This selection of large companies with in-house R&D in Tamil Nadu shows a strong presence in motor vehicle manufacturing and related sectors. Key players include TVS Motor Company, a global manufacturer of two and three-wheelers, Ashok Leyland, which produces commercial vehicles, and MRF, a leading tyre manufacturer. Software development is also prominent, with Zoho providing over 55 software products and Intellect Design Arena Ltd specializing in banking and insurance platforms.
A notable pattern is the concentration of headquarters in Chennai, which hosts many of these large enterprises. The list also features significant contributions from academia, such as the Indian Institute of Technology, Madras, and Amrita Vishwa Vidyapeetham, both offering higher technological education and research.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
TVS Motor Companytvsmotor.com
Global manufacturer of two and three-wheelers with a focus on sustainability, innovation, and quality, serving customers in over 80 countries |
31,255 | |||
| 2 | 30,778 | ||||
| 3 |
Ashok Leylandashokleyland.com
Manufacture and supply reliable, rugged commercial vehicles including buses and trucks, focusing on quality and global standards in India. |
26,886 | |||
| 4 |
Tata Electronicstataelectronics.com
A global enterprise with a legacy of 150 years, focusing on creating stakeholder value and improving communities worldwide through engineering and manufacturing |
18,444 | |||
| 5 |
MRFmrftyres.com
A leading Indian manufacturer specialized in producing a wide range of high-quality tyres, also renowned for ventures in specialty coatings, toys, and sports goods |
13,150 | |||
| 6 |
L&T Constructionlntecc.com
Global EPC contractor for industrial and infrastructure projects, offering innovative design engineering, digitalization, mechanization, and skilled workforce to meet project requirements |
11,172 | |||
| 7 |
Indian Institute of Technology, Madrasiitm.ac.in
An institute of national importance offering higher technological education, research, and consultancy services with a focus on engineering and pure sciences |
9,505 | |||
| 8 |
Intellect Design Arena Ltdintellectdesign.com
A global leader in banking, insurance, and capital markets, offering a cloud-native platform for digital transformation through innovative design solutions |
8,317 | |||
| 9 |
Renault Nissan Technology & Business Centre Indiarntbci.in
Global automotive technology, engineering, and business services supporting Renault and Nissan, developing vehicles, components, software, and advanced research, alongside IT and shared services. |
7,865 | |||
| 10 |
Coromandel International Limitedcoromandel.biz
Leading phosphatic fertiliser manufacturer providing crop protection, organic products, and specialty nutrients while operating rural retail outlets offering advisory and soil testing services. |
7,066 | |||
| 11 |
TAFE - Tractors and Farm Equipment Limitedtafe.com
Manufacturing tractors globally. Produces and sells over 180,000 units annually across 80 countries. Owns diverse businesses in farm machinery, engines, plastics, and vehicle franchises. |
6,607 | |||
| 12 |
Brakes Indiabrakesindia.com
A leading manufacturer of automotive braking systems and ferrous castings, providing complete braking solutions and automotive spare parts with a focus on sustainability |
5,998 | |||
| 13 |
Amrita Vishwa Vidyapeethamamrita.edu
A leading multi-campus research institution in India with collaborations with top US and European universities, known for its higher education programs |
4,702 | |||
| 14 |
Daimler India Commercial Vehiclesasia.daimlertruck.com
A subsidiary of Daimler Truck AG, specializing in commercial vehicles tailored for the Indian market, delivering on safety, reliability, and cost-effectiveness |
4,018 | |||
| 15 |
Delphi-TVSdelphitvs.com
Design and manufacture advanced fuel injection systems for various vehicles including cars, commercial vehicles, construction equipment, tractors, and small engines. |
3,922 | |||
| 16 |
Pricol Limitedpricol.com
A leading Indian provider of automotive technology and precision engineered solutions, recognized for innovation and excellence in the global automotive industry |
3,711 | |||
| 17 |
Wheels India Limitedwheelsindia.com
A leading global manufacturer of steel wheels for various vehicles, also producing air suspension kits and forged aluminum wheels for the automotive industry |
3,588 | |||
| 18 |
Lucas TVSlucas-tvs.com
Leader in auto electrical manufacturing in India with 50 years of experience Specialized in designing and producing products for majority of vehicles |
3,563 | |||
| 19 |
The Ramco Cements Limitedramcocements.in
