Companies building for space — satellites, launch systems, ground infrastructure — tiered by how much of the business it actually is.
MTAR supplies propulsion and cryogenic engine sub-assemblies (turbo pumps, gas generators, injector heads) for ISRO's space launch vehicles, with new products under development for Gaganyaan.
“In the Aerospace and Defence sector, the Company plays a key role by delivering mission-critical assemblies such as turbo pumps, booster pumps, gas generators, and injector heads for liquid propulsion and cryogenic engines used in Space Launch Vehicles.”
PTC lists 'Space & Strategic Components' as a product category and serves launch vehicles/spacecraft with propellant tanks, propulsion nozzles, bulkheads and pump casings, indicating real but secondary space-sector exposure.
“We deliver precision-engineered components for launch vehicles and spacecraft, optimised for mass efficiency, structural resilience, and thermal resistance.”
The company has a stated domain capability in Satellite Systems and is developing products including a Space Surveillance and Tracking Radar and a Bi-Static Radar for tracking objects in deep space.
“Robust domain capability in Radars, Electronic Warfare, Communication systems, Avionics & Satellite Systems”
ITI is accredited by ISRO's VSSC to perform component screening, testing, and assembly of space-grade flight packages.
“Accreditation of VSSC (Vikram Sarabai Space Centre, Trivandrum) for Component Screening, Test & Evaluation, Assembly & Testing of flight Packages.”
ISROSENE is a specialty rocket propellant fuel produced by CPCL for ISRO's launch vehicle programmes, representing a niche but real supply into India's space programme.
“Speciality products - Mineral turpentine oil, Hexane, JP-5, JP-7, ISROSENE”
Manufactures satellite structural parts via its UK-acquired entity Chester Hall, part of Belrise's broader aerospace, defence and space platform targeting 10% of manufacturing revenues.
“Chester Hall produces precision-machined aerostructure, aero-engine and satellite components for leading global aerospace customers.”
Tata Elxsi supplies engineering services to ISRO's Gaganyaan human spaceflight programme, providing ongoing support in frontier aerospace technologies.
“Continued to extend support to Indian Space Research Organisation for the Gaganyaan mission programme.”
Space electronics is a real business segment (ISRO supplies, Space Electronics product line, ASTPL subsidiary building ASTRA SAT constellation targeting 2027-28) being demerged for sharper focus, currently smaller than defence.
“Astra Space Technologies Private Limited: A wholly owned subsidiary engaged in the design, development and integration of satellites and satellite payloads, as well as the establishment of ground stations for satellite tracking and communication.”
“The Company will bring to this nascent business (two verticals) a commitment of accelerated growth and a strong focus on supplying electronic subsystems for satellite programmes and scientific applications.”
AMS supplies indigenous payload checkout systems and other space-qualified electronics to ISRO, reflecting a real but minority line of business within its broader defence and aerospace portfolio.
“First Indigenous Payload Checkout System is supplied to ISRO, replacing Legacy Imported Systems”
“Fully Integrated Company capabilities spanning design, development, testing and scale manufacturing across missile systems, satellite and space technology, naval systems, aircraft electronics and homeland security.”
Tejas manufactures satellite ground terminals, hub equipment and Sat-IoT products for LEO/MEO/GEO connectivity as part of its product portfolio.
“Compact satellite terminals and hub equipment for LEO/MEO/GEO links, extending connectivity to rural and maritime users.”
Omnitech is pursuing space as a strategic growth vector alongside aerospace/defence, working on First Article qualifications and special-process certifications to enter space-grade supply chains.
“Aerospace, Defence and Space continue to represent a strategic growth vector, with the Company focused on converting First Article development orders into repeat production programmes and progressing special-process qualifications to unlock further opportunities in this high-value segment.”
Valiant supplies space-grade synchronization/timing components (GPS/GNSS/NavIC NTP servers, PTP grandmasters) to satellite operators and launch-vehicle companies such as Space Norway and Space One Japan.
“Supplied synchronization products to Space Norway AS, Space One Co. Ltd. (Japan), Turkmenergo (Turkmenistan), DTV Network, and the U.S. Armed Forces for satellite and defence synchronization requirements.”
Kavveri designs space-qualified antennas and microwave subsystems and has been engaged with the space industry since inception, with deep-space and high-gain solutions in its R&D pipeline.
“Kavveri's portfolio, from high-power multiband and pentaband antennas to space-qualified antennas, is already engaged there.”
ACS lists 'Space-Ground' as one of nine business domains, references satellite ground infrastructure work, and reports taking early steps into the space-defence domain.
“Our work in railway safety electronics, our early steps into the space-defence domain, and our AI capabilities position us to capture a meaningful share of this expanding market.”
RPP is constructing the NASPF and NDTF facilities at ISRO's SSLV launch complex in Tamil Nadu, supplying construction services to India's space launch programme.
