Companies building for space — satellites, launch systems, ground infrastructure — tiered by how much of the business it actually is.
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.”
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.”
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”
Space is a real secondary business line: AMS supplies space-qualified subsystems such as PCM encoders/decoders, launcher and cruise vehicle relay units, and payload checkout/telemetry systems to ISRO programmes.
“We deliver subsystem-level components tailored for space-qualified performance, ensuring robustness and mission success in orbit.”
“AMS also makes Commercial Off-the-Shelf (COTS) solutions that are specially designed and configured to meet the unique requirements of both defence and space industries.”
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.”
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 is referenced only as a downstream application for Astra's telemetry and EW subsystems, not as a core or growing business in satellites/launch vehicles.
“Satellite communication system”
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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