IATF 16949 Certified Suppliers

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.

Sipra Engineers has established itself as a premier manufacturer of precision-engineered components for the automotive industry, combining advanced manufacturing capabilities with stringent quality standards to deliver excellence. With state-of-the-art facilities and a team of experienced engineers, we specialize in High pressure die casting, CNC machining, turning, and assembly operations that meet the exacting demands of global automotive OEMs. Our commitment to continuous improvement, on-time delivery, and cost-effective solutions has made us a trusted partner for customers seeking reliable precision components that enhance vehicle performance and safety across diverse automotive applications.

Caparo India’s Fasteners Division, founded in 2005, manufactures high-tensile fasteners for Indian and global OEMs. Its Rajasthan plant spans 45,740 m² with advanced cold forging, wire drawing, and heat treatment, delivering 18,000 MT annually. With IATF, ISO 14001, and ISO 45001 certifications, Caparo is a trusted strategic partner for major OEMs including Honda, Ashok Leyland, and Royal Enfield.

Takshi Auto Components (Pune) is an automotive supplier founded in 2003 that manufactures precision axle systems and differential cases. It specializes in forging and machining high-strength components for trucks, buses and tractors. The ISO/TS 16949:2002 (now IATF 16949) certified plant produces E-axles, axle housings, Salisbury axles and ADI differential cases. With robotic welding and high-tonnage presses, Takshi delivers welded axle assemblies and tubular parts. Customers benefit from its decade of innovation (including modular banjo beams) and robust quality systems (ISO 9001 / IATF 16949).

Allied Transmission & Gears (Sonipat) manufactures precision differential gears, shafts and transmission components for commercial vehicles. Founded in 1999, it blends forging and CNC machining to deliver OEM-grade assemblies. ATG’s facilities include CNC gear-hobbing, shaping, grinding, broaching and a dedicated heat-treat lab with CMM inspection. The ISO 9001:2015 / IATF 16949 certified plant ensures high-volume production and quality. Buyers value its engineering expertise and on-time delivery.

Trelleborg Sealing Solutions India Pvt. Ltd. is the Indian subsidiary of Trelleborg AB, a global leader in engineered polymer solutions. Headquartered in Bengaluru, it has been the supplier of first-choice polymer-based sealing solutions for Indian manufacturers for nearly four decades. The company offers world-class seals, O-rings, gaskets, bushings, and custom molded components, serving industries from aerospace to automotive with precision-engineered products. With approximately 400 employees and advanced manufacturing facilities, Trelleborg India delivers high-quality seals and bearings that protect critical applications, supported by robust technical expertise and global quality standards.

Kross Limited is a Jamshedpur-based specialist in high-performance forged components for drivetrains. Established 1994, it produces axle shafts, differential bevel gears and transmission parts for heavy vehicles. The ISO 9001:2015, IATF 16949-certified factory integrates forging and precision machining. With in-house heat treatment, Kross delivers robust differential cases and pinions to OEMs. Its deep expertise and multiple sales offices ensure strong customer support.

Agrasen Engineering is an Indian manufacturer of precision machined components and assemblies for automotive and industrial applications. Established in 1989, Agrasen has developed strong competencies in CNC machining, turning, and grinding to produce metal parts with tight tolerances. Its product portfolio includes transmission shafts, gear blanks, engine timing sprockets, and chassis brackets, among others, supplied to both domestic Indian OEMs and international Tier‑1 companies. Agrasen operates multiple plants in Jaipur equipped with advanced CNC lathes, machining centers, and induction hardening facilities, allowing it to deliver finished parts with required heat treatment and surface finishes. The company emphasizes continuous improvement and lean practices (TS 16949 certified) to meet cost and quality expectations. Agrasen’s in-house engineering and tool design enable rapid development of new components, while its assembly capabilities let it provide sub-assemblies (like shaft + gear units) ready for integration. With a focus on reliability and customer service, Agrasen Engineering has become a trusted supplier supporting India’s growing role in the global automotive supply chain.

Flash Group is a preferred partner for many global Automotive OEMs. With 6 manufacturing plants across India, Germany, and Hungary and a team of 2500+ individuals, Flash delivers electrical, mechanical, and electronic solutions to the automobile industry worldwide.

Leading Indian manufacturer of high-quality drivetrain components and assemblies for OEMs. Over three decades of expertise in precision gears, shafts, and sub-assemblies, with IATF 16949-certified production. Serves two-, three-, and four-wheeler markets with a reputation for innovation and reliability.

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.

Amara Raja is a leading Indian battery manufacturer making significant strides into the EV battery space. Known historically for its automotive lead-acid batteries (Amaron brand), Amara Raja has leveraged its manufacturing excellence to diversify into lithium-ion technology. The company set up India’s first lithium-ion assembly pilot plant and established Amara Raja Power Systems to handle lithium cell development and battery pack integration. It focuses on battery packs for e-mobility (two-wheelers, three-wheelers, and stationary storage) and has announced plans to build large-scale lithium cell manufacturing in India. Headquartered in Tirupati, Amara Raja prides itself on quality (it introduced the first Valve-Regulated Lead Acid batteries in India under strict quality norms) and it carries that culture to new chemistries. With strong R&D collaborations (both domestic and international) and government support, Amara Raja is poised to become a key supplier of “Made in India” EV batteries, contributing to the country’s e-mobility mission.

