- M.P. State Power Transmission Corporation Limited (MPPTCL)
- Bihar State Electricity Bard
- Chhattisgarh State Electricity Board
- Meghalaya State Electricity Board
- Gujarat State Electricity Board
- Maharashtra State Electricity Board
- Haryana Power Generation Corpn. Ltd.
- Uttaranchal Power Corporation Limited
- Jharkhand State Electricity Board.
- Tehri Hydro Power Corporation Ltd.
- MPPKVVNLimited (Jabalpur)
List of Worthy Clientele
Power Utility -State Sector
Private Sector
- JK Electric Engineers Private Limited
- Areva T& D India Limited
- L & T Limited(Faridabad)
- KEC Internation(Gurgaon)
- Kalpatru Power Transmission Limited
- ABB Limited
- Crompton Greaves Limited
- Nokia India Limited
- Tata Projects Ltd,
- NELCO Limited
- BCPL Railway Infrastructure Limited.
- CIMECHEL Electric Co.
- Sikka Salasar TV.
- ABB Birla Kent Limited
- Cobra Instalaciones y Servicios, S.A.
- Green Power Transmission
- S. R. Vidyut Engineering
- Trains Rail Lighting
- Ambuja Cement Limited
- Siddhartha Constructions
- Varsanna Ispat Limited
- New Modern Technomech Limited
- Padmapat Engineers
- Trident Technical Resources Private Limited
- Picasona Enterprises
Railways
• Northern Railway
• Central Railway
• Western Railway
• North Eastern Railway
• Southern Railway
• South Central Railway
• South Eastern Railway
• South Western Railway
• West Central Railway
• Northeast Frontier Railway
• Chittaranjan Locomotive Works
• Integral Coach Factory
• Rail Coach Factory
• Eastern Railway,
• North Western Railway
• East Cost Railway,
• North Central Railway
• East Central Railway,
• South East Central Railway.
• Central Organization Of Railway Electrification (CORE)
• Diesel-Loco Modernisation Works(DLMW)
State Govt Department
- Gujarat Water Supply & Sewerage Board
- Irrigation Department of U.P.
- Public Health & Irrigation Department of Rajasthan
- Maharashtra State Road Transport
- Tamilnadu Water Supply and Drainage Board
- GSDA, pune.
CPSE/CPSU/PSU'S
- Indian Oil Pipe Line Division – Noida
- National Thermal Power Corpn. Limited (NTPC)
- Bhabha Atomic Research Centre (BARC)
- Department of Atomic Energy
- Central Electronics Limited (CEL)
- National Physical Laboratory
- Defence Rearch Development Organisation(DRDO)
- All India Radio & Doordarshan
- Singareni Colleiry Limited (SCCL)- Kothagudem
- Guwahati Refinery
- Mathura Refinery
- Barauni Refinery
- Haldia Refinery
- Panipat Refinery
- Digboi Refinery
- Refinery Gujarat Refinery
- Indira Sagar Power Station (NHDC)
- Bongaigaon Refinery
- Indian Air Lines Limited
- Airport Authority of India
- Tamil Nadu Newsprint & Paper Limited
- Heavy Engineering Corporation
- Visakhapatnam Port Trust
- Chennai Port Trust
- Bharat Earth Movers Limited
- Hindustan Paper Corporation Limited – Nagaon & Cachar Paer Mill.
- Hindustan Copper Limited (Malanjkhand & khetri)
- Central Public Works Department (CPWD)
- Bongaigaon Refinery & Petrochemicals Limited
- NEEPCO Limited
- Northern Coalfields Limited (NCL)
- Bharat Cooking Coal Limited (BCCL)
- Central Coalfield Limited (CCL)
- South Eastern Coalfield Limited (SECL)
- Western Coalfield Limited (WCL)
- Mahanadi Coalfield Limited (MCL)
- Manganese Ore India Limited (MOIL)
- SAIL – Bhilai Steel Plant
- SAIL – Bokaro Steel Plant
- SAIL – Rourkela Steel Plant
- Neyveli Lignite Corporation
- Nuclear Power Corporation of India Limited (NPCIL)