Third Party Approvals
- ABS
- BCD Consultants
- Bharat Pumps & Compressors Ltd
- CEIL
- Chittaranjan Locomotive Works
- Det Norske Veritas
- Deutsche Babcock
- Engineers India Limited
- IGCAR (Dept. of Atomic Energy)
- Instrumentation Ltd
- IRS
- Krishak Bharati Co-operative Ltd.
- Lloyds Register
- Nuclear Power Corporation of India Limited
- Oil & Natural Gas Corpn. Limited
- PDIL
- RITES
- SGS
- Tata Projects
- TUV
- WE for DMDE Establishment
