Ministry of Defence

• Ministry of Defence
• Ordnance Factories
• Indian Air Force
• Indian Navy
• Army
• Hindustan Aeronautics Ltd.

Oil Refineries

• Indian Oil Corporation Ltd.
• Hindustan Petroleum Corp. Ltd.
• Bharat Petroleum Corp. Ltd.
• Indian Petrochemicals Corp. Ltd.
• Oil India Limited
• Cochin Refineries Ltd.
• Madras Refineries Ltd.
• Bongaigaon Refineries & Petrochemicals Ltd.
• Southern Petrochemicals Ind. Corp. Ltd.
• Numaligarh Refinery Ltd.
• IBP Company Ltd.

Thermal Power Projects

• National Thermal Power Corp. Ltd.
• U. P. State Electricity Board
• Punjab State Electricity Board
• National Hydro Elec. Power Corp. Ltd.
• Karnataka Electricity Board
• Maharashtra State Electricity Board
• Rajasthan State Electricity Board
• Bechtel-Dhabol Power Project
• A. P. Power Corp. Hyderabad
• Ratnagiri Gas & Power Project Ltd.

Port Trusts

• Mumbai
• Jawaharlal Nehru Port
• New Manglore
• Mazagaon
• Chennai
• Calcutta
• Cochin
• Vishakhapatnam
• Paradeep
• Haldia

Civil Aviation

• International Airports Authority
• National Airports Authority
• Indira Gandhi Rashtriya Udan Academy
• GMR Hyderabad Airport

Oil & Natural Gas Commission

• Western Region
• Eastern Region
• West Bengal Project
• Bombay Off Shore Project
• Tripura Project
• Cauvery Project
• Rajahmundari Project

Fertilizer Complexes

• Zuaro Agro & Chem. Ltd.
• Tata Chem. & Fertilizers Ltd.
• Chambal Fertilizers Ltd.
• Rashtriya Chem. & Fertilizers Ltd.
• Indian Farmers & Fertilizers Co-op. Ltd.
• Krishak Bharati Corp. Ltd.
• Hindustan Fertilizers Corp. Ltd.
• Fertilizers & Chem. Travancore Ltd.
• Indo - Gulf Fertilizers Ltd.
• Oswal Chem & Fertilizers Ltd.
• Gujrat State Fertilizers Company Ltd.
• Nagarjuna Fertilizers & Chem. Ltd.
• Manglore Chem & Fertilizers Ltd.

State Fire Services

• Andhra Pradesh
• Assam
• Jammu & Kashmir
• Karnataka
• Kerala
• Orissa
• M. P. Fire Service
• Tripura
• Uttar Pradesh
• West Bengal
• Goa
• Tamil Nadu
• Bihar
• Maharashtra
• Meghalaya
• Himachal Pradesh
• Mizoram
• Delhi

Atomic Energy Establishments

• Kalpakkam
• Kakrapar
• Narora
• Tuticorin
• Bhabha
• Kota

Corporations

• Bharat Earth Movers Ltd.
• National Aluminium Co. Ltd.
• Bharat Aluminium Corp. Ltd.
• Damodar Valley Corp.
• Central Industrial Security Force
• Bharat Heavy Electricals Ltd.
• Indian Rare Earths Ltd.
• Tata Iron & Steel Co. Ltd.
• Tata Engg. & Locomotive Co. Ltd.
• Maruti Udyog Ltd.
• Indian Telephones Industries Ltd.
• Heavy Engineering Corp. Ltd.
• Western Coalfields Ltd.
• South Eastern Coalfields Ltd.
• Indian Airlines
• Asia Brown Boveri Ltd.
• Eicher Motors Ltd.
• Swaraj Mazda Ltd.
• Ashok Leyland Ltd.

Municipal Fire Brigades

• Mumbai
• Thane
• Nasik
• Indore
• Pune
• Nagpur

Steel Plants

• Durgapur
• Bokaro
• Bhilai
• Visakhapatnam
• Mideast Intrigated Steel
• Midest Intigrated Steel

Cement Projects

• Binani Cement
• Vikram Cement
• Grasim Cement
• Shree Cement
• Raj Cement
• J.P. Associates

National Fire Service College