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Hind Rectifiers Limited (Hirect) is a precision engineering enterprise established in 1958 in collaboration with Westinghouse Brake & Signal Co. Ltd., UK. It began as a manufacturer of rectifiers and small semiconductors and has since evolved into a systems and solutions provider for the railway and industrial sectors, with its headquarters in Mumbai. The company designs and delivers mission-critical power conversion and railway electrification technologies, backed by state-of-the-art R&D centres in Mumbai and Hyderabad and manufacturing plants in Satpur and Sinnar, Maharashtra.
Hirect serves rail mobility and industrial applications with an extensive portfolio that includes traction converters, traction transformers, traction motors, railway vehicle control units, DC substation rectifiers, and HVAC systems for rolling stock. In industrial power, its suite spans SMPS rectifiers, thyristor-controlled rectifiers, and engineered power conversion solutions for sectors such as power, steel, cement, paper, chemical, hydrogen, and electroplating. The company reports a market presence of 500+ clients and reach to more than 30 countries, supported by international offices in Sweden and the UAE and domestic offices in Mumbai, New Delhi, Kolkata, and Chennai.
As on March 31, 2025, the Group had 1 subsidiary. Post year-end, a new wholly owned subsidiary was incorporated in India on April 15, 2025 to develop products and solutions in IT, AI, Web3, and related software domains.
Railways: Indian Railways is the core customer, contributing 90% of Hirect’s revenues. The company provides traction converters, traction transformers, traction motors, railway vehicle control units, DC substation rectifiers, and HVAC systems for rolling stock.
Industrial: Other served verticals include Metal, Defence, Aviation, Power Generation, Chemical, Oil, Gas, Petrochemicals, and Marine. The industrial power suite spans SMPS rectifiers, thyristor-controlled rectifiers, and engineered power conversion solutions for sectors such as power, steel, cement, paper, chemical, hydrogen, and electroplating.
International footprint: A wholly owned subsidiary was incorporated in the UAE on November 21, 2024 to strengthen customer focus and tap international growth opportunities in power generation, T&D equipment, heavy machinery, spare parts, and related trading lines

Hirect designs and manufactures power electronics and railway electrification systems, including traction equipment and industrial rectifiers for sectors like power, steel, cement, and chemicals.
The company operates manufacturing plants at Satpur and Sinnar (Maharashtra), and R&D centres in Mumbai and Hyderabad, supported by offices in Mumbai, New Delhi, Kolkata, Chennai, and international offices in Sweden and the UAE.
Indian Railways is the core customer and contributes 90% of the company's revenues, with the balance coming from industrial and allied sectors.