Coral

The Undisputed
Engineering
Champion

Coral Group of Companies

Founded in 1979, Coral Group of Companies excels in manufacturing and engineering, specialising in windmill generators, coils and wires. Our success over four decades is built on a foundation of quality, hard work and timely service. As a family-run business, we offer affordable, high-quality solutions from production to after-sales service, ensuring global reach and customer satisfaction. Our integrated approach under one roof makes us a trusted industry partner, dedicated to innovation and excellence.

Comprehensive Engineering Solutions Under One Roof

Coral Rewinding
india Pvt Ltd

Coral Rewinding, an ISO 9001-2008 certified company, specialises in repairing and refurbishing AC/DC machines. With a 275-strong workforce, we offer both onsite and offsite services, including 24/7 emergency support. Trusted by top motor manufacturers, we are a reliable partner for rotating electrical machine services.

Coral Coil
india Pvt Ltd

Coral Coil specialises in the design and reverse engineering of motors and generators. As India’s only IMS-certified coil manufacturer (ISO 9001:2008, ISO 14001, ISO 18001) and an EASA member, we manage everything from coil and turbo bar design to servicing LT/HT motors. We prioritise urgent needs with quick quotes, production and delivery, ensuring quality with reputable suppliers adhering to IEC and IEEE standards. We at Coral are proud to have our coils certified by the prestigious Manitoba Hydro – High Voltage Test Facility.

GJ Wires
india Pvt Ltd

G.J Wires, established in 2020, specialises in high-quality insulated wires for HV machines, traction motors, large generators and electric vehicle motors. Recognised for consistent quality, our ISO 9001:2015 certified system ensures top-notch products. With advanced insulation technology expertise, we support customers at every stage of product development.

Coral Engineering
Works

Coral Engineering Works aims to be a global leader in coil manufacturing and supply for wind turbine generators, contributing to green energy production. Specialising in high-quality concentric and diamond coils, we focus on delivering value-based solutions for sustainable electric power.

Coral manufacturing
works india Pvt Ltd

Coral Manufacturing Works invested INR 800 million in a state-of-the-art generator manufacturing facility for wind, hydro and turbo generators, operational from 2021. Spanning 25 acres, this IMS-certified plant ensures international quality standards and features extensive vertical integration, from wire production to coil and generator assembly, enhancing quality, cost-effectiveness and sustainability.

Meet our Directors

Rajarajan ponnusamy

Founder/Managing Director

Rajkumar Rajarajan

Joint Managing Director/Global Business Development

George Joseph

Director/Technical advisor

Meet our global team

Flora Marques

Managing Director, Coral Coil USA

John Kolic

Senior Vice-President of Sales

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Testimonials

Coral Manufacturing Works stands out as a premier generator production facility; their team’s passion, dedication and commitment towards consistent deliveries was top notch. They exceeded our expectations with unmatched quality and efficiency of the generators they produce

We are very satisfied with Coral Coil products and engineering support. Their Coils´ quality equals or exceeds the quality of european or american suppliers. Coral Coil customer service is also good and expedited, which is someting our company considerably appreciates. Based on their huge capacities, we consider Coral Coil an exelent partner in the long term.

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