Alkraft was founded three decades ago as a small R&D unit that designed and developed India’s first Aluminium Heat Exchanger. That pioneering effort led to new benchmarks being set for heat transfer in the Indian automotive industry. Alkraft has since consistently developed proprietary and unique thermal management solutions that have provided superior value to customers. This relentless focus on delivering customer success has driven all of Alkraft’s technology, design and process innovations.

Established in 1982, Stainless Bolt Industries is a premier Ahmedabad-based producer of stainless steel fasteners. It manufactures hex bolts, socket head cap screws, machine screws, threaded studs, nuts, and washers. With ISO/IATF certifications and advanced in-house steel melting and cold-heading, the company serves industries requiring corrosion resistance and high strength.

G B Rubber Products (GB Rubber) is a premier rubber manufacturer with 40+ years of experience in delivering high-quality molded rubber components. Established in 1982, the company offers a comprehensive range of products including rubber-to-metal bonded parts, NVH dampers, seals, gaskets, O-rings, silent blocks, and custom rubber compounds. GB Rubber’s state-of-the-art facilities in Pune (3 plants) and Satara (1 plant) enable it to serve both domestic and international markets as a preferred supplier, backed by stringent quality (IATF 16949:2016, ISO 14001:2015) and a solution-driven approach from design to manufacturing.

KSH International is a leading manufacturer of insulated rectangular & round magnet winding wires and continuously transposed conductors. With facilities near Mumbai and Pune, KSH emphasizes quality, innovation, and customer service. The company offers customized wire solutions for EV traction motors, power generation, and other industries. KSH’s quality system meets ISO 9001, ISO 14001, ISO 45001 and IATF 16949 standards, reflecting its automotive focus, and its state-of-the-art processes ensure high-performance magnet wire products for OEMs.

India’s leading manufacturer of rear axle shafts and splined forgings for passenger, commercial, and off-road vehicles. Established in 1980, Talbros supplies OEMs globally with rugged, fatigue-tested axle shafts (both semi-float and full-float) and other precision-forged driveline parts. IATF 16949-certified and known for continuous innovation, Talbros offers in-house R&D, forging, machining, and stringent testing to ensure reliable performance in the field.

With over 1,000 employees including 100+ skilled engineers, Veethree specializes in black box designs integrating mechanical, hardware, software, graphic, and styling expertise. Facilities produce over 10 million units annually with advanced robotics and vision inspection systems. Veethree is IATF 16949-certified and a global leader in J1939 instrumentation, cybersecurity, and functional safety solutions.

G.K. Winding (brand GEEKAY) is India’s leading manufacturer of enamelled copper and aluminum winding wires. Established in 1975, it emphasizes quality and innovation. GEEKAY offers a wide range of high-performance magnet wires (including self-bonding, high-temperature and self-lubricating types) for automotive, appliances and industrial motors. They operate four plants in India and hold ISO 9001, ISO 14001, ISO 45001 and IATF 16949 certifications, aligning with automotive quality standards.

Bharat Gears Limited (BGL) is India’s largest gear manufacturer and a global leader in gear technology. With 50+ years of expertise, BGL delivers high-quality ring & pinion sets, transmission and differential gears, and sub-assemblies for automotive, agriculture, construction, and EV applications. The company operates state-of-the-art manufacturing units and an in-house heat treatment division, ensuring end-to-end quality control. Bharat Gears is a trusted supplier to major OEMs worldwide, known for its cutting-edge engineering, reliable product performance, and commitment to customer satisfaction. Buyers benefit from BGL’s world-class production capabilities, certified quality systems, and a proven track record of delivering precision drivetrain solutions on time and at scale.

Started in 1966, Sundram Fasteners Limited has grown into a global leader in high-precision automotive and industrial components. It manufactures fasteners, powertrain parts, sintered metal products, radiator caps, pumps, iron powder, and wind energy components. With facilities in India, UK, and China, Sundram is part of the TVS Group and trusted worldwide for its innovation, quality, and delivery.

Divgi TorqTransfer Systems is a leading Tier-1 manufacturer of advanced drivetrain components and systems with over five decades of expertise. The company specializes in transfer cases, torque couplers, dual-clutch and manual transmissions, synchronizer systems, and EV transmission solutions for passenger, commercial, and off-road vehicles. Backed by world-class engineering and a strong innovation legacy, Divgi-TTS designs and produces mission-critical transmission products that meet rigorous global OEM standards. Its integrated manufacturing facilities in India feature state-of-the-art machining, gear cutting, and testing capabilities, enabling high-precision production from prototyping through serial supply. Renowned for technical excellence, quality (IATF 16949 certified), and reliability, Divgi-TTS is a trusted supplier to top automotive brands. Buyers partnering with Divgi can expect customized torque transfer solutions, responsive engineering support, and a proven track record in delivering performance and durability in every product.

