These Indian companies operate in aerospace and defence, with several large conglomerates playing a significant role. Key players include Tata Group, a global enterprise focused on community quality of life; Mahindra Group, with businesses spanning farm equipment, IT, and renewable energy; Larsen & Toubro, specializing in engineering and hi-tech manufacturing; and Bharat Electronics Limited, a state-owned manufacturer of advanced electronic systems for defence and space.
The data shows a concentration of headquarters in Mumbai, with other major cities like New Delhi, Chennai, Bengaluru, Thane, and Pune also represented. The companies listed cover a broad range of activities, from executive offices and heavy manufacturing to specialized defence and space manufacturing, indicating a diverse industrial base supporting the sector.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Tata Grouptata.com
Global enterprise operating in over 100 countries, focused on improving community quality of life through ethical business and philanthropy. |
1,017,626 | |||
| 2 |
Mahindra Groupmahindra.com
Leading multinational federation with businesses in farm equipment, vehicles, IT, finance, renewable energy, agriculture, logistics, hospitality, and real estate. |
237,131 | |||
| 3 |
Larsen & Toubrolarsentoubro.com
Multinational company specializing in engineering, procurement, construction projects, hi-tech manufacturing, and sustainability-focused services across over 50 countries worldwide. |
142,350 | |||
| 4 | 41,996 | ||||
| 5 |
Ashok Leylandashokleyland.com
Manufacture and supply reliable, rugged commercial vehicles including buses and trucks, focusing on quality and global standards in India. |
26,886 | |||
| 6 |
Bharat Heavy Electricals Limitedbhel.com
A leading engineering and manufacturing enterprise specializing in power equipment, serving various sectors globally with a focus on sustainable business solutions and nation building initiatives |
21,861 | |||
| 7 |
Adani Groupadani.com
Diversified infrastructure group with transport logistics and energy utilities, focusing on large-scale development and sustainable growth across India. |
21,480 | |||
| 8 |
Godrej & Boyce Mfg. Co. Ltd.godrejandboyce.com
A trusted brand offering diverse products and services, including locks, consumer goods, furniture, precision manufacturing, aerospace, and infrastructure development, with a focus on meaningful work |
19,330 | |||
| 9 |
Hindalco Industries Limitedhindalco.com
A global metals powerhouse focusing on aluminum and copper production, with a strong emphasis on sustainability and innovative solutions |
14,486 | |||
| 10 |
Bharat Electronics Limitedbel-india.in
State-owned aerospace and defence manufacturer operating nine factories and multiple regional offices across India, specializing in advanced electronic systems and technology. |
10,613 | |||
| 11 |
Tata Advanced Systems Limitedtataadvancedsystems.com
A strategic aerospace and defense arm of a well-known group, offering innovative solutions for national security and global OEMs, with strong partnerships and integrated capabilities |
10,499 | |||
| 12 |
Raymond Limitedraymond.in
Global business group operating across lifestyle, real estate, denim, precision engineering, and aerospace sectors with focus on quality craftsmanship and long-term value creation. |
6,403 | |||
| 13 |
ISRO - Indian Space Research Organizationisro.gov.in
A pioneering organization harnessing space technology for national development, conducting space research and exploration, and maintaining a large fleet of satellites |
5,307 | |||
| 14 |
Bharat Forge Ltdbharatforge.com
A technology-driven global leader in metal forming, manufacturing critical components for automotive, power, aerospace, and other sectors worldwide |
5,209 | |||
| 15 |
Indian Navyindiannavy.nic.in
A well-balanced and cohesive naval force safeguarding India's maritime borders with a fleet of warships, aircraft, and personnel |
4,886 | |||
| 16 |
ISROisro.gov.in
Specializing in space technology, this organization focuses on developing and applying innovative solutions for various national requirements |
4,408 | |||
| 17 |
LMW Limitedlmwglobal.com
