE | IT | Private |
| ORACLE ACADEMY | IT | Private |
| OULUS TECHNOLOGIES | IT | Private |
| P2B ENGINEERS | Engineering | Private |
| P2B ENGINEERS AND TECHNOLOGIES | IT | Private |
| PALS INDIA PVT LTD. | Education | Private |
| PANTECH | IT | Private |
| PANTECH | Engineering | Private |
| PANTECH PRO ED PVT LTD | Engineering | Private |
| PANTECH SOLUTION PVT LTD | IT | Private |
| PAREKH GROUP | Logistics | Private |
| PARLE AGRO | Food Products and Beverages | Private |
| PEARSON | Publishing and Printing | Private |
| PMI | Others | Private |
| PONMANI ENGINEERING PVT | Engineering | Private |
| POONDI RESERVOIR | Engineering | Government Body |
| POWER GRID CORP OF INDIA | Engineering | Government Body |
| PRABAL MOTORS PVT LTD | Automobiles | Private |
| PRAKASH INDUSTRIES LIMITED | IT | Private |
| PRASAR BHARATHI | Media | Government Body |
| PRIMEFORT PVT.LTD. | Manufacturing | Private |
| PRODAPT | IT | Private |
| PROFESSIONAL ELEVATORS | Engineering | Private |
| PROTEC SOFT | IT | Private |
| PROTECH | IT | Private |
| PSNA COLLEGE OF ENGINEERING AND TECHNOLOGY | Education | Private |
| PUBLIC WORKS DEPARTMENT | Engineering | Government Body |
| PUBLICIS MEDIA | Media | Private |
| PUBLICIS SAPIENT | Consulting | Private |
| PURVA SHAREGISTRY (INDIA) PRIVATE LIMITED | IT | Private |
| PYROFERUS TECHNOLOGIES | IT | Private |
| Q SPIDERS | IT | Private |
| RAMCO CEMENT LTD | Manufacturing | Public Limited Company |
| RAMCO SYSTEMS | IT | Private |
| RANE TRW LTD | Basic Metal and Steel | Private |
| RANI HI-TECH ENGINEERING | Others | Private |
| RASCI INSTRUMENTS | Engineering | Private |
| RCMC SHARE REGISTRY PVT LIMITED | IT | Private |
| RED HAT | Education | Private |
| RED HAT | IT | Private |
| REDE TECHNOLOGIES | IT | Private |
| REE LABS | Pharmaceutical | Private |
| REGIONAL METEOROLOGICAL CENTER, CHENNAI | Others | Public Limited Company |
| RELIANCE PETROCHEMICAL INDUSTRY LIMITED (IPCL) NAGOTHANE | Chemicals | Private |
| RELIANCE RETAIL | FMCG | Private |
| RENAULT NISSAN | Manufacturing | Private |
| RENAULT NISSAN | Automobiles | Private |
| RETECH SOLUTION | IT | Private |
| RETECH SOLUTION PVT LTD | IT | Private |
| RETECH SOLUTIONS PVT LTD | Engineering | Private |
| REVO TECHNOLIGES AND ENTERPRISES | Machinery and Equipment | Sole Proprietorship |
| REVO TECHNOLOGIES | Manufacturing | Sole Proprietorship |
| REVO TECHNOLOGIES AND ENTERPRISES | Machinery and Equipment | Sole Proprietorship |
| RITISHA TEXTILES ICHALKARANJI | Textiles | Private |
| RMD ENGINEERING COLLEGE | Education | Private |
| RS WINDTECH ENGINEERS PRIVATE LIMITED | Engineering | Private |
| RSN INFOTECH PVT LTD | IT | Private |
| S. K. INFOSOLUTIONS PRIVATE LIMITED | IT | Cooperative |
| SAAI RAJALI CONSTRUCTION PRIVATE LIMITED | Others | Private |
| SAINT GOBAIN | Engineering | Private |
| SAIPEM INDIA PROJECTS LIMITED | Engineering | Private |
| SAKTHI TRANSFORMER | Engineering | Private |
| SALESFORCE | IT | Private |
| SANDS | Engineering | Private |
| SANDVIK COROMANT | Manufacturing | Private |
| SANMAR | Manufacturing | Private |
| SANMINA | Engineering | Private |
| SAP SUCCESS FACTORS | IT | Private |
| SATHANOR DAM | Engineering | Government Body |
| SATHISH DHAWAN SPACE CENTRE | Engineering | Government Body |
