Satellite Communications Companies

Iridium Communications

McLean, United States commercial

Rocket Lab agreed on 29 June 2026 to acquire Iridium at an enterprise value of about $8 billion, with closing expected in mid-2027. Iridium Communications is a satellite communications company operating the world's only truly global mobile satellite network. The Iridium constellation of 66 active satellites provides voice, data, and broadband services anywhere on Earth, including polar regions and remote oceans. Headquartered in McLean, Virginia, Iridium serves government, maritime, aviation, and IoT customers. Iridium trades on NASDAQ under IRDM with a market capitalization exceeding $4 billion. The company employs about 975 employees and generated $871.7 million of revenue in 2025. Under CEO Matt Desch, Iridium completed a $3 billion constellation replacement program and has grown into a profitable satellite operator. ## History and Milestones Motorola conceived the original Iridium system in the late 1980s as the first global mobile satellite communications network. The original 66-satellite constellation launched in the 1990s, but the company filed for bankruptcy in 1999 as adoption failed to meet projections. A investor group acquired Iridium assets in 2000 and rebuilt the business with a focus on government and specialized commercial markets. The company proved viable serving customers who needed communications where terrestrial networks couldn't reach. Iridium launched its replacement constellation, Iridium NEXT, between 2017 and 2019, deploying 75 new satellites (66 operational plus spares) aboard SpaceX Falcon 9 rockets. This $3 billion investment modernized the network with enhanced capabilities while maintaining backward compatibility. ## Products and Services Iridium provides satellite voice and data services through handheld devices, vehicle-mounted terminals, and embedded modules. The network's low Earth orbit constellation enables low-latency communications unavailable from geostationary satellites. Iridium Certus provides broadband connectivity for maritime, aviation, and land mobile applications. This L-band service offers speeds up to several megabits per second, serving customers requiring reliable connectivity in remote areas. The company's IoT services connect remote assets including shipping containers, pipeline sensors, and tracking devices. Iridium's global coverage makes it essential for assets that move beyond cellular network coverage. ## Technology and Capabilities The Iridium constellation consists of 66 active satellites in six polar orbital planes at approximately 780 km altitude. Cross-linked satellites create a mesh network that routes calls in space, reducing dependence on ground stations and enabling true global coverage including polar regions. Iridium NEXT satellites introduced capabilities including ADS-B receivers for aircraft tracking (Aireon service), AIS receivers for ship tracking, and hosted payloads for partner organizations. These hosted payloads generate additional revenue from the constellation investment. The L-band spectrum allocation provides rain-fade resistance and reliable service in adverse weather conditions. Iridium's network architecture enables direct phone-to-phone communication anywhere on Earth without routing through ground stations. ## Business and Financial Overview Iridium generated $871.7 million of revenue in 2025 with strong margins from its subscription-based model. Government services (primarily U.S. Department of Defense) represent the largest segment, followed by commercial maritime, aviation, and IoT. The company's long-term contract with the U.S. Department of Defense (worth approximately $738 million) provides stable revenue and demonstrates the network's strategic value. Commercial growth comes from maritime broadband, aviation safety services, and IoT applications. Iridium achieved profitability after completing the NEXT constellation deployment and paying down associated debt. The company maintains strong free cash flow and returns capital to shareholders through dividends and buybacks. ## Recent Developments In 2024, Iridium continued growing its subscriber base across all segments while expanding service capabilities. The company advanced partnerships with smartphone manufacturers for direct-to-device emergency satellite connectivity. Iridium expanded its IoT ecosystem, connecting more devices and applications through its network. The company also enhanced Iridium Certus services and grew the aviation connectivity business. The Aireon service (aircraft tracking via ADS-B) continued serving air navigation service providers worldwide. Iridium also advanced plans for eventual constellation sustainment and technology evolution. ## Market Position Iridium is the only satellite communications provider offering truly global coverage including polar regions. This unique capability serves customers who cannot rely on alternative networks for their communications needs. Competitors include Inmarsat, Globalstar, and emerging LEO broadband providers like Starlink. Iridium's advantages include complete global coverage, proven reliability, and specialized government relationships. Strategic priorities include growing commercial subscribers, expanding IoT applications, and planning for long-term constellation sustainment. Iridium's established market position and subscriber growth support continued financial performance.

