Third Party Approvals
- Ministry of Defence
- Engineers India Ltd. (EIL)
- Lloyd's Register Industrial Ser. (I) Pvt. Ltd.
- Projects & Development India Ltd. (PDIL)
- Bureau Veritas Inspection Ser. (I) Pvt. Ltd.
- Rail India Technical & Economical Services Ltd. (RITES)
- National Thermal Power Corp. Ltd. (NTPC)
- Power Grid Corp. of India Ltd. (PGCIL)
- Nuclear Power Corporation Ltd.
- UHDE India Ltd.
- Technimont ICB Ltd.
- Bharat Heavy Electricals Ltd.
- Tata Consultants/Tata Proj. Ltd.
- Toyo Engineering Corporation.
- Development Consultants Pvt. Ltd. (DCPL)
- Export Inspection Agency (EIA)
- M. N. Dastur & Consult. (I) Ltd.