| SATISH DHAWAN SPACE CENTRE | Engineering | Government Body |
| SCALABLE COMPUTING PRACTICE AND EXPERIENCE | Publishing and Printing | Private |
| SEOYON ELECTRONICS | Manufacturing | Private |
| SERC-CSIR | Engineering | Government Body |
| SEWAGE TREATMENT PLANT | Engineering | Public Sector Unit (PSU) |
| SEWAGE TREATMENT PLANT | Engineering | Government Body |
| SF SONIC BATTERIES | Energy | Private |
| SFP SONS (INDIA) PRIVATE LIMITED | Chemicals | Private |
| SFP SONS INDIA PRIVATE LIMITED | Manufacturing | Private |
| SHANKAR NETHRALAYA | Healthcare | Private |
| SHREE BAIDYANATH AYURVED BHAWAN | Pharmaceutical | Private |
| SHRI NDA TECHNOLOGY | Manufacturing | Private |
| SIFI TECHNOLOGIES | Engineering | Private |
| SIFY TECHNOLOGIES LIMITED | IT | Private |
| SIQSESS TECHNOLOGIES | IT | Private |
| SKILL LYNC | Engineering | Private |
| SKY HOME ENTERPRISES | Engineering | Private |
| SLN TECHNOLOGIES | Engineering | Private |
| SOFTWARE - PRACTICE AND EXPERIENCE | Publishing and Printing | Private |
| SOLIZE INDIA TECHNOLOGIES PRIVATE LIMITED | Engineering | Private |
| SOLVER MINDS | IT | Private |
| SOPRA STERIA | IT | Private |
| SOUTHERN RAILOWAY | Transport | Government Body |
| SOUTHERN RAILWAY | Transport | Government Body |
| SPORA STERIA | IT | Private |
| SR PRECISION COMPONETS PVT LTD | Automobiles | Private |
| SRI BALAJI CASTING PVT. LTD | Machinery and Equipment | Private |
| SRI SAI RAM INSTITUTE OF TECHNOLOGY | Education | Private |
| SRI SAI RAM INSTITUTE OF TECHNOLOGY | Engineering | Private |
| SRI SAIRAM ENGINEERING COLLEGE | Education | Private |
| SRIRAM CONSTRUCTIONS | Engineering | Private |
| SRM UNIVERSITY | Education | Private |
| SSM INSTITUTE OF ENGINEERING AND TECHNOLOGY | Education | Private |
| SSN COLLEGE OF ENGINEERING | Education | Private |
| STEEL AUTHORITY OF INDIA | Engineering | Government Body |
| STIGMATA SOLUTIONS | IT | Private |
| STRUCTURAL ENGINEERING RESEARCH CENTRE | Engineering | Government Body |
| SUNOIDA | Others | Private |
| SUNRAYS TECHNOLOGIES | IT | Private |
| SURYA INFORMATICS | IT | Private |
| SURYA INFORMATICS SOLUTIONS PRIVATE LIMITED, CHENNAI | IT | Private |
| SURYA INFORMATICS SOLUTIONS PVT. LIMITED | IT | Private |
| SUTHERLAND | IT | Private |
| SYNTEL | IT | Private |
| SYS ARC INFORMATICX PVT LTD | Engineering | Private |
| SYS ARC INFORMATIX PRIVATE LIMITEDINDI | IT | Private |
| SYSVEDA INFORMATION TECHNOLOGY PVT LTD | IT | Private |
| SYSVINE TECHNOLOGIES PVT LTD | IT | Private |
| T V SUNDRAM IYENGAR & SONS PRIVATE LIMITEDD, MADURAI. | Engineering | Private |
| TAFE | Automobiles | Private |
| TAFE ACCESS LIMITED | Engineering | Private |
| TAGALY S | IT | Private |
| TAMIL NADU CEMENTS CORPORATION LTD | Manufacturing | Government Body |
| TAMIL NADU POLICE HOUSING CORPORATION | Engineering | Public Limited Company |
| TAMILNADU STATE COUNCIL FOR SCIENCE AND TECHNOLOGY | Agriculture | Government Body |
| TAMILNADU STATE COUNCIL FOR SCIENCE AND TECHNOLOGY | IT | Government Body |
| TANGEDCO | Power | Public Limited Company |
| TATA CONSULTANCY SERVICES | IT | Public Limited Company |
| TATA ELXSI | IT | Private |
| TAYANA SOFTWARE SOLUTIONS | IT | Private |
| TCS | Engineering | Private |
| TCS | IT | Private |
