Communications Companies

L3Harris Technologies

Melbourne, United States commercial

In 2026 L3Harris sold a controlling stake in its Space Propulsion and Power Systems business (most of the former Aerojet Rocketdyne) to AE Industrial Partners, keeping the RS-25 engine and a minority holding; Sam Mehta became President and CEO on 17 August 2026. L3Harris Technologies is a global aerospace and defense technology company operating as "The Trusted Disruptor" across air, land, sea, space, and cyber domains. With over $21 billion in annual revenue and operations in more than 100 countries, L3Harris delivers mission-critical solutions across four strategic business segments with the speed, passion, and determination that government and commercial customers demand. In the space domain, L3Harris provides comprehensive capabilities spanning satellite systems, ground infrastructure, and mission operations. The company manufactures solid rocket motors at scale to power defense and launch applications. L3Harris supports NOAA's weather satellite programs, including next-generation imaging technology for the GeoXO satellite system, advancing weather monitoring and climate observation capabilities for disaster preparedness and environmental research. The company contributes critical components to NASA's Artemis program, including the Orion Main Engine supporting crewed lunar missions. L3Harris space ground systems enable satellite command, control, and data processing for military, intelligence, and civil customers. Their responsive space capabilities deliver rapid solutions for emerging national security requirements. L3Harris emphasizes multi-domain integration, connecting space assets with terrestrial networks for comprehensive situational awareness. The company's imaging and sensor systems provide critical Earth observation data, while protected communications satellites ensure resilient connectivity for defense operations. With deep expertise in electro-optical sensors, space-based infrared systems, and ground processing, L3Harris delivers end-to-end space mission capabilities. Their acquisition of companies like Aerojet Rocketdyne further expands propulsion and space access capabilities, positioning L3Harris as a premier space technology provider.

Mercury Systems

Andover, United States commercial

Mercury Systems (Nasdaq: MRCY) is an Andover, Massachusetts defense electronics company founded in 1981 that is a leading supplier of radiation-hardened processors, secure processing modules, and mission computing systems for defense satellite programs and space-based intelligence platforms. The company's OpenVPX-based processing architectures, secure enclave modules, and high-bandwidth RF signal processing boards are used in SIGINT (signals intelligence) satellites, EO/IR surveillance satellites, and ground-based tactical processing systems. Mercury specializes in "trusted" processing — electronics qualified for classified programs with supply chain integrity assurance and anti-tamper protection. With ~$1B revenue, Mercury occupies the critical mid-tier between defense primes (Lockheed, Northrop) and component suppliers, providing ruggedized commercial-off-the-shelf (RCOTS) processing that primes integrate into their space systems.

SKY Perfect JSAT

Tokyo, Japan commercial

SKY Perfect JSAT is a leading satellite communications operator based in Tokyo, Japan. Founded in 1994, the company is recognized as Asia’s largest satcom provider and holds the distinction of being Japan’s first private sector entity to launch a communications satellite. Its core business revolves around the operation of a substantial satellite fleet delivering a range of communication and broadcasting services. The company is best known for operating “SKY PerfecTV!”, a direct-to-home satellite television service in Japan. While specific technological details aren’t widely publicized, SKY Perfect JSAT’s capabilities center around satellite design, launch operations, in-orbit management, and the delivery of high-quality broadcast and data communication services. SKY Perfect JSAT’s pioneering role in the Japanese satellite industry and its long-standing operation of a major broadcasting platform establish a strong market position. The company uniquely combines broadcasting services with broader satellite communication capabilities, serving both consumer and potentially business/government sectors within the Asia-Pacific region. Further details regarding specific satellite technologies, data services offered, or recent missions are not readily available in the provided information, but the company’s history and current categorization clearly position it as a key player in the regional space and communications landscape.

