Spacecraft Companies

SpaceX

Starbase, United States commercial

Space Exploration Technologies Corp. (SpaceX) is the world's leading aerospace company, listed on Nasdaq (SPCX) since June 2026, founded by Elon Musk in 2002 with the mission of reducing space transportation costs and enabling the colonization of Mars. Headquartered at Starbase, Texas, SpaceX designs, manufactures, and launches advanced rockets and spacecraft, having revolutionized the aerospace industry with its development of reusable launch vehicle technology. The company operates as a vertically integrated manufacturer, producing the majority of its rocket components in-house, including engines, avionics, and structures. SpaceX employs about 22,000 people (2026) across its facilities in California, Texas, Florida, and Washington state. Under the leadership of CEO Elon Musk and President Gwynne Shotwell, SpaceX has grown from a startup to the dominant force in commercial space launch. ## History and Milestones SpaceX was founded in June 2002 after Elon Musk sold PayPal and invested $100 million of his personal fortune into the venture. The company's first rocket, Falcon 1, achieved orbit on its fourth attempt in September 2008, becoming the first privately developed liquid-fueled rocket to reach orbit. This success secured a $1.6 billion NASA Commercial Resupply Services contract that proved crucial to the company's survival. The Falcon 9 rocket first launched in June 2010 and has since become the world's most frequently flown orbital rocket. In December 2015, SpaceX achieved a historic milestone by successfully landing a Falcon 9 first stage booster, demonstrating practical rocket reusability for the first time. The Falcon Heavy, a heavy-lift vehicle combining three Falcon 9 cores, first flew in February 2018 carrying a Tesla Roadster to solar orbit. SpaceX's Dragon spacecraft became the first commercial vehicle to deliver cargo to the International Space Station in 2012. In May 2020, Crew Dragon carried NASA astronauts to the ISS, ending U.S. reliance on Russian Soyuz vehicles for crew transport and marking the first crewed orbital spaceflight from American soil since the Space Shuttle's retirement. ## Products and Services SpaceX operates three primary launch vehicles. The Falcon 9 is a two-stage rocket designed for reliable and cost-effective transport of payloads to orbit, with first-stage reusability enabling rapid turnaround and reduced costs. Individual boosters have flown over 20 missions each. The Falcon Heavy combines three Falcon 9 first stages to provide heavy-lift capability for large satellites, deep space missions, and national security payloads. Starship is SpaceX's next-generation fully reusable transportation system, designed to carry crew and cargo to Earth orbit, the Moon, Mars, and beyond. The system consists of the Super Heavy booster and Starship upper stage, both designed for rapid reusability. Once operational, Starship will be the most powerful launch vehicle ever built. Dragon spacecraft provide cargo and crew transportation services to the International Space Station under NASA contracts. The company also operates Starlink, a satellite internet constellation providing global broadband connectivity from low Earth orbit to millions of customers worldwide, including in remote and underserved regions. ## Technology and Capabilities SpaceX's core technological innovation is practical rocket reusability. The company developed proprietary landing systems enabling first-stage boosters to return to landing zones or autonomous drone ships, reducing launch costs by recovering and refurbishing the most expensive rocket components. Grid fins, landing legs, and autonomous flight termination systems represent key enabling technologies. The Merlin engine family, burning RP-1 kerosene and liquid oxygen, powers Falcon vehicles with industry-leading thrust-to-weight ratios. SpaceX's Raptor engine, using liquid