State Government and Local Bodies
Andhra Pradesh
- Public Health & Municipal Engineering Department.
- Rural Water Supply & Sanitation.
- Irrigation & CAD Department.
- Andhra Pradesh State Irrigation Development Corporation.
Chhatisgarh
- Raipur Municipal Corporation.
- Bhilai Municipal Corporation.
- Bilaspur Municipal Corporation.
- Korba Municipal Corporation.
Gujarat
- Gujarat Water Supply & Sewerage Board
- Gujarat Water Infrastructure Limited
- Narmada Water Resources
- Rajkot Municipal Corporation
- Surat Municipal Corporation
- Sardar Sarovar Narmada Nigam Limited
Karnataka
- Bangalore Water Supply & Sewerage Board
- Karnataka Water Supply & Drainage Board
- Karnataka Power Corporation Ltd.
Madhya Pradesh
- Public Health Engineering Department
- Bhopal Municipal Corporation
- Indore Municipal Corporation
- Madhya Pradesh State Electricity Board
Maharashtra
- Maharashtra Jeevan Pradhikaran
- Maharashtra Industrial Development Corporation
- Maharashtra Krishna Valley Development Corporation
- Vidarbh Irrigation Development Corporation
- Godavari Marathwada Irrigation Development Corporation
- Pune Municipal Corporation
- Municipal Corporation of Greater Mumbai
- Navi Mumbai Municipal Corporation
- Thane Municipal Corporation
Odisha
- Rural Water Supply and Samitation
Rajasthan
- Public Health Engineering Department
Tamil Nadu
- Tamilnadu Water Supply & Drainage Board
- Chennai Metropolitan Water Supply & Sewerage Board
- Coimbatore Municipal Corporation
- Madurai Municipal Corporation
Telangana
- Public Health & Municipal Engineering Department.
- Mission Bhagiratha Department.
- Hyderabad Metropolitan Water Supply and Sewerage Board.
- Irrigation & CAD Department.
- Telangana State Irrigation Development Corporation.
Other
- Kerala Water Authority
- Himachal Pradesh State Electricity Board
Central Government
- Indian Railways
- Indian Railway Construction Company (IRCON)
- Rail India Technical And Engineering Services (RITES)
- Bharat Heavy Electricals Limited (BHEL)
- National Hydro Power Corporation (NHPC)
- National Thermal Power Corporation (NTPC)
- Indian Farmers Fertiliser Co Operative Limited (IFFCO)
- Satlaj Jal Vidyut Nigam Limited (SJVN)
Private Sector