Top 18+ Transformer Manufacturers in Kolkata

Mar 12, 2023 | Transformers | 0 comments

Due to industrialization, globalisation and various innovations in the industrial sector, the role of Power Transformers has become inevitable. Every operation in an industry (small, medium or large scale) direly needs an uninterrupted power supply without any fluctuations. Power Transformers are indispensable as they provide a spontaneous and sustained power supply. A variety of transformers have evolved to meet the needs of various situations in different categories of industry.

Here is a list of the Best Transformer Manufacturers in Kolkata.


EST: 1998

EVR power has become a trusted brand name in the manufacturing of Power Transformers under the dynamic leadership of Mr Elumalai, the Managing Director, who has set an example by contributing his blood and soul to the upliftment of the organisation. EVR Power, the best transformer manufacturer and supplier in Kolkata, spearheads the manufacturing of power & distribution, dry type and cast resin transformers. EVR Power supplies spare parts for all types of transformers, both indigenous and imported ones. 

EVR Power’s sustained efforts to innovate and provide premium quality products have made them a pioneer in the manufacturing and aligning of transformers. They render their service round the clock. EVR Power’s strength also lies in its employees who dispense their role with responsibility to achieve the common goals of the organisation. An instant cost estimate is provided at the premises or the customers can get a quote or estimate online which speeds up the process of taking decisions.

Production does not involve just machines, but the man behind them.

It would be an incomplete profile of EVR Transformers if we fail to mention the catalyzing power for the sustained growth of the organisation. It is none other than the founder Mr Elumalai who has been the motivating force by setting an example of an immaculate role model of dedication and sustained hard work ever since the inception of the organisation. His philanthropic attitude towards the working team inspired them and inculcated a sense of belonging and responsibility towards the organisation thereby achieving the common goals of the organisation. The Baton has been shared by Mr Vengat Raman Elumalai M. D., (Managing Director) who has the same vision of elevating EVR transformers as one of the Global leaders in the Transformer industry. The list of prestigious clientele is a clear reflection of the acceptance of EVR quality products. 

Established: 1998


Location: Pl. no. 64, Ponniamman Nagar, Ayyambakkam, Chennai – 600 095.

Products: Inverter/converter transformers, phase shifting transformers, rectifiers, automatic voltage regulators, power transformers, ultra isolation transformers, distribution transformers, etc. 

Panel:– LT Panel, Power factor Panel. 

Voltage Regulators:- Servo stabilizer, Automatic Voltage Regulators. 

Industrial Refrigerators:- Water chillers, Panel Coolers and Oil chillers. 

Clientele: TVS (Sundaram fasteners Limited), Toshiba, Bharat Heavy Electricals Limited, Murugappa group, India Pistons, TANGEDCO (Tamil Nadu Electricity Board), TWAD Board, L&T shipbuilding, national thermal Power Corporation, Asahi Inda glass Ltd, Axles India Ltd, Samsung, Unipres, Ozone group, Tane TRW, Renault Nissan Mitsubishi. 

Accreditation: ISO 9001:2015

Vision: To be a top-notch brand name in the field of power transmitters and become a global name by its relentless service to the customers without any compromise with the quality. EVR Power likes to be an important element in uplifting the utilities of industries by manufacturing and supplying eco-friendly transformers.

2. Makpower Trans-Systems Pvt. Ltd         

EST: 2013

The strength of Makpower is strongly backed up by a core of expert technocrats who implement the strategies and achieve the desired goals. Makpower is a noted name in the manufacture of Arc melting furnace transformers.

Location: 62/F, J. N. Mukherjee Rd, Ghusiri, Howrah-711107.



Electric control panel, distribution transformer, industrial transformers, furnace transformers, Apfc panels.


Amul, Assam power distribution Corporation Limited, Berger, Emami, L&T, IOC, & more.

3. KVA Process Transformers Private Limited

KVA Process Transformers Private Limited is one of the leading transformer manufacturers in Kolkata for the past two and a half decades. It is a company graded by the Bureau of Energy Efficiency for its products. KVA meets national and international standards i.e., I. S: 2026, IS :1180, IEC 171,ASA C 57.

Location: 246/1.K. Banaras Road, J. D. Casting compound, Howrah, West Bengal-711114.


Products: Submerged arc furnace transformers, LT distribution panel board, induction furnace transformers, auxiliary transformers and OLTC fitted transformers.

Clientele: MSPDCL, Radisson, AIR, BPC, Shri cements, Impex group, Maruti Suzuki, Indian Oil, Jindal Steel and Indian Railways.

Motto: The organisation’s Motto is to provide the best service  to its clients by offering top quality, both in products and raw materials.

4. Eastern Transformer and Equipment & Private Limited


Eastern transformer and equipment Private Limited has been existing for 5 decades providing its products to Rural electrification projects by the Government of India and supplying electricity boards across the country. Its products meet the specifications given by the Bureau of Indian Standards.