China Satcom

Beijing, China government

China Satellite Communications Group Co., Ltd. (China Satcom, 中国卫星通信集团) is a Beijing-headquartered state-owned enterprise established in 2001 under the State-owned Assets Supervision and Administration Commission (SASAC) — operating China's primary fleet of domestic GEO communications satellites and providing satellite broadcasting, broadband internet, VSAT enterprise services, maritime communications, and government satellite telecommunications services across China and internationally. China Satcom operates the ChinaSat (中星) family of communications satellites — a fleet of Ku-band, Ka-band, and C-band GEO satellites positioned across multiple orbital slots serving China's vast geographic extent (spanning 5,200 km east-west and 5,500 km north-south). Key satellites include ChinaSat-6B, ChinaSat-10, ChinaSat-11, and the high-throughput ChinaSat-16 (Zhongxing-16) — China's first Ka-band high-throughput satellite with 20 Gbps capacity, used for aviation connectivity, maritime broadband, and rural internet access. More recently, ChinaSat-17 and ChinaSat-19 have expanded the fleet's capacity. Direct-to-home (DTH) television broadcasting is the largest revenue segment: China Satcom provides the satellite capacity for China Central Television (CCTV), provincial satellite channels, and pay-TV operators to distribute programming nationwide, including to rural areas beyond cable television reach. The government's Village-to-Village Satellite Broadcasting program used China Satcom satellites to deliver digital television to China's remaining unserved rural villages. Enterprise VSAT services support financial institutions, petroleum companies, mining operations, and government agencies requiring private satellite network connectivity in remote locations. Maritime communications services connect Chinese fishing fleets, merchant shipping, and offshore platforms. Aviation connectivity for domestic airlines is a growing segment as Chinese aviation expanded rapidly. China Satcom's satellites are manufactured primarily by China Academy of Space Technology (CAST, DFH-4/DFH-5 bus platforms) and launched on Long March rockets. Internationally, China Satcom competes with commercial operators including Intelsat, SES, and Eutelsat for capacity in markets where Chinese satellite coverage overlaps with Southeast Asia, Central Asia, and Africa.

Wyld Networks develops satellite IoT connectivity technology that links low-cost ground sensors directly to constellations of low-Earth-orbit satellites, enabling data collection in remote regions beyond terrestrial cellular coverage. Its core products include Wyld Connect, a LoRaWAN-based sensor-to-satellite module, and Wyld Fusion, a cloud management platform that routes device data through partner LEO networks. Target applications span agriculture, environmental monitoring, utilities, logistics and asset tracking. The company operates an asset-light model and is publicly listed on the Nasdaq First North Growth Market in Stockholm.

Naval Group Space Systems

Paris, France commercial

Naval Group Space Systems, founded in 2017 and based in Paris, France, focuses on developing satellite communications and space-based surveillance solutions specifically tailored for naval defense applications. As a division of the larger Naval Group – a European leader in naval defense serving over 50 navies worldwide – the Space Systems branch leverages broader capabilities in warship design, integration, and in-service support to deliver comprehensive maritime security solutions. The company’s core business centers on integrating space-based assets to enhance naval operational capabilities, likely including secure communications relays and maritime domain awareness through surveillance technologies. While specific technological details are limited in available information, the focus suggests expertise in satellite communications, signal intelligence, and potentially, space-based radar or optical imaging for maritime monitoring. Naval Group’s established relationships with numerous navies globally position Naval Group Space Systems to offer integrated solutions to existing customers. Recent news highlights continued collaboration with the Egyptian Navy for fleet support, indicating a strong customer base and ongoing service contracts. Ultimately, Naval Group Space Systems differentiates itself by offering specialized space-based solutions *within* the broader context of comprehensive naval defense systems, providing a unique value proposition for navies seeking to enhance their maritime security and operational effectiveness through space assets.