Capital goods manufacturer specializing in textile machinery, CNC machines, foundry & castings, and aerospace components Trusted by premier brands worldwide for quality products |
4,209 | |||
| 18 |
INDO-MIM Limitedindo-mim.com
Global leader in Metal Injection Molded (MIM) products, offering precision-engineered parts to customers in 45+ countries across various industries |
4,199 | |||
| 19 |
Punj Lloyd Limitedpunjlloydgroup.com
A diversified international conglomerate offering EPC services in Energy and Infrastructure, engineering and manufacturing capabilities in the Defence sector worldwide |
4,171 | |||
| 20 |
Ramco Systemsramco.com
Cutting-edge enterprise software provider disrupting the market with cloud-based solutions in Global Payroll, ERP, and M&E MRO for Aviation Innovation-driven culture with global presence |
3,949 | |||
| 21 |
Adani Enterprises Limitedadanienterprises.com
Flagship of a large Indian business group involved in building infrastructure businesses and divesting them successfully, contributing to nation-building and shareholder value |
3,871 | |||
| 22 |
HFCL Limitedhfcl.com
A technology company specializing in digital network solutions for telcos, enterprises, and governments, offering high-tech products with a strong focus on R&D and sustainability |
3,798 | |||
| 23 |
Cochin Shipyard Limitedcochinshipyard.in
A leading Indian shipbuilding and repair company, capable of constructing large vessels and undertaking complex repair jobs for various industries worldwide |
2,959 | |||
| 24 |
Sansera Engineering Limitedsansera.in
The company is an engineering-led manufacturer of precision components for the automotive and aerospace industries, supplying to OEMs in India and internationally |
2,703 | |||
| 25 |
Centum Electronics Ltd.centumelectronics.com
An electronics company offering a wide range of products and services across industry segments, with expertise in engineering, defense, space, transportation, and high-technology products |
2,543 | |||
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 |
ZETWERKzetwerk.com
Universal manufacturing network utilizing new-age technology to streamline production, reduce costs, and optimize suppliers for high-quality, globally competitive manufacturing solutions |
2,324 | |||
| 27 |
Aequs Limitedaequs.com
Provides vertically integrated manufacturing solutions for aerospace, toys, and consumer goods, ensuring supply chain efficiency globally with multiple facilities. |
2,204 | |||
| 28 |
Solar Industries India Limitedsolargroup.com
Global leader in energy materials, specializing in blasting solutions for mining, industrial explosives, ammunition for defense sector, and military primary products |
2,174 | |||
| 29 |
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 | |||
| 30 |
AXISCADESaxiscades.com
Offers technology solutions in embedded systems, digital engineering, and automation for aerospace, defense, and heavy engineering, empowering global OEMs with innovative products. |
2,098 | |||
| 31 |
JAKSON Groupjakson.com
A pioneering energy and infrastructure organization focused on sustainable solutions, including distributed energy, solar module manufacturing, green energy, and biofuels |
2,095 | |||
| 32 |
Electronics Corporation of India Limited (ECIL), Department of Atomic Energy, Government of India.ecil.co.in
A pioneering multi-technology enterprise contributing to India's self-reliance in strategic electronics for sectors like Defence, Aerospace, IT, and E-Governance |
1,979 | |||
| 33 |
Kaynes Technology India Limitedkaynestechnology.co.in
Specializing in manufacturing electronics assemblies for various industries with advanced technologies, capabilities, and a strong vendor base in India and abroad |
1,875 | |||
| 34 |
Wipro Enterprises Pvt Ltdwiproenterprises.com
Wipro Enterprises encompasses leading FMCG brands in personal care, home care, and lighting, along with engineering businesses focused on hydraulics, aerospace, and automation solutions |
1,756 | |||
| 35 |
Bharat Fritz Werner Ltd. (BFW)bfwindia.com
Manufacturing high-quality CNC machines including VMC, HMC, VTL, and special purpose machines for aerospace, automotive, electronics, and medical sectors. |
1,746 | |||
| 36 |
Reliance Infrastructurerinfra.com