“Construction of Nozzle assembly and segment preparation facility (NASPF) at SSLV Launch Complex , Thiruchendur and Sathankulam Taluk ,Tuticorin District for Rs. 22.52 crores.”
BDL's Business Diversification Matrix lists 'Specialised Warhead Manufacturing & Space Application Components' as a planned new vertical under its FY 2026-27 expansion, with no current revenue yet.
“Specialised Warhead Manufacturing & Space Application Components.”
Sansera's strategic investment in MMRFIC provides exposure to developing radar and space programmes.
“Our strategic investment in MMRFIC progressed further this year, offering meaningful exposure to deep-technology radar and space programmes being developed under the Make in India initiative.”
Avalon completed prototypes for satellite communication control units in FY2026, with volume orders expected from FY2027.
“We also completed prototypes for satellite communication control units, with volume orders expected to commence in FY2027”
A Space Division has been formalised as one of four post-balance-sheet growth Platforms targeting satellite-bus manufacturing and payload integration, but no FY2026 revenue is reported.
“The Space division can apply aerospace and defence capabilities to satellite-bus manufacturing, payload integration and related systems.”
“Space has no contribution to FY2026 revenue. It remains an emerging Platform in which commercial participation is linked to partner agreements, customer programmes, authorisation, qualification and investment gates.”
Proposed new object clause (subject to AGM approval) enables manufacturing of components for Space Research & Exploration as part of an expanded Defence and Space sector business scope.
“Components used in Defence and Space sector for applications such as Rocket & Missile, Electronic warfare & surveillance, Battle tanks & armoured vehicles, other Land systems, Arms & ammunitions, Naval systems, Space Research & Exploration, Drones & Counter UAVs etc.”
Through the announced 40% stake in HAL-Edgewood Technologies, VLEG gains exposure to HETL's satellite-technology initiatives alongside its aviation and defence work.
“The company is advancing initiatives in chip-level encryption and digital design, reinforcing its commitment to innovation in high-value sectors such as aviation, satellite technology, and defence applications.”
Proposed alteration of objects clause lists Space Research & Exploration as one of the applications and 'Space' alongside Defence and Aerospace in the intended business scope.
“technologies required for Defence, Space, Aerospace and allied industry, and to act as drone specialists, counsellors, advisors, programmers”
Space technology is listed as one of five frontier technology themes of Wipro's Innovation Network, with no specific operations described.
“With a strategic focus on five frontier technology themes, i.e. Fully autonomous agentic AI, Distributed ledger technology, Embodied AI, Quantum computing and Space tech”
Space is listed as one of several end-markets served with stainless steel grades; no specific space-programme contracts or products are described.
“The Company manufactures over 120 stainless steel grades, serving sectors such as transportation, infrastructure, defence, nuclear energy, and space”
Space/aerospace appears as a small revenue category served through electronics assemblies; Kaynes is not a satellite or launch-vehicle builder.
“Aerospace, Outer-space, and Strategic Electronics 1%”
Space technology is referenced only as part of broader industry horizon commentary in the CEO's message, with no Datamatics business activity in satellites, launch vehicles or space-grade components.
“We are entering a new era where artificial intelligence, quantum computing, humanoid bots, autonomous vehicles, and space technology including satellite internet, ecosystems are rapidly moving from experimentation to large-scale real-world adoption.”
Space is only listed as one of several served sectors with no specific products, contracts, or revenue disclosed.
“Our diverse portfolio caters to a wide range of sectors, including power transmission and distribution, railways, telecom, renewable energy, defence, space, data centers, construction, IT, and oil & gas.”
The MD's message lists low-orbit satellite technology and ground-receiver systems as one of several R&D/exploration initiatives, with no current revenue or deployed capability.
“exploration of low-orbit satellite technology and ground-receiver systems. These initiatives remain at different stages of trial, evaluation or development”
Satellite Ground Stations is listed as a dedicated application for SS Instrumentation Tubes, but only as aspirational marketing language with no evidence of actual space-sector supply or revenue.
“Satellite Ground Stations”
Aerospace is named as an untapped sector Thriarr plans to enter; no specific space-grade products, satellites or launch activity is described.
“The Company aims to strengthen its presence in the US market, expand into untapped sectors such as Railways, Defense and Aerospace, and enhance its offerings through advanced thermoset and thermoplastic processing supported by global certifications.”
Department of Space is listed as a customer relationship for crane supply; no indication of building or operating space-grade technology as a business.
“along with our relationships with BHEL, L&T, Defence Establishment, Department of Space, Vedanta Group and Voith Hydro”
Definition used: Builds or operates satellites, launch vehicles, ground stations or space-grade components; supplies ISRO/commercial space programmes. Membership is extracted from each company’s newest annual report; every quote is validated against the report page before publishing, and core/growing tiers are confirmed by a second independent read (marked ). Companies whose reports our corpus hasn’t read yet simply aren’t listed — absence means unread, not “no exposure”.
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