Founded in 1962, Kaloti Group is one of India’s largest industrial fastener producers. It manufactures bolts, screws, nuts, cold-forged parts, and wind energy fasteners on its 12-acre site. With complete in-house capabilities from wire processing to surface finishing, Kaloti ensures consistent global-standard quality. It exports to 35+ countries and is recognized as a Star Export House.

Sundaram-Clayton Limited is a leading Indian manufacturer of aluminum die castings for global automotive markets, with over 50 years of experience in precision component manufacturing. As part of the USD 8.5 billion TVS Group, they combine rich engineering heritage with modern manufacturing capabilities to deliver sophisticated powertrain, structural, and body components for two-wheelers, passenger cars, and commercial vehicles. SCLs comprehensive capabilities include design support, simulation, high-pressure die casting, gravity die casting, machining, assembly, and testing, provided through advanced manufacturing facilities in India and the USA. Their technical expertise in thin-wall castings and complex geometries enables lightweight solutions that enhance vehicle efficiency and performance. SCLs commitment to operational excellence, innovation, and sustainability has established them as a preferred supplier for global automotive OEMs seeking high-quality aluminum components that meet stringent technical specifications while providing competitive value and reliable delivery.

Gajra Gears Pvt. Ltd. is a trusted Indian manufacturer of automotive gears and bevel gear assemblies with a heritage dating back to 1962. The company produces a wide range of high-quality gears, including spiral and hypoid ring & pinion sets, differential gears, splined shafts, and transmission gears for passenger vehicles, tractors, and commercial machinery. Gajra Gears combines decades of gear manufacturing expertise with modern, ISO-certified production facilities to deliver reliable, precision-engineered components. Its products are supplied to leading OEMs in India and abroad, reflecting Gajra’s reputation for quality, durability, and value. With in-house capabilities in gear cutting, heat treatment, and machining, Gajra Gears offers end-to-end solutions and a commitment to on-time delivery. Buyers choose Gajra Gears for its competitive pricing, consistent product performance, and strong customer service – making it a solid partner for powertrain sub-components in small to medium volumes.

Bharat Forge Limited is a leading Indian forging company serving global OEMs in automotive and other industries. Its Pune-based plant produces a wide range of forged powertrain components (crankshafts, gears, shafts) using advanced metallurgy. An IATF 16949-certified supplier, Bharat Forge emphasizes high-volume production and innovation in lightweight solutions. With ~17,000 employees, its scale and R&D expertise give OEMs confidence in its capabilities.

Rockman Industries is a premier manufacturer of aluminum die cast components and automotive assemblies for two-wheeler and four-wheeler segments with over 60 years of manufacturing excellence. As a key supplier to Hero MotoCorp and part of the Hero Group, they have established themselves as a trusted partner for global OEMs. Their integrated manufacturing approach encompasses die casting, machining, and surface treatment across eight state-of-the-art facilities in India. Rockmans technical expertise in aluminum alloy development allows them to create lightweight, high-strength components that meet stringent automotive specifications. Their focus on innovation and continuous improvement has resulted in industry-leading quality standards and operational efficiency. With substantial investments in automation and Industry 4.0 technologies, Rockman delivers consistent quality and competitive pricing for high-volume automotive applications.

Exide Industries is India’s largest battery maker and a household name in energy storage, now transitioning into the era of EVs. With a legacy dating back to the 1940s, Exide manufactures batteries for automotive, industrial, and submarine applications. In the EV domain, Exide has entered a joint venture (Exide Leclanché – Nexcharge) to produce lithium-ion battery packs domestically, capitalizing on its extensive manufacturing footprint and distribution network. Exide has established a lithium battery assembly plant and is exploring cell manufacturing. Known for its reliable lead-acid batteries powering millions of cars and telecom towers, Exide is leveraging its market reach and service infrastructure to offer EV charging and battery swapping solutions as well. The company’s R&D is actively developing advanced lead-carbon and lithium technologies to stay at the forefront. Exide’s evolution from conventional batteries to lithium exemplifies how it aims to remain the preferred energy storage provider in India’s automotive and clean energy sector.

Founded in 1946, National Engineering Industries Ltd (NEI), part of the CK Birla group, manufactures NBC brand bearings. With over 35,000 employees across 52 global facilities, NEI serves sectors including automotive, aerospace, railways, and industrial applications across 30+ countries. NEI also serves the Indian aftermarket via 550+ stockists and thousands of retailers.

Founded in 1938, G.S. Auto International is a pioneer in automotive suspension and fastening components. It produces king pins, shackle bolts, U-bolts, wheel bolts, and nuts for trucks, buses, and heavy vehicles. With in-house hot forging, CNC machining, and thread rolling, G.S. Auto is IATF certified and serves OEMs and export markets worldwide.