Location: No.2. Church lane, second floor, old building Kolkata, West Bengal- 700001.

Products: Power transformer, distribution transformer and special purpose transformer.

Clientele: CPWD, DGS & D, Defence, and railways.

5. Voltamp Electricals Pvt. Ltd

EST: 1960 (as a partnership firm), 1966 (converted to Pvt. ltd)

Voltamp Electrical Private Limited is one of the leading manufacturers of transformers in Kolkata supplying quality products to customers. Voltamp is duly registered with the director of industries, Government of West Bengal. Voltamp is an ISO 9001: 2014 certified organisation and has also been awarded a Cricil rating certificate.

Location: Pl. no. G, ground floor, sushila sadan, 135, sarat bose road, Kolkata 700 026


Products: Oil type transformer, V. P. I. Dry type transformer, cast resin transformers.

Clientele: Military Engineering services, defence telecommunication department, Chittaranjan locomotive works, Public Works Department West Bengal.

6. Sandas & Co

Est: 1980.

Products are manufactured under stringent quality systems and inspected at every stage starting from procuring raw materials to the end product. The products are tested and certified by CPRI as per ISS specifications.

Location: JCX9 +QP4, Station Road, Nalta Rajbari, Dum Dum, Kolkata – 70 00 81.


Products: 66 KV current transformer, outdoor oil insulated & potential transformer, outdoor combined CT & PT metering unit.

Clientele: Siemens Limited, Coal India, NSEB, Durgapur Projects Limited, Tata metaliks.

7. Density Transformers Private Limited (formerly Tesla Transformers and Electricals   Private Limited),

Est: 2012.

Density Transformers Private Limited, one of the best transformer manufacturers in Kolkata, has got a team of seasoned technocrats and modern production equipment, which makes them render timely delivery, good quality and prompt service.

Location: 132, cotton Street, raja katra, jorasanko, Kolkata, West Bengal – 700 007. 

Products: Special type tailor-made transformer, frame proof transformer, panels, 33 KV substations.

Clientele: NHPC, ONGC, SAIL, Metro Railways Kolkata and Indian Railways.

8. Century Transformers Private Limited

Est: 2006.

C.T.P.L strongly believes in dispensing quality products to its customers. The organization consists of experienced engineers, and the products are made in accordance with ISO:9001:2060 & DNV norms. C. T. P. L. exports transformers to Bangladesh, Saudi Arabia and different parts of South Africa.

Location: 5, Jatia Road, Bally, Howrah-711201.


Products: Distribution transformers, power transformers, Arc furnace transformers, vaccum pressure-impregnated dry type transformers, etc.

Clientele: ONGC, SAIL, Berger consortium Private Limited, Indotherm furnaces Limited & NALCO.

9. D. S. Enterprise


D. S. Enterprise has been manufacturing and supplying transformers of various types for 4 decades. It is a trusted name in providing wind power transformers, solar power transformers, corrugated tank electrical power transformers, etc. The quality and sustainability have made it one of the best transformer manufacturers in Kolkata.

Location: Mohandanga road, Duplexpotty, Chandanagar, Hubli-  Kolkata 722136.


Products: Industrial transformer, amorphous transformer, high-efficiency transformer, Delta core transformer, etc.

Clientele West Bengal Electricity Board, BSNL, Reliance jio infocom Limited, Indus Towers Limited, Rajib Gandhi Gramin vaidyutikaran Yojana.


Electrostar is an ISO Certified organisation basically involved in manufacturing Transformers, stabilizers, power backup and control equipment for Railways, telecommunications, engineering and the power industry. The products of Electrostar are approved by Research Design and standard organisation (Government of India- Ministry of Railways) and Electronics regional test laboratory (Government of India). The strength of the organisation lies in the hands of diligent professionals and Technocrats who aim to deliver products to the entire satisfaction of the customers. 

Est: 1969

Address: 116, Beliyagaata main road, Baliya gata, Kolkata- 700 010.

Products: Distribution transformer, Ultra isolation transformer, auto variable transformer, Domino type control panel, photo change over panel, Servo controlled voltage stabilizer, Ferro resonant voltage regulator. 

Clientele: Indian Railways, telecommunication department. 

Accreditation: ISO 9001:2008.


Trovolt Engineering Company Private Limited has been manufacturing and delivering its premium quality products to its customers as they have a well-designed infrastructure. Truevolt Engineering Private Limited has an R&D; care of the quality then and there. Thus have become a prominent manufacturer, supplier and exporter of Transformers. The company has an annual turnover of ₹50 crores/annum.

Est: 1970

Address: 1/1A, Biplabi anukul chandra st, electronic centre, 3rd floor, Kolkata 700072.

Products: Power transformers, distribution transformers, furnace duty transformers, control and relay panel, cremation furnaces. 

Accreditation: ISO9001:2008.

