Power Plants

• Andhra Pradesh Power Generation Corporation
• Alstom Power India Limited.
• Kolaghat Thermal Power
• Neyveli Lignite Corporation Limited.
• West Bengal Power Development Corporation Limited.
• Damodar Valley Corporation ( DVC )
• Ennore Thermal Power Plant
• Nuclear Power Corporation of India Limited

Steel Plants

• Rastriya Ispat Nigam Limited.
• Visweswaryya Iron & Steel Limited
• Vizag Steel  Plant
• Salem Steel Plant
• Durgapur Steel Plant
• Bokaro Steel Plant
• SAIL - Bhadravati

Pressure & Temperature Gauge Manufacturers

• Waaree Instruments Limited.
• D P instruments Limited.
• D V S Instruments
• Dynamic Gauges P.Limited.
• Forbes Marshall P.Limited.
• Gauges Bourdon (I) Limited.
• Goa Thermostatic P.Limited.
• Goa Instruments
• M I C Instruments

Chemical Plants

• Rastriya Chemicals & Fertilizers ( R C F L )
• Hindustan Petro Chemicals Limited..
• Chemfab Alkalies

Sugar Factories

• Malegaon SSK Limited
• Lokmangal SSK Limited.
• Nasik SSK Limited.
• BhagyaLaxmi SSK Limited.
• Jawahar SSK Limited.
• Davengeri Sugar
• Mahatma Gandhi SSK Limited.
• Mrudagit SSK Limited.
• S P R Sugars Limited
• Shree Datta SSK Limited.
• Shakti Sugars
• Bannari Amman Sugars

Cement Plants

• C L India Limited
• Rajashree Cement

Sugar Plants

• Walchandnagar Industries Limited.
• National Heavy Engineering Corporation
• Thyssen Krupp

Projects

• Gas Authority of India Limited ( G A I L )
• Oil & Natural Gas Commission ( O N G C )

Fertilizers

• Indian Farmers Fertilizers Co-operative Limited - Phulpur Unit
• Indian Farmers Fertilizers Co-operative Limited - Kandla Unit
• Indian Farmers Fertilizers Co-operative Limited - Aonla Unit
• Mangalore Chemicals & Fertilizers Limited

Shipping

• Garden Reach Ship Builders
• Heinen & Hopmen
• Hindustan Shipyard
• Goa Shipyard
• ABG Shipyard 

Dashboard Manufacturers

• Continental Automotives
• Minda Stoneridge Instruments Limted.
• Tafe Limited

Instrumentation

• Rishabh Instruments Pvt.Limited.
• Esbee Industrial Corporation  Limited.
• V R L Automation P.Limited.
• Instrumentation Limited. ( KOTA ) 

C N G Manufacturers 

• Vanaz Engineers Limited
• Minda Instruments Limited
• Sagas Autotech