BAE Systems

Farnborough, United Kingdom commercial

BAE Systems is a British multinational defense company founded in 1999 and headquartered in Farnborough, United Kingdom. While broadly categorized within the defense and electronics industries, the company’s involvement in space is a significant, though currently undetailed, component of its overall portfolio. Given its core competencies, BAE Systems likely contributes to space through the development and provision of critical technologies and systems for satellite communications, surveillance, and security applications. Due to limited publicly available information regarding specific space-related products and services, a detailed assessment of their key technologies is challenging. However, leveraging their expertise in electronics and defense, it is reasonable to infer capabilities in areas such as advanced sensors, secure communications payloads, and potentially, components for satellite platforms themselves. Their focus would likely be on providing robust and resilient space-based solutions for governmental and defense applications. Currently, specific notable achievements, missions, or a detailed customer list within the space sector are not publicly available. This suggests a potential focus on providing components or services *to* other space companies or governmental agencies, rather than operating as a direct-to-consumer or independent launch/satellite operator. BAE Systems’ unique value proposition within the space industry likely rests on its established reputation for delivering highly reliable and secure technology for demanding environments. This positions them as a trusted partner for organizations requiring mission-critical space-based assets, particularly within the defense and national security sectors. Further information is needed to fully understand the scope and scale of their space-related activities.

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.

Leonardo

Rome, Italy commercial

Leonardo is a multinational aerospace, defense, and security company headquartered in Rome, Italy, with a history dating back to 1948. The company operates across several business areas including aeronautics, automation, cyber & security, electronics, helicopters, and space. While a broad-based technology firm, Leonardo maintains a significant presence in satellite manufacturing as part of its space division. Leonardo invests heavily in research and development, with €2.5 billion allocated in 2024, and is actively pursuing innovation in areas like multi-domain integrated defense systems – exemplified by the recent successful testing of the Michelangelo Security Dome in Italy. The company also demonstrates a commitment to sustainability, with 64% of its financing linked to Environmental, Social, and Governance (ESG) parameters. With a substantial order backlog of €44.2 billion and revenues of €17.8 billion in 2024, Leonardo is a major player in the global aerospace and defense industry. Recent strategic agreements, such as the collaboration with Telespazio and Intuitive Machines, indicate a growing focus on lunar communication and navigation capabilities, expanding its presence in the space sector. Employing over 60,000 people across 129 sites worldwide, Leonardo positions itself as a technology partner offering integrated solutions across multiple domains, with a clear emphasis on security, innovation, and sustainable practices.

EchoStar

Englewood, United States commercial

EchoStar Corporation (Nasdaq: SATS) is an American satellite technology and services company operating Hughes Network Systems — the world's largest satellite broadband provider with over 1 million residential and business subscribers in North America. Founded in 1980 by Charlie Ergen, EchoStar provides satellite internet services under the HughesNet brand via its EchoStar XVII and EchoStar XIX Ka-band satellites. EchoStar and Dish Network (also founded by Ergen) were sister companies that merged in January 2024, reuniting the satellite television and internet operations under the EchoStar corporate umbrella. In 2025 EchoStar agreed to sell spectrum licences to AT&T (about $23 billion) and SpaceX (about $17 billion plus a $2.6 billion AWS-3 add-on), and in August 2026 its Hughes subsidiaries filed for Chapter 11 while the parent company continued outside bankruptcy. Hughes Network Systems' ground technology is also licensed internationally for broadband satellite networks.

Kratos Defense

San Diego, United States commercial

Kratos Defense & Security Solutions, Inc., founded in 1994 and headquartered in San Diego, California, is a technology company focused on the defense and aerospace industries. The company specializes in providing critical infrastructure and technology solutions, primarily centered around satellite ground systems and radio frequency (RF) products. While specific product details are limited based on available information, Kratos appears to operate within the essential network that supports space-based communications and operations. Kratos’ core capabilities lie in the development and provision of the ground-based infrastructure necessary for satellite command, control, and communications. This includes technologies for signal processing, data handling, and network management. The focus on RF products suggests expertise in the design and manufacturing of components and systems operating within the radio frequency spectrum, likely crucial for both satellite uplinks/downlinks and broader defense applications. As a company established in 1994, Kratos has been a long-standing player in the defense sector, though publicly available information regarding specific missions, achievements, or key customers is currently limited. Their longevity suggests a proven ability to navigate the complexities of government contracting and maintain relevance within a demanding industry. Kratos’ value proposition centers on providing reliable and secure ground infrastructure for satellite operations, a critical component for both commercial and government space activities. By focusing on these foundational elements, Kratos positions itself as a key enabler of space-based capabilities, supporting a range of applications from communications and Earth observation to national security.