Approved by MECON, SAIL, HPCL, IOCL, department of power, inductotherm India Limited. 

Clientele: Exports products to Iraq, Ethiopia, Nigeria, Zambia, Saudi Arabia, Nepal, Bangladesh and Bhutan. 


Ultra Electronics Private Limited is one of the popular names in the manufacture and supply of electrical Transformers, Transformer rectifiers etc. Ultra Electronics also takes up services like design solutions and installation services. The organisation delivers the  products at a low cost which is very much appreciated by the customers. The core values of the organisation revolve around a commitment to excellence, customer satisfaction and teamwork. 

Est: 1964

Address: 32 B, Ganesh Chandra Avenue, ground floor, Kolkata: 700013.

Email: ultraelectronics1@

Products: Electronic power transformer, distribution transformer, Ultra isolation transformer. 


Arun Enterprises has procured a prominent place in the manufacture of Transformers and vacuum circuit breakers. Their existence in the field for about two decades with prompt services has helped them to strengthen their place in the respective domain. Their firm stand in the market is owed to the dedicated services of the workforce. 

Est: 2000

Address: 26. Rameshwar maliya lane, Kolkata 711101.

Products: Automatic Step up voltage transformer, distribution transformer, dry type transformer, furnace transformer, OLTC company fitted transformer, vacuum circuit breaker and CTPT metering unit. 

Accreditation: ISO:9001:2008.

BIS-approved transformer manufacturer as per IS:1180.


Transmake Electricals Private Limited started as a partnership firm in 1987. Later on, it was incorporated as a private limited company under the Companies Act in 1987. Transmake Electricals is enrolled with WBSEB (Currently WBSEDCL- West Bengal State Electricity Distribution Company Limited), other government institutions and reputed private organisations. The company is involved in the manufacture of distribution and Power Transformers, current and potential transformer, furnace transformer and other allied products. 


Address: 69.B.T. Road, Panihati, Kolkata-700114. 


Products: Distribution transformers (both oil-cooled and dry-type transformers), furnace transformers. 

Clientele: A2Z group, L&T, Eurasia India, Yule, The citi residenci, WBSEDCL. 


Incepted in 2007, Om Sakthi Transformers Limited has been growing in the business of transformer manufacturing. It has the capacity to manufacture KVA Transformers and CT/PT up to 66 KV. It has the facility to test the transformer as per ISS 1180 and 2026.  Om Sakthi Transformer has been supplying transformers to various power utilities and state electric boards. 

Est: 2007

Address: 33A, Jawaharlal Nehru Road, Chatterjee International centre, 8th floor, R. No-A12, Kolkata 70 00 71.


Products: power and distribution transformers, electric transformers, motors and generators, GT/PT metering unit, furnace transformers. 

Accreditation: ISO:9001:2008.

JD verified company. 


Voltamp Transformers Limited has made a unique name for itself in the manufacture and supply of distribution transformers. It is a verified manufacturer and seller of 3-phase mild steel distribution transformers. 

Est: 1967

Address: 16k, fern Road, Ballygunge Garden, Ballygunge, Kolkata- 70 00 19.

Products: Three-phase mild steel distribution transformers, three-phase distribution transformers, three-phase 200KVa Transformers. 


Initially (1980) INDUSREE started as a manufacturer of different kinds of transformers. Based on this background, the organisation started manufacturing cast resin transformers in 2008. All the products undergo testing in accordance with IS & IEC standards. The products are up to  the mark and meet international standards. 


Address: 13,Gouranga, Mandir Street, Kusum Kannan, P. O. Baghajatin, Kolkata -700 086.


Products: current transformer, control transformer, lighting and distribution transformer, potential transformer, control panel and voltage stabilizer. 

Clientele: ABB, BHEL, ITC, L&T, SAIL, Vizag steel, NTPC, Tata Steel, Hindalco, Chittaranjan locomotive works, Schneider electricals Mecon Ltd. 


RTS Power Corporation has been showing sustained progress in the transformer industry ever since its inception. The company has an outstanding sales figure of manufacturing and selling 3,00,000 transformers across the country. The company firmly believes that the workers are the spinal cord of the organisation. RTS our Corporation go ahead of the customer’s expectation and keep them very much satisfied( cost and quality voice). In the domestic arena RTS takes up Government and semi-government department projects, electricity board/company projects. RTS is approved by MES, NTPC, PGCIL & BIS. 

Est: 1971

Address: 56, Netaji Subhash Road, 700 001. West Bengal. 


Products: Air-cooled transformer, dry type transformer, single phase/ wound core type transformer, cables and allied products. 

Accreditation: ISO:9001.

Certified by Indian railways, DRDO


This list of the best transformer manufacturers in Kolkata will help you to find the right partner for your power-related needs. EVR Power has become the leading transformer manufacturer and supplier in India and Kolkata after gaining a reputable clientele who can speak for their reliability and quality.


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