A leading Indian cement company offering innovative products for various applications, with 11 cement plants and a total production capacity of over 20 MTPA |
3,375 | |||
| 20 |
Johnson Lifts & Escalatorsjohnsonliftsltd.com
Leading elevator and escalator manufacturer in India with over 60 years of experience, offering a wide range of products for various settings |
3,095 | |||
| 21 |
Saint-Gobain India Private Limited - Glass Businesssaint-gobain-glass.com
Global leader in sustainable construction and industrial solutions, investing in India for R&D and manufacturing, committed to carbon neutrality by 2050 |
3,086 | |||
| 22 |
VA TECH WABAG LTD.wabag.com
A global leader in water technology, providing comprehensive solutions for municipal and industrial sectors, focusing on sustainability and resource conservation |
3,069 | |||
| 23 |
L.G. Balakrishnan & Bros. Ltdlgb.co.in
A world-leading manufacturer of transmission products including automotive chains, sprockets, tensioners, and precision components, focusing on responsiveness to market needs |
2,937 | |||
| 24 |
Rane Groupranegroup.com
A trading house established in 1929, offering a wide range of automotive products, preferred supplier to major OEMs, with a global presence in over 30 countries |
2,820 | |||
| 25 |
Tamil Nadu Agricultural Universitytnau.ac.in
The organization is an agricultural university offering various degree programs in agriculture, horticulture, forestry, and home science since 1971 |
2,704 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Syrma SGS Technology Limitedsyrmasgs.com
Specializing in electronics manufacturing services, we offer collaboration to develop optimal design solutions, reduce costs, manage risk, and deliver innovative products |
2,588 | |||
| 27 |
HL Mando Anand India Private Limitedanandgroupindia.com
A leading manufacturer and supplier of high-performance brake systems, shock absorbers, and struts for Indian, European, and American OEMs |
2,543 | |||
| 28 |
Carborundum Universal Limitedcumi-murugappa.com
Integrated mining and manufacturing company providing services in Electro Minerals, Abrasives, Refractories, and Ceramics for industries like aerospace, automobile, and construction |
2,512 | |||
| 29 |
ELGI EQUIPMENTS LIMITEDelgi.com
A global air compressor manufacturer offering innovative compressed air systems and a wide range of products to help customers achieve productivity goals efficiently |
2,512 | |||
| 30 |
Schwing Stetter Indiaschwingstetterindia.com
A construction equipment leader in India, known for innovation and quality, driving infrastructure growth with state-of-the-art concreting solutions and sustainability initiatives |
2,443 | |||
| 31 |
Hinduja Tech Limitedhindujatech.com
Global engineering solution provider specializing in disruptive mobility, electric and autonomous vehicles, with a focus on automotive product development and digital technologies worldwide |
2,238 | |||
| 32 |
Renault Nissan Automotive India Pvt Ltd
A global automotive plant in India producing vehicles for Renault and Nissan, exporting to 108 countries, with significant investments and employment opportunities created |
2,151 | |||
| 33 |
Titan Engineering & Automation Limitedtitanteal.com
Designing and manufacturing high precision components, automation machines, turnkey assembly and testing solutions for aerospace, defense, and various industries. |
2,136 | |||
| 34 |
Sri Ramachandra Institute Of Higher Education and Researchsriramachandra.edu.in
Higher education institution offering medical, dental, pharmacy, nursing, and allied health courses with strong research and international collaborations. |
2,090 | |||
| 35 |
Precision Infomatic (M) Private limitedprecisionit.co.in
A consulting company established in 1996, offering IT Infrastructure Management, Biometric, IoT, Cloud, and IT System Integration solutions with a strong R&D focus |
2,003 | |||
| 36 |
University of Madrasunom.ac.in
Higher education institution offering a wide range of courses with experienced faculty focused on quality education and student development. |
1,933 | |||
| 37 |
Magna Automotive India Private Ltd.magna.com
Development of integrated automotive technologies focusing on comprehensive problem-solving and seamless vehicle system integration for brand enhancement. |
1,897 | |||
| 38 |
Orchid Pharmaorchidpharma.com
A vertically integrated pharmaceutical entity with expertise in research, manufacturing, and marketing, offering active pharmaceutical ingredients and a diverse range of therapeutic products globally |
1,891 | |||
| 39 |
CRI Groupacsenhyveg.com
Global leader in irrigation sector revolutionizing equipment production, offering over 9,000 products in fluid management systems, present in 120+ countries |