methane and oxygen, powers Starship and represents a generational advance in rocket propulsion with full-flow staged combustion enabling unprecedented efficiency and reusability. SpaceX manufactures most components in-house, including avionics, flight computers, and reaction control systems. This vertical integration provides cost advantages and rapid iteration capabilities. The company's Dragon spacecraft features proprietary life support systems, SuperDraco abort engines, and a reusable pressure vessel designed for multiple flights. ## Business and Financial Overview SpaceX listed on Nasdaq and Nasdaq Texas in June 2026 under the ticker SPCX. Elon Musk remains the largest shareholder through a dual-class structure. The IPO priced at $135 a share and raised about $75 billion at a $1.77 trillion valuation, after a December 2025 insider share sale had valued the company at about $800 billion. Earlier private rounds had raised over $10 billion; investors included Founders Fund, Google, Fidelity, and various sovereign wealth funds. Revenue sources include commercial satellite launches, NASA crew and cargo contracts, national security missions for the U.S. Space Force and NRO, and Starlink consumer and enterprise subscriptions. The commercial launch business captured over 80% of global launch mass in 2024. Starlink has emerged as the company's primary revenue driver, generating several billion dollars annually with a path to profitability. SpaceX holds multi-billion dollar NASA contracts including Commercial Crew Transportation, Commercial Resupply Services, and the Human Landing System contract for Artemis lunar missions. The company competes successfully against international launch providers and legacy aerospace contractors through pricing significantly below traditional government contractors. ## Recent Developments In 2024, SpaceX achieved a record-breaking 138 launches, including 134 Falcon family missions, shattering global launch records. The Falcon 9 maintained its streak of over 300 consecutive successful missions. Starlink expanded across consumer, business, maritime, aviation, and government segments and became the company's primary revenue driver. The Polaris Dawn mission achieved the first commercial spacewalk using SpaceX-designed EVA suits. Starship development achieved major milestones with multiple integrated flight tests from Starbase in Boca Chica, Texas. Flight 5 demonstrated the first successful catch of the Super Heavy booster using the launch tower's mechanical arms, a crucial step toward rapid reusability. Subsequent flights achieved controlled ocean landings and extended flight durations. Looking ahead, SpaceX is preparing for operational Starship flights, expanded Starlink service including direct-to-cell capability, continued ISS crew rotations, and initial work on the Artemis III lunar landing mission contracted by NASA. ## Market Position SpaceX dominates the global commercial launch market, conducting more launches than all other providers combined in 2024. The company's pricing and reliability have effectively ended competition from European, Russian, and most other international launch providers in commercial markets. Only China's state-backed launch programs maintain comparable launch cadence. Key competitors include United Launch Alliance (Boeing-Lockheed joint venture), Rocket Lab in the small launch segment, Blue Origin with New Glenn now flying, and emerging players like Relativity Space. In the satellite internet market, Starlink competes with OneWeb, Amazon's planned Project Kuiper, and traditional satellite operators like Viasat and SES. SpaceX's competitive advantages include demonstrated reusability, vertical integration, rapid innovation cycles, and pricing that undercuts competitors by significant margins. The company's track record of reliable launches and dominant market share position it to maintain leadership as space industry growth accelerates.