| TCS DIGITAL | IT | Private |
| TCS NINJA | IT | Private |
| TECHNO SPURS | IT | Private |
| TECHNOCRAT AUTOMATION | Education | Private |
| TELECENTRE ENTERPRENEUR COURSE | Engineering | Public Limited Company |
| TESCOM | Engineering | Private |
| TEST ENGINEERING AND MANAGEMENT | Engineering | Private |
| TEXRON PPS | Manufacturing | Private |
| THE INSTITUTION OF GREEN ENGINEERS | Engineering | Public Sector Unit (PSU) |
| THERMAL ENERGY SYSTEMS | Energy | Partnership |
| THERMAL POWER STATION - ENNORE | Power | Government Body |
| THINK INDIA JOURNAL | Publishing and Printing | Private |
| TI DIAMOND CHAINS | Engineering | Private |
| TICKET GOOSE | Logistics | Private |
| TNEB | Power | Government Body |
| TOP ENGINEERS | Design | Private |
| TORRY HARRIS | IT | Private |
| TRESELLE SOFTWARE PRIVATE LIMITED | IT | Private |
| TVS NEXT PVT LTD | Others | Private |
| TVS SUNDARAM AUTO COMPONENTS LIMITED | Manufacturing | Private |
| TVS SUNDARAM CLAYTON LTD. | Manufacturing | Private |
| TVS TRAINING & SERVICES LTD | Automobiles | Private |
| UC SAN DIEGO | Education | Government Body |
| ULTRA TECH CEMENT | Engineering | Private |
| UNIBROS TECHNOLOGIES | IT | Private |
| UNIPHORE SOFTWARE SYSTEMS | Engineering | Private |
| UNIQ TECHNOLOGIES | Consulting | Private |
| UNIQ TECHNOLOGIES | IT | Private |
| UNIQ TECHNOLOGIES | IT | Private |
| UNIQUE TECHNOLOGIES | IT | Private |
| UNITED INDIA PLASTICS PRIVATE LIMITED | Engineering | Private |
| UNIVERSITY OF PETROLEUM AND ENERGY | Education | Government Body |
| UNIVERSITY OF TECHNOLOGY PETRONS | Education | Institution |
| UNIVERSITY OF TEXAS | Education | Private |
| URJANET | IT | Private |
| V2H ENGINEERING | Manufacturing | Private |
| VAJRO GREETA TECH PARK | IT | Private |
| VALLIAMMAI ENGINEERING COLLEGE | Education | Private |
| VANAN ONLINE SERVICES | IT | Private |
| VAYA FINSERV | Others | Private |
| VECTRA TECHNOSOFT PVT LTD | IT | Private |
| VEDHA | Others | Private |
| VELLORE INSTITUTE OF TECHNOLOGY | Education | Private |
| VESTAS WIND TECHNOLOGY INDIA PVT LTD | Energy | Private |
| VI MICRO SYSTEM | Manufacturing | Private |
| VIMLEEZ SOFTWARE | IT | Private |
| VIMLEEZ SOFTWARE PVT.LTD. | IT | Private |
| VINAYAKA AGRO PRODUCTS | Agriculture | Private |
| VIRTUSA | IT | Private |
| VIT | Education | Institution |
| VIT | Education | Private |
| VMWARE | IT | Private |
| VMWARE | IT | Private |
| VOLTECH | Engineering | Private |
| VORTEX ENGINEERING | IT | Private |
| VSSC | Others | Government Body |
| VURAM TECHNOLOGIES | IT | Private |
| WAFFEN-UND KOSTUMKUNDE JOURNAL | Education | Private |
| WAFFEN-UND KOSTUMKUNDE JOURNAL | Publishing and Printing | Private |
| WELDCRAFT | Manufacturing | Private |
| WIPRO | IT | Private |
| WIPRO TECHNOLOGIES | IT | Private |
| WIPRO TECHNOLOGIES LTD | IT | Private |
| WONDER CEMENT LIMITED (RAJASTHAN) | Engineering | Private |
| WORK SPOT | Engineering | Private |
| WORKSBOT APPLICATION | Telecom | Private |
| WORLD OF JASS | Others | Private |
| XCEL CORP PVT LTD | Engineering | Private |
| XL SOFTECH SYSTEMS LIMITED | IT | Private |
| XSEED ITEMS | IT | Private |
| ZOHO | IT | Private |
| ZOHO COMPANY | IT | Private |
| ZOHO CORPORATION | IT | Private |
| ZOOM RX | IT | Private |
| ZOOM RX | IT | Private |