A leading infrastructure company involved in power generation, distribution, defense, metro rail, airports, EPC, roads, and transmission projects in India |
1,729 | |||
| 37 |
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 | |||
| 38 |
L&T Energy-CarbonLite Solutionslntpower.com
Specializing in the coal and gas based thermal power sector, this company provides turnkey solutions, manufacturing facilities, and technical training for power projects globally |
1,671 | |||
| 39 |
Amber Enterprises India Limitedambergroupindia.com
Prominent solution provider for Air conditioner industry in India, specializing in manufacturing components and complete units with a focus on quality and cost efficiency |
1,671 | |||
| 40 |
Air Works Groupairworks.aero
A global aviation services provider offering engineering, asset management, safety solutions, and MRO services to the commercial and business aviation communities |
1,569 | |||
| 41 |
JK Maini Global Aerospace Ltdjkmaini.com
An end-to-end solutions provider specializing in precision products and assemblies for aerospace, defense, automotive, industrial, and other industries globally |
1,560 | |||
| 42 |
Titagarhtitagarh.in
A leading Indian manufacturer of railway passenger and freight rolling stock, with global presence spanning India, Italy, and France Specializing in specialized engineering equipment |
1,556 | |||
| 43 |
L&T Valveslntvalves.com
Global leader in industrial valves, offering innovative solutions for various industries, backed by state-of-the-art design, manufacturing, and customer support capabilities worldwide |
1,448 | |||
| 44 |
VSSC - Indian Space Research Organizationvssc.gov.in
Lead center of ISRO conducting research in rocket technology, launch vehicles, propellants, aerospace engineering, and atmospheric science for space missions and projects |
1,437 | |||
| 45 |
Victura Technologies Private Ltd.victura.co.in
A leading global provider of metal engineering and electronics solutions for Automotive, Railways, Defence, Consumer Electronics, and E-Mobility industries |
1,420 | |||
| 46 | 1,340 | ||||
| 47 |
Vikas Groupvikasgroup.in
A socially and environmentally responsible enterprise focused on empowering people and driving excellence through challenge, innovation, wisdom, and harmony |
1,289 | |||
| 48 |
SANMINA-SCI TECHNOLOGY INDIA PRIVATE LIMITEDsanmina.com
A machinery company based in Tamil Nadu, India specializing in providing technological solutions and services for various industries |
1,288 | |||
| 49 |
Aeronautical Development Agencyada.gov.in
Nodal agency for design & development of LCA, partnering with HAL, DRDO, CSIR labs, industries, and academic institutions to support defense R&D |
1,251 | |||
| 50 |
AVTEC Limitedavtec.in
The company is a leading manufacturer of engines and transmissions, supplying auto components to global OEMs and focusing on both on-highway and off-highway vehicles |
1,230 | |||
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How this list is built
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 India
- The largest companies in India 18,887
- Multinational companies in India 3,191
- Manufacturers in India 3,029
- Companies with in-house R&D in India 1,990
- IT Services and IT Consulting companies in India 1,603
- IT services companies in India 1,352
- Companies with a mobile app in India 1,313
- Financial services firms in India 1,259
- Financial Services companies in India 1,244
- Publicly traded companies in India 1,199
- Retail chains in India 1,169
- Higher Education companies in India 1,144
- Hardware manufacturers in India 1,135
- Critical infrastructure operators in India 1,044
- Professional services firms in India 1,028
- Corporate groups and holding companies in India 946
- Education Administration Programs companies in India 877
- Public sector organisations in India 877
- AI companies in India 700
- Healthcare providers in India 689
- Consulting firms in India 688
- Hospitals and Health Care companies in India 686
- Energy companies in India 631
- E-commerce companies in India 599
The same list elsewhere in India
- Aerospace and defence companies in Karnataka 60
- Aerospace and defence companies in Maharashtra 40
- Aerospace and defence companies in Bengaluru 54