Rocket Lab

Long Beach, United States commercial

Rocket Lab is a leading aerospace company providing end-to-end space solutions including launch services, spacecraft manufacturing, and on-orbit operations. Founded in 2006 by Peter Beck in New Zealand and now headquartered in Long Beach, California, the company has established itself as the second most frequently launched U.S. rocket operator behind SpaceX. The company trades on NASDAQ under the ticker RKLB following its 2021 SPAC merger. Rocket Lab employs approximately 2,000 people across facilities in California, Virginia, New Zealand, and Colorado. Under founder and CEO Peter Beck, the company has evolved from a small satellite launch provider into a comprehensive space systems company. ## History and Milestones Peter Beck founded Rocket Lab in New Zealand in 2006 with the goal of making space more accessible through small, affordable rockets. The company developed the Electron rocket, achieving first orbital flight in January 2018. Rocket Lab became the first private company to reach orbit from the Southern Hemisphere. The company pioneered electric-pump-fed rocket engines with the Rutherford engine, using 3D-printed components and electric motors instead of traditional turbopumps. This innovation reduced engine complexity and cost while maintaining performance. Electron has since completed over 50 launches with a strong success rate. In 2020, Rocket Lab successfully recovered an Electron first stage for the first time using parachute and helicopter capture, demonstrating a path to reusability. The company expanded into spacecraft manufacturing through the acquisition of Sinclair Interplanetary, Advanced Solutions Inc., and Planetary Systems Corporation, becoming a vertically integrated space company. ## Products and Services Electron is Rocket Lab's workhorse small satellite launcher, capable of delivering 300 kg to low Earth orbit from launch sites in New Zealand and Virginia. The rocket uses nine Rutherford engines on its first stage and a single vacuum-optimized Rutherford on the second stage. Electron launches are priced at approximately $7.5 million. Neutron is Rocket Lab's medium-lift reusable rocket currently in development, designed to carry 13,000 kg to low Earth orbit. The rocket features an innovative wide-body design with a reusable first stage landing on the launch pad rather than at sea. Neutron targets constellation deployment, cargo resupply, and potentially crewed missions. Rocket Lab's Space Systems division manufactures Photon spacecraft, providing satellite buses for customers who want turnkey solutions. Photon supports missions from low Earth orbit to interplanetary trajectories, including NASA's CAPSTONE lunar mission. The company also supplies spacecraft components to other manufacturers. ## Technology and Capabilities The Rutherford engine represents a significant advancement in small rocket propulsion, using electric pumps powered by lithium polymer batteries instead of gas generators or turbopumps. This approach simplifies the engine, enables high-performance 3D printing of major components, and provides precise throttle control for landing attempts. Rocket Lab operates the only private orbital launch complex in the Southern Hemisphere at Mahia Peninsula, New Zealand, providing unique launch geometry for polar and sun-synchronous orbits. The company's second launch complex at Wallops Island, Virginia, serves U.S. government and commercial customers requiring domestic launch. The Photon spacecraft bus provides integrated power, propulsion, attitude control, and communications for customer payloads, significantly reducing time to orbit for small satellite missions. Rocket Lab's spacecraft manufacturing capabilities include solar panels, reaction wheels, star trackers, and software, enabling rapid satellite production. ## Business and Financial Overview Rocket Lab trades publicly on NASDAQ (RKLB) with a market capitalization that has varied between $2-6 billion since its 2021 debut. The company generates revenue from launch services, spacecraft manufacturing, and component sales, with launch and space systems representing roughly equal revenue contributions. The company holds multiple NASA contracts including the Electron Launch Services Contract, spacecraft development for the Mars Sample Return mission, and various technology development awards. Rocket Lab also serves commercial constellation operators, defense customers, and civil space agencies worldwide. Rocket Lab has raised substantial capital through its public listing and subsequent offerings, investing in Neutron development, manufacturing expansion, and strategic acquisitions. The company targets profitability as launch cadence increases and Neutron becomes operational. ## Recent Developments In 2024, Rocket Lab achieved record launch cadence with multiple Electron missions per month, demonstrating manufacturing scalability. The company continued Neutron development, revealing detailed vehicle specifications and beginning construction of dedicated production facilities in Virginia. Rocket Lab successfully recovered additional Electron boosters via mid-air helicopter capture, advancing toward operational reuse. The company's Space Systems division delivered multiple spacecraft for commercial and government customers, growing its backlog of satellite manufacturing orders. The company expanded its component manufacturing business, supplying reaction wheels, solar panels, and other subsystems to external satellite manufacturers. Rocket Lab also advanced its deep space capabilities, supporting NASA's Mars exploration programs and commercial lunar mission customers. ## Market Position Rocket Lab leads the small satellite launch market, competing primarily with SpaceX rideshare services and emerging small launch providers. The company's reliable track record and dedicated launch service commands premium pricing compared to rideshare alternatives, serving customers requiring specific orbits or timing. Key competitors include SpaceX for all launch segments, Virgin Orbit (now defunct), Relativity Space, and international providers. In spacecraft manufacturing, Rocket Lab competes with Terran Orbital, AAC Clyde Space, and traditional satellite primes for small to medium satellite programs. Rocket Lab's competitive advantages include proven launch reliability, rapid cadence capability, vertical integration, and a clear path to medium-lift with Neutron. The company's expansion from launch to full space systems differentiates it from pure-play launch providers.

Firefly Aerospace

Cedar Park, United States commercial

Firefly Aerospace is an American launch and space systems company headquartered in Cedar Park, Texas, developing the Alpha small launch vehicle and the Blue Ghost lunar lander. Founded in 2017 by Tom Markusic after acquiring assets from the original Firefly Space Systems bankruptcy, the company has made rapid progress across both launch and lunar surface delivery. Alpha achieved orbital success in October 2022 after a failed first attempt and has since flown multiple successful missions. Firefly's Blue Ghost lunar lander achieved a historic milestone on March 2, 2025, when it became the first commercially contracted lunar lander to successfully touch down on the Moon and complete a full NASA science mission — delivering ten NASA payloads to Mare Crisium and operating on the lunar surface for a full lunar day (approximately two Earth weeks). The mission represented a major win for NASA's Commercial Lunar Payload Services (CLPS) program. Firefly is majority-owned by AE Industrial Partners and has also developed the Elytra orbital transfer vehicle for in-space transportation services.

