Manufacturing companies contribute a lot to the economic development of the country. There are many manufacturing companies functioning in the government as well as private sector. The list of manufacturing companies in the government sector is as follows.

List of manufacturing Companies in North Zone

• Projects & Development India Ltd., Noida, Uttar Pradesh
• Central Electronics Limited, Uttar Pradesh
• Indian Oil Corporation Ltd., New Delhi
• British India Corporation Limited (BIC), Kanpur Uttar Pradesh
• Indian Drugs & Pharmaceuticals Ltd, Haryana
• GAIL (India) Limited, New Delhi
• Bharat Immunologicals and Biologicals Corporation Limited (BIBCOL), Uttar Pradesh,
• Fertilizer Corporation. Of India Ltd., Uttar Pradesh
• Indian Medicines & Pharmaceutical Corpn. Ltd., Almora, Uttaranchal
• Triveni Structurals Ltd. Allahabad, Uttar Pradesh
• Scooters India Ltd. Lucknow, Uttar Pradesh
• National Fertilizers Ltd., Noida, Uttar Pradesh
• Artificial Limbs Manufacturing Corporation of India (ALIMCO) ,UP
• Bharat Heavy Electricals Limited (BHEL), New Delhi, India
• Bharat Pumps & Compressors Limited (BPC), Allahabad,UP

List of manufacturing Companies in South Zone

• Vignyan Industries Ltd., Karnataka
• Tungabhadra Steel Products Ltd., Karnataka
• Antrix Corporation, Bangalore
• Bharat Earth Movers Limited (BEML), Bangalore
• Chennai Petroleum Corporation Limited (CPCL), Chennai, Tamil Nadu
• Cochin Shipyard Limited (CSL), Kochi, Kerala
• Fertilisers and Chemicals Travancore (or FACT), Kochi, Kerala
• Hindustan Aeronautics Limited (HAL), Bangalore, Karnataka
• Bharat Dynamics Limited (BDL), Hyderabad
• Bharat Electronics Limited (BEL), Bengaluru
• Bharat Heavy Plate and Vessels Limited (BHPV), Andhra Pradesh
• HMT Machine Tools Ltd.,Bangalore, Karnataka
• Hindustan Newsprint Ltd. (HNL), Kottayam District, Kerala State
• Hindustan Machine Tools, Bangalore, Karnataka
• HMT Watches Ltd., Bangalore, Karnataka
• Mangalore Refinary & Petrochemicals Ltd., Mangalore, Karnataka
• Sponge Iron India Ltd., Andhra Pradesh
• Hindustan Fluorocarbons Limited, Andhra Pradesh
• Hindustan Shipyard Limited (HSL), Visakhapatnam, Andhra Pradesh
• HLL Lifecare Limited (formerly Hindustan Latex Limited) (HLL), Thiruvananthapuram, Kerala
• Hindustan Photo Films Manufacturing Co. Ltd., Ootacamund, Tamil Nadu
• Indian Telephone Industry (ITI Limited), Bangalore, Karnataka
• IDPL (Tamil Nadu) Ltd., Chennai, Tamil Nadu
• Karnataka Antibiotics & Pharmaceuticals Ltd., Karnataka
• Madras Fertilizers Ltd., Chennai, Tamil Nadu
• Mishra Dhatu Nigam, Limited, Hyderabad, Andhra Pradesh
• Hindustan Insecticides, Limited (HIL)
• Rashtriya Ispat Nigam Ltd., Andhra Pradesh

List of manufacturing Companies in West Zone

• Rajasthan Drugs & Pharmaceuticals Ltd.,Jaipur, Rajastan
• Bharat Petroleum Corporation Limited (BPCL),Mumbai, Maharashtra,
• Rajasthan Electronics and Instruments Ltd.,Jaipur, Rajastan
• Sambhar Salts Ltd., Jaipur, Rajastan
• Instrumentation Ltd., Kota, Rajasthan
• Hindustan Salts Ltd., Jaipur, Rajasthan
• BEL Optronic Devices Limited, Maharashtra
• Richardson & Cruddas Ltd., Mumbai, Maharastra
• Maharashtra Elektrosmelt Ltd., Mumbai, Maharashtra
• Mazagon Dock Ltd. Mumbai, Maharashtra
• Hindustan Antibiotics Limited (HAL), Pimpri, Maharashtra
• Hindustan Organic Chemicals Limited (HOCL), Mumbai, Maharashtra,
• Hindustan Petroleum Corporation Limited (HPCL) ,Mumbai, Maharashtra
• Rashtriya Chemicals & Fertilizers, Mumbai, Maharastra
• Hindustan Insecticides Limited (HIL)

List of manufacturing Companies in East Zone

• Tyre Corporation of India, Kolkata, West Bengal
• Heavy Engineering Corporation or HEC, Jharkhand
• Numaligarh Refinary Ltd., Assam
• Balmer Lawrie & Co. Ltd, Kolkata
• Nagaland Pulp & Paper Company Ltd., Kolkata
• Bengal Chemicals & Pharmaceuticals Limited (BCPL), West Bengal
• Bharat Bhari Udyog Nigam (BBUNL), West Bengal
• Brahmaputra Valley Fertilizer Corpn. Ltd., Dibrugarh, Assam
• Bharat Wagon and Engineering Limited (BWEL), Patna, Bihar
• Biecco Lawrie Limited (BLL), Kolkata, West Bengal
• Birds Jute and Export Limited (BJEL), Kolkata,West Bengal
• Bern Standard Company Limited (BSCL), Kolkata, West Bengal
• Cement Corporation of India Limited (CCI)
• Central Inland Water Transport Corpn. Ltd.,Kolkata, West Bengal
• Garden Reach Shipbuilders & Engineers Ltd (GRSE), Kolkata, West Bengal
• Hindustan Cables Ltd., Kolkata, West Bengal
• Hindustan Copper Limited, Kolkata, West Bengal
• Hooghly Dock and Port Engineers Ltd., Kolkata, West Bengal
• National Jute Manufactures Corporation Ltd., Kolkata, West Bengal
• Orissa Drugs & Chemicals Ltd., Bhubaneshwar, Orissa

Ferro Scrap Nigam Ltd., Goa Shipyard Limited (GSL), Hindustan Fertilizer Corpn. Ltd., Hindustan Paper Corporation, Hindustan Vegetable Oils Corporation. Ltd., National Textile Corporation, Security Printing & Minting Corporation India Ltd., Steel Authority Of India Limited etc are some of the fastest growing government companies in the manufacturing sector.