Bharat Heavy Electricals Limited (BHEL) is an Indian central public sector undertaking and the largest government-owned electrical/ industrial technology company. It is owned by the Government of India, with administrative control by the Ministry of Heavy Industries. Established in 1956 with the help of Soviet technology, BHEL is based in New Delhi.
Chittaranjan Locomotive Works (CLW) is an electric locomotive manufacturer based in India. The works are located at Chittaranjan in the Asansol Sadar subdivision of West Bengal, with an ancillary unit in Dankuni. The main unit is 32 km from Asansol’s City Bus Terminus and 237 km from Kolkata. CLW has stores and offices in Kolkata, as well as inspection cells in New Delhi, Mumbai, Kolkata, and Bangalore. It is the largest locomotive manufacturer unit in the world, producing 431 locomotives in 2019–20.
BEML Limited, formerly Bharat Earth Movers Limited, is an Indian public sector undertaking which manufactures a variety of heavy equipment, such as that used for earth moving, railways, transport and mining. It is headquartered in Bangalore. BEML is Asia's second-largest manufacturer of earth moving equipment. Its stock trades on the National Stock Exchange of India under the symbol "BEML", and on the Bombay Stock Exchange under the code "500048".
Dankuni is a city and a municipality of Hooghly district in the Indian state of West Bengal. It is a part of the area covered by Kolkata Metropolitan Development Authority (KMDA). Positioned strategically near Kolkata, it has emerged as an important industrial and commercial center in the region. The city's landscape is characterized by a mix of residential areas and industrial zones, reflecting its dual identity as a place of habitation and economic activity.
The Braithwaite Burn & Jessop Construction Company Limited is a Public Sector Undertaking (PSU) of the Government of India under Department of Heavy Industries. Established on 26 January 1935, BBJ Construction Company has been involved in the construction & repairing of Rail Bridges & Rail-cum-Road Bridges, Industrial structural works, Large building foundation, Civil engineering works, Refinery piping works, Railway gauge conversion etc. The company is registered and headquartered in Kolkata.
Bengal Chemicals & Pharmaceuticals Ltd. (BCPL), formerly Bengal Chemical & Pharmaceutical Works Ltd. (BCPW), is an Indian central public sector undertaking under the ownership of Ministry of Chemicals and Fertilizers, Government of India. lt manufactures industrial chemicals, pharmaceuticals like antibiotic injectables, tablets and capsules; and household products.
Bharat Wagon and Engineering Limited (BWEL) was a Public Sector Undertaking (PSU) of the Government of India as a subsidiary of Bharat Bhari Udyog Nigam. The company was established on 4 December 1978 after taking over and merging two sick companies - Arthur Butler & Co and Britannia Engineering Company.
Burn Standard Company Limited (BSCL) is a Public Sector Undertaking (PSU) of the Government of India. Headquartered in Howrah, India, BSCL is engaged mainly in railway wagon manufacturing under the Ministry of Railways. On 4 April 2018, Cabinet approves closure of loss making Burn Standard Company Limited. The company was formed with the merger of two companies – Burn & Company and Indian Standard Wagon, and was nationalised in 1975. In fiscal 2006, the company reported aggregated revenues of ₹1,373 million (US$16 million). Subsequently, the company with its two engineering units at Howrah and Burnpur came under the administrative control of Ministry of Railways in September 2010. The refractory unit at Salem, Tamil Nadu, was transferred to Steel Authority of India Limited.
Rail Vikas Nigam Limited (RVNL) is an Indian central public sector enterprise (PSU) which works as the construction arm of the Ministry of Railways for project implementation and transportation infrastructure development. It was incorporated in 2003 to meet the country's surging infrastructural requirements and to implement projects on a fast-track basis as well as for creating a Railway equipment construction company. RVNL is a Navratna PSU in India under the administrative control of the Ministry of Railways, Government of India.
Vidyasagar Setu, also known as the Second Hooghly Bridge, is an 822.96-metre-long (2,700 ft) cable-stayed six-laned toll bridge over the Hooghly River in West Bengal, India, linking the cities of Kolkata and Howrah. Opened in 1992, Vidyasagar Setu was the first and longest cable-stayed bridge in India at the time of its inauguration. It was the second bridge to be built across the Hooghly River in Kolkata metropolitan region and was named after the education reformer Pandit Ishwar Chandra Vidyasagar. The project had a cost of ₹388 crore to build. The project was a joint effort between the public and private sectors, under the control of the Hooghly River Bridge Commissioners (HRBC).
Jessop & Company Limited was an Indian Government owned engineering company based at Dum Dum, Kolkata, India. It was sold by Government of India to Ruia Group when Atal Bihari Vajpayee and Bharatiya Janta Party was in power. It is part of the Ruia Group of companies, which also owns prominent rubber & tyre companies like Dunlop India and Falcon Tyres.
Public Sector Undertakings (PSU) in India are government-owned entities in which at least 51% of stake is under the ownership of the Government of India or state governments.These type of firms can also be a joint venture of multiple PSUs. These entities perform commercial functions on behalf of the government. Depending on the level of government ownership, PSUs are officially classified into two categories: Central Public Sector Undertakings (CPSUs), owned by the central government or other CPSUs; and State Public Sector Undertakings (SPSUs), owned by state governments. CPSU and SPSU is further classified into Strategic Sector and Non-Strategic Sector. Depending on their financial performance and progress, CPSUs are granted the status of Maharatna, Navaratna, and Miniratna.
The Ministry of Heavy Industries is an executive agency of the Government of India. The Ministry entails for promoting the engineering industry viz. machine tools, heavy electrical, industrial machinery, and auto industry and administration of 40 operating Central Public Sector Enterprises (CPSEs) and 4 autonomous organizations.
The Hooghly Industrial Belt or Kolkata Industrial Belt is India's oldest and second largest Industrial area (Silpancalasilpancalati) the banks of the Hooghly river in the north to the south of Triveni-Kalyani, Uluberia-Biralapura 100 km long and 15–10 km wide zone to the industrial development of the Kolkata district and some part of North 24 Parganas, South 24 Parganas, Nadia, Hooghly district and Howrah district.
Kerala Electrical & Allied Engineering Co. Ltd., also known as KEL, is one among the largest productive public sector undertaking, fully owned company by the Government of Kerala. The company was founded in 1964 and is based in Kochi, India.
Titagarh Rail Systems Limited, is an Indian rolling stock manufacturer. Established in 1984 as a rolling stock foundry unit, the company's headquarters are situated in Kolkata, West Bengal. Titagarh is publicly traded on both the Bombay Stock Exchange (BSE) and National Stock Exchange (NSE).
Jupiter Wagons Limited is an Indian private manufacturer of railway freight wagons, passenger coaches, wagon components, cast manganese steel crossings and castings headquartered in Kolkata, West Bengal. The company manufactures coaches for the Indian Railways and many other private companies.
Texmaco Rail & Engineering Ltd. is a private engineering and infrastructure company based in India. It is primarily engaged in the business of manufacturing railway wagons, coaches, and locomotives, as well as providing related services. The company is headquartered in Kolkata, West Bengal. The company manufactures coaches for the Indian Railways and many other private firms.
₹1,103.91 crore (US$130 million) (2024) [2] 
₹16.47 crore (US$2.0 million) (2024) [2] 
