| Agency Names |
| American Bureau of Shipping Ltd.(ABS) |
| Baxcounsel Inspection Bureau Pvt. Ltd. |
| Bhabha Atomic Research Centre (BARC) |
| Bharat Heavy Plates & Vessels Ltd.(BHPV) |
| Bharat Petroleum Corporation Ltd.(BPCL) |
| Bharat Pump & Compressors Ltd. |
| Bureau of Indian Standards (B.I.S.) |
| Bureau Veritas Industrial Services (I) Pvt. Ltd.(BVIS) |
| Chemtex Engineering India Ltd.(CEIL) |
| Chempro Inspections Pvt. Ltd |
| Chief Inspector of Boilers, Maharashtra |
| Chief Inspectorate of Naval Stores |
| Dalal Consultants & Engineers Pvt. Ltd. |
| Det Norske Vertias (DNV) |
| Electromech Engineering Enterprises (EEE) |
| Engineers India Ltd. (EIL) |
| FEDO |
| Gharda Chemicals Ltd.(GCL) |
| Humprey's & Glassgow Consultants (I) Ltd.(JH&G) |
| Indo Berolina Industries Pvt. Ltd. (IBI) |
| Indian Register of Shipping (IRS) |
| Industrial Consultancy & Inspection Services(ICIS) |
| Kinetics Technology India Ltd. (KTI) |
| Kvaerner Powergas India Ltd.(KPGIL) |
| Larsen & Toubro Ltd. (L & T) |
| Lloyd's Register (Industrial Services) Pvt. Ltd. |
| M. N. Dastur & Company Ltd. |
| Mahindra and Mahindra Ltd. |
| Merchantile Marine Department (MMD) |
| Metallurgical & Engg. Cons. (I) Ltd. (MECON) |
| Met Lab Services Pvt. Ltd. |
| National Thermal Power Corporation (NTPC) |
| Nuclear Power Corporation (NPC) |
| Oil & Natural Gas Commission (ONGC) |
| Pipecon Consultants (India) Pvt. Ltd. |
| Planning & Development (India) Pvt. Ltd(PDIL) |
| Profen Engineering Services Pvt. Ltd. |
| Quality Assurance Establishment |
| Quality Assurance Group |
| Quality Inspection Pvt. Ltd. |
| Quest Inspection |
| Rail India Technical & Economic Service Ltd.(RITES) |
| R. J. Associates |
| Saccardande Engineers (SE) |
| Safess Quality Management Pvt. Ltd. |
| Samarth Inspection Pvt. Ltd.(SIPL) |
| SGS India Ltd. |
| Sharpetch Inspection Services |
| Shroff & Associates (Engineers) Pvt. Ltd. |
| Southern Petrochemical Industries Corpn. Ltd.(SPIC-SMO) |
| Tata Consulting Engineers (TCE) |
| Tata Projects Limited (TPL) |
| Technimont ICB Ltd.(TICB) |
| Toyo Engineering India Ltd.(TEIL) |
| T.U.V. (India) Ltd. |
| UHDE India Ltd. |
| Vikram Sarabhai Space Centre(VSSC). |