1,861 | |||
| 40 |
Rane Madras Ltd (RML)ranegroup.com
A market leader in steering and suspension linkages, offering a range of products for domestic and export markets in automotive industry |
1,851 | |||
| 41 |
Karunya Institute of Technology and Scienceskarunya.edu
A globally ranked Christian university focusing on academic excellence, professional competence, values, and spiritual empowerment to develop engineers and leaders |
1,826 | |||
| 42 |
Christian Medical College Vellorecmch-vellore.edu
Providing high quality healthcare through education and training to develop compassionate, professional healthcare leaders in various medical disciplines |
1,780 | |||
| 43 |
Bharath Institute of Higher Education and Researchbharathuniv.ac.in
A prestigious institution offering engineering education, research opportunities, and global exposure in Chennai, ranked among the top universities in India |
1,778 | |||
| 44 |
SRM Technologiessrmtech.com
Global IT services company specializing in automotive technologies, digital transformation, and product engineering Offerings include technology consulting, data analytics, AI, cloud enablement, and embedded software solutions |
1,775 | |||
| 45 |
Kumaraguru College of Technologykct.ac.in
A private Engineering College in Coimbatore offering autonomous programs affiliated with Anna University, approved by AICTE, and accredited by NAAC and NBA |
1,761 | |||
| 46 |
JK Fenner (India) Ltdjkfenner.com
A leading industrial manufacturer specializing in power transmission belts, gears, motors, automation, rubber products, and EV products for automotive and industrial applications worldwide |
1,707 | |||
| 47 |
Avalon Technologies Limitedavalontec.com
A leading choice for global MNC companies in various industries, offering design, manufacturing, and turnkey solutions for high-quality electronics products |
1,699 | |||
| 48 | 1,694 | ||||
| 49 |
Appasamy Associatesappasamy.com
Leading manufacturer and distributor of ophthalmic diagnostic & surgical equipment, intraocular lenses, microsurgical instruments, and pharmaceuticals Dedicated to supporting products and advancing technology |
1,643 | |||
| 50 |
ZF Rane Automotive India Private Limitedranegroup.com
Manufacturer of steering systems and seat belts for passenger cars, utility vehicles, and commercial vehicles with a focus on occupant safety Award-winning and technologically advanced solutions |
1,641 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Tamil Nadu
- The largest companies in Tamil Nadu 1,609
- Manufacturers in Tamil Nadu 303
- Multinational companies in Tamil Nadu 285
- Education providers in Tamil Nadu 258
- Higher Education companies in Tamil Nadu 168
- IT Services and IT Consulting companies in Tamil Nadu 152
- IT services companies in Tamil Nadu 140
- Hardware manufacturers in Tamil Nadu 128
- Retail chains in Tamil Nadu 96
- Automotive manufacturers and suppliers in Tamil Nadu 95
- Education Administration Programs companies in Tamil Nadu 91
- Publicly traded companies in Tamil Nadu 83
- Professional services firms in Tamil Nadu 82
- Financial services firms in Tamil Nadu 77
- Corporate groups and holding companies in Tamil Nadu 77
- Critical infrastructure operators in Tamil Nadu 76
- Companies with a mobile app in Tamil Nadu 75
- Financial Services companies in Tamil Nadu 75
- Healthcare providers in Tamil Nadu 74
- Hospitals and Health Care companies in Tamil Nadu 70
- Motor Vehicle Manufacturing companies in Tamil Nadu 68
- Consulting firms in Tamil Nadu 61
- Software Development companies in Tamil Nadu 58
- AI companies in Tamil Nadu 56
The same list elsewhere in India
- Companies with in-house R&D in India 1,990
- Companies with in-house R&D in Maharashtra 514
- Companies with in-house R&D in Karnataka 271
- Companies with in-house R&D in Haryana 166
- Companies with in-house R&D in Gujarat 143
- Companies with in-house R&D in Uttar Pradesh 124
- Companies with in-house R&D in Telangana 69
- Companies with in-house R&D in West Bengal 54
- Companies with in-house R&D in Rajasthan 41
- Companies with in-house R&D in Andhra Pradesh 36
- Companies with in-house R&D in Kerala 36
- Companies with in-house R&D in Punjab 34
- Companies with in-house R&D in Mumbai 258
- Companies with in-house R&D in Bengaluru 235
- Companies with in-house R&D in Pune 149
- Companies with in-house R&D in Chennai 132
- Companies with in-house R&D in New Delhi 126
- Companies with in-house R&D in Gurugram 124
- Companies with in-house R&D in Noida 75
- Companies with in-house R&D in Hyderabad 72
- Companies with in-house R&D in Ahmedabad 57
- Companies with in-house R&D in Kolkata 44
- Companies with in-house R&D in Coimbatore 41
- Companies with in-house R&D in Vadodara 40