MDA Space

Brampton, Canada commercial

MDA Space (TSX: MDA) is a leading Canadian space technology company with over 50 years of heritage building systems that operate in some of the most demanding environments on Earth and in space. The company is best known for developing Canadarm (Space Shuttle) and Canadarm2 (International Space Station), iconic robotic systems that placed Canada among the world's space powers. MDA's three business lines are robotics and space operations (including Canadarm3, originally built for the Lunar Gateway and since August 2026 being redirected by the Canadian Space Agency toward lunar surface logistics for Artemis), geointelligence (processing and analyzing imagery from RADARSAT and other satellite constellations), and satellite systems (manufacturing communications and Earth observation satellites). MDA is the satellite manufacturer for Telesat Lightspeed's LEO constellation and builds satellite components for SatixFy, Globalstar, and others. The company went public on the Toronto Stock Exchange in 2021, raising $400M in its IPO, and employs more than 4,000 people across Canada, the UK and the US.

Comtech Telecommunications

Chandler, United States commercial

Comtech Telecommunications is a leading provider of satellite communications technology, delivering mission-critical ground station equipment, modems, amplifiers, and network infrastructure supporting military missions, critical infrastructure, and everyday connectivity across the globe. The company specializes in resilient, secure, all-domain communications solutions for government and commercial satellite operations. In September 2024, Comtech launched the Digital Common Ground (DCG) portfolio of modems designed to enable the U.S. Department of Defense and coalition partners to transition to digitized, hybrid satellite network architectures. The DCG modems represent one of the first product lines with access to multi-orbit capabilities across commercial and purpose-built networks, being among the first modem lines compliant with Digital Intermediate Frequency Interoperability (DIFI) standards. These modems allow customers to switch between Geostationary Orbit (GEO), military satellite communications, Medium-Earth Orbit (MEO), and Low-Earth Orbit (LEO) networks on a single reconfigurable platform. Comtech offers award-winning bandwidth-efficient satellite modems featuring advanced technologies supporting applications including mobile backhaul, government communications, premium enterprise, and mobility markets. The company's WGS Modem received certification to operate on the O3b mPOWER satellite constellation, demonstrating compatibility with next-generation MEO systems. As a leading supplier of satellite communications uplink power amplifiers and frequency converter solutions, Comtech delivers high-efficiency HPA technology for airborne satcom systems alongside solid-state power amplifiers and BUCs. The company provides comprehensive satellite earth station solutions, VSAT technology, and troposcatter systems. Headquartered in Chandler, Arizona, Comtech continues advancing satellite communications technology to meet evolving connectivity requirements worldwide.

AST SpaceMobile

Midland, United States commercial

AST SpaceMobile is building the first and only space-based cellular broadband network accessible directly by standard smartphones, without requiring specialized hardware or additional equipment. The company's revolutionary BlueBird and BlueWalker satellites feature the largest-ever commercial communications arrays deployed in low-Earth orbit, designed to connect directly with existing mobile devices using standard 4G/LTE and 5G protocols. Founded in 2017, AST SpaceMobile has developed proprietary technology enabling ordinary smartphones to achieve broadband connectivity via satellite, addressing the approximately 5 billion mobile subscribers who lack reliable coverage in rural areas, during natural disasters, or while traveling. The company's approach eliminates the need for satellite-specific phones, accessories, or subscription changes, working seamlessly with existing cellular service plans. BlueWalker 3, launched in 2022, demonstrated the world's largest commercial communications array in space at 693 square feet, successfully completing calls and achieving record-setting 4G/5G speeds directly to unmodified smartphones. The subsequent BlueBird commercial satellites feature even larger arrays and greater capacity. AST SpaceMobile has secured partnership agreements with major mobile network operators including AT&T, Vodafone, Rakuten, and Bell Canada, representing billions of potential subscribers. The company plans to deploy a constellation of approximately 168 satellites to provide continuous global coverage, eliminating mobile connectivity gaps worldwide. Each satellite will cover areas larger than Texas, dramatically reducing the infrastructure cost per subscriber. AST SpaceMobile's technology addresses critical communication needs for emergency services, disaster response, rural connectivity, and everyday mobile users seeking uninterrupted service. Headquartered in Midland, Texas, with facilities in the United States, Israel, and the United Kingdom, In September 2024, AST SpaceMobile launched its first five BlueBird Block 1 satellites on a SpaceX Falcon 9 and demonstrated the first commercially viable direct-to-cell calls using unmodified standard smartphones — a milestone that validated the core technology. Commercial service, first targeted for late 2024, had not begun by mid-2026: the company reported test and demonstration calls over its BlueBird satellites and, in its 2025 annual report, targeted commercial launch in early 2027. The company is listed on Nasdaq as ASTS.