Marsons share price & financials

Marsons Limited designs, manufactures, supplies, erects, tests and commissions power and distribution transformers ranging from 10 KVA to 160 MVA 220 kV class, alongside furnace, dry-type, cast-resin, solar and instrument transformers, at its single integrated plant in Maheshtala, Kolkata. It runs the only Eastern India (including the North-East) facility equipped to build EHV power transformers up to 220 kV class, and has supplied more than 300,000 transformers globally over six decades. Orders come through EPC contracts, state electricity board/utility tenders, and direct corporate/end-user contracts; the company has recently entered the railway traction-transformer market via a first order from Benaras Locomotive Works and set up a UK subsidiary to pursue exports.

Manufacturing plant

Single integrated plant at Maheshtala, Kolkata spread over ~35,000 sq. m — the only Eastern India (incl. NER) facility equipped to manufacture EHV Power Transformers up to 220 kV class

Installed capacity

4,500 MVA (FY25)

Product voltage/rating range

10 KVA to 160 MVA, 220 kV class

Transformers supplied (lifetime)

300,000+ units supplied globally over six decades

In-house testing infrastructure

NABL-accredited Impulse Test Laboratory & Autoclave (set up 1995-96) with a 1600 kV 80 kJ Impulse Generator imported from Haefely Trench, Switzerland

Quality certifications

ISO 9001:2008 and ISO 14001:2015 certified