Moog Inc

East Aurora, United States commercial

Moog Space, founded in 1951 and headquartered in East Aurora, New York, is a key provider of solutions for the space industry, specializing in the design, development, and manufacture of critical systems and components. While initially focused on propulsion, the company has expanded its portfolio to encompass a broad range of technologies including spacecraft avionics, guidance systems, fluid controls, structures, and environmental control & life support systems (ECLSS). Moog serves both commercial and government customers, supporting missions ranging from launch vehicles and satellite buses to human spaceflight initiatives, including contributions to NASA’s Space Launch System and future lunar missions. A core strength lies in Moog’s advanced avionics systems, offering integrated Command and Data Handling (C&DH) and Electrical Power Systems (EPS). The company is actively investing in next-generation technologies such as radiation-hardened computing – exemplified by the Cascade Single Board Computer featuring a RISC-V processor – and additive manufacturing to enhance capabilities and meet evolving mission demands. Beyond electronics, Moog provides mechanical solutions including hexapods for precision payload positioning, spacecraft mechanisms, shock and vibration isolation systems, and structural adapters for various satellite sizes. This diverse offering positions Moog Space as a comprehensive partner for organizations operating across the entire space ecosystem.

Intuitive Machines

Houston, United States commercial

Intuitive Machines is a leading commercial lunar services company providing spacecraft, landers, and space infrastructure supporting NASA's return to the Moon. In February 2024, the company achieved a historic milestone when its Odysseus Nova-C lander became the first commercial spacecraft to successfully soft-land on the Moon and the first American spacecraft to reach the lunar surface since Apollo 17 in 1972. The IM-1 mission launched on SpaceX Falcon 9 from Kennedy Space Center on February 15, 2024, with Odysseus landing at Malapert A crater near the lunar south pole on February 22. The 4-meter tall hexagonal lander carried approximately 100 kg of payload including six NASA-developed experiments and commercial customer payloads. Odysseus was the first spacecraft to use liquid methane and liquid oxygen (methalox) propulsion beyond low-Earth orbit. Selected through NASA's Commercial Lunar Payload Services (CLPS) initiative, Intuitive Machines received $118 million to develop the Nova-C platform. The CLPS program enables NASA to contract with commercial partners providing launch and landing services, accelerating lunar exploration while building a commercial lunar economy. The IM-2 mission, launched in February 2025, delivered the Athena lander to the lunar south pole region, where it tipped over on landing and operated for about a day; it carried Nokia's Lunar Surface Communication System to establish the first cellular network on the Moon. Intuitive Machines continues developing lunar data transmission services, navigation systems, and infrastructure supporting NASA's Artemis campaign to establish a sustainable human presence on the Moon.

York Space Systems

Denver, United States commercial

York Space Systems listed on the New York Stock Exchange as YSS on 30 January 2026, selling 18.5 million shares at $34; in 2026 it acquired ATLAS Space Operations, Orbion and ALL.SPACE, and in August cut its full-year revenue guidance to $375–405 million. York Space Systems is a leading small satellite manufacturer delivering integrated defense technology solutions for the Space Development Agency's Proliferated Warfighter Space Architecture. Founded to transform space access speed and economics, York provides spacecraft production, payload integration, launch services, and autonomous mission operations. York manufactures the S-CLASS, LX-CLASS, and M-CLASS satellite platforms supporting missions from ISR and remote sensing to communications and proximity operations. The S-CLASS is a 3-axis stabilized spacecraft designed for mass manufacture and constellation deployment, meeting stringent defense mission requirements. In August 2024, the Space Development Agency awarded York a contract to develop 10 satellites for Tranche 2 Transport Layer Gamma, launching in 2027 to enhance Joint All Domain Command and Control capabilities. York previously delivered nine satellites for Tranche 0 and is manufacturing 42 satellites for Tranche 1, 12 experimental T1DES satellites, and 62 Tranche 2 Alpha satellites under a $617 million contract. In December 2024, York completed System Requirements Review for 10 Tranche 2 Gamma satellites and Critical Design Review for 62 Tranche 2 Alpha satellites within a three-week period, demonstrating rapid program execution. York completed construction of a new manufacturing facility doubling production capacity to more than 1,000 satellites annually. The Denver-based company continues expanding defense satellite manufacturing to support the nation's proliferated space architecture.

ispace

Tokyo, Japan commercial

ispace is a Japanese lