EV Suppliers

Finnish manufacturer of specialized power transmission gearboxes and gear components for military vehicles, marine, and heavy mobile equipment. Katsa designs and produces custom spur, helical and planetary gears, clutches, and complete gearbox assemblies in low volumes. ISO 9001 and NATO AQAP certified (with automotive quality practices), Katsa’s agile 80-person team is known for rapid development of bespoke drivetrain solutions – including transfer cases and special differentials – for demanding applications.

Hi-Tech Gears Limited stands as India's leading manufacturer of precision gears and transmission components, serving global automotive and industrial markets with unmatched expertise and quality excellence. With over three decades of manufacturing excellence and cutting-edge technology, we deliver high-precision gears, shafts, and transmission systems that power vehicles and machinery worldwide. Our world-class manufacturing facilities, advanced R&D capabilities, and commitment to innovation enable us to provide cost-effective solutions that meet the most stringent quality standards, making us the preferred partner for OEMs seeking reliable transmission components for enhanced performance and durability.

Manufacturer of the famed Cusco brand performance parts (LSDs, suspension) for street and rally cars. Since 1977, Cusco (Carrosser Co.) has engineered premium differential LSD units, chassis and suspension components for motorsport and aftermarket. Known for race-proven innovation and reliability, Carrosser is ISO certified and exports to tuning enthusiasts and racing teams worldwide.

Australian high-performance engineering firm providing differentials, superchargers, and drivetrain components. Harrop is known for designing and manufacturing Eaton-based TVS superchargers, TrueTrac differentials, brake kits and performance axles for muscle cars, 4x4s, and motorsport. With ISO 9001 certification and in-house R&D, CNC machining, casting and assembly, Harrop supplies OEM+ upgrade parts and specialty components across Australia and international markets, emphasizing innovation and motorsport pedigree since 1955.

Kalyani Transmission Technology (KTT) is a fast-emerging leader in automotive transmission components and EV driveline solutions, backed by India’s renowned Kalyani Group. Specializing in high-precision gears and assemblies, KTT offers a one-stop solution from design to mass production for electric vehicle transmission gears & shafts, e-motor shafts, dual-clutch (DCT) gears, CVT components, manual and automatic transmission parts, and complete differential assemblies. With state-of-the-art manufacturing in India and a highly skilled engineering team, KTT delivers world-class quality (IATF 16949-certified) and innovative drivetrain products tailored to global OEM requirements. The company’s integrated capabilities in forging, precision machining, heat treatment, and in-house tooling ensure superior performance, consistency, and cost-effectiveness. Buyers choose KTT for its strong technical expertise, commitment to excellence, and the trust of the Kalyani Group’s 3-billion-dollar legacy—making it an ideal partner for next-generation mobility and EV drivetrain projects.

Renowned Japanese maker of high-performance limited-slip differentials (LSDs), multi-plate clutches, and gear sets for motorsport and tuning. Founded by Osamu Okazaki in 1973 on a legacy of race engineering, OS Giken produces all components in Japan to exacting tolerances. Trusted for supremely durable drivetrain parts that eliminate noise and maintenance issues, backed by over four decades of innovation in design and manufacturing.