Advantech Wireless

Montreal, Canada commercial

Advantech Wireless is a Canadian designer and manufacturer specializing in advanced satellite communication solutions and terrestrial wireless technologies. The company focuses on providing high-performance equipment, including GaN-based solid state power amplifiers (SSPAs), block upconverters (BUCs), and frequency converters, catering to a diverse range of applications. Advantech Wireless distinguishes itself through its utilization of Gallium Nitride (GaN) technology, which enables higher power, increased bandwidth, and reduced operating costs in its amplifier products. Their product portfolio extends to complete SATCOM terminal solutions, such as the Engage Class 2.4-meter Flyaway terminal, alongside a range of fixed and deployable antennas and related controllers. Advantech Wireless serves multiple sectors, including commercial broadband, broadcasting (with solutions ready for Ultra HD 4K/8K), maritime, direct-to-home satellite television and internet, and critical infrastructure/government applications. Notably, Advantech Wireless is actively involved in the space sector, participating in initiatives with NASA’s Artemis lunar program. The company emphasizes innovation through dedicated research and development, aiming to deliver custom solutions with a commitment to industry leadership in design and reliability. Their SSPAs are marketed as providing the highest output power currently available on the market.

Aegiq

Sheffield, United Kingdom academic

Aegiq is a Sheffield, UK quantum photonics company founded from the University of Sheffield's Quantum Photonics Lab, developing integrated quantum photonic chips for quantum key distribution (QKD) satellite communications and quantum networking applications. The company's core technology is a deterministic single-photon source based on self-assembled InAs quantum dots — semiconductor nanostructures that emit exactly one photon per excitation pulse, enabling the quantum-mechanical security guarantees of QKD that are impossible to achieve with attenuated laser sources used by most commercial QKD systems today. Deterministic single-photon emission eliminates the multi-photon vulnerability (the photon-number-splitting attack) that limits the secure key rate and operating distance of laser-based QKD systems. Aegiq participates in Project U-Quant, a UK Research and Innovation (UKRI)-funded partnership with the University of Exeter and industrial collaborators to develop miniaturized quantum photonic transmitter payloads suitable for CubeSat-scale satellites. A satellite-based QKD terminal using deterministic single-photon sources would extend secure key distribution to intercontinental distances — beyond the reach of fiber-based QKD networks — enabling truly global quantum-secure communication infrastructure. The company's integrated photonic chip approach (waveguide-coupled quantum dots on GaAs or InP platforms) enables miniaturization critical for the size, weight, and power constraints of space payloads. Aegiq operates within Sheffield's advanced manufacturing and photonics ecosystem, with proximity to the UK's High Value Manufacturing Catapult centers. The company competes in the quantum communications hardware space with ID Quantique, Toshiba Research Europe, and QuantumCTek (Chinese), as well as academic spin-outs from MIT, Paris, and Vienna working on similar quantum dot emitter platforms.

Airbus Intelligence is the satellite imagery and Earth observation data business of Airbus Defence and Space, operating one of the highest-resolution commercial optical constellations in the world from its headquarters in Toulouse, France. The division's Pléiades Neo constellation — four satellites launched between 2021 and 2022 — delivers native 30cm panchromatic resolution across a 14km swath with a twice-daily global revisit frequency, placing it among the sharpest commercially available imagery sources alongside Maxar's WorldView Legion. The legacy SPOT 6 and SPOT 7 satellites, still operational at 1.5m panchromatic/6m multispectral resolution, provide complementary wide-area coverage at 60km swath. Airbus also markets the HD15 product line — a 15cm-class enhanced resolution derived from Pléiades Neo acquisitions through super-resolution processing — competing directly with Maxar's 30cm WorldView-3 and the sub-30cm constellation ambitions of BlackSky and Satellogic. The European Data Relay System (EDRS) is a critical differentiator: geostationary laser relay satellites operating at 1.8 Gbit/s enable near-real-time downlink of Pléiades Neo imagery without waiting for ground station passes, compressing time-from-capture-to-delivery to under an hour. This architecture underpins emergency response, maritime domain awareness, and military intelligence-grade timeliness. Data access is unified through the One.Atlas platform, providing API-based ordering, archive search across all sensors, and analytics-ready delivery formats for GIS integration. Airbus Intelligence holds long-term defense contracts with the French Ministry of Defence (the ORFEO program), NATO, and numerous European national mapping agencies. Competitors include Maxar Technologies (WorldView Legion), Planet Labs (SkySat/Dove dual-use), BlackSky, and ICEYE for SAR tasking. The Pléiades Neo 30cm heritage positions Airbus as the benchmark optical EO asset for European defense and civil customers seeking SPOT/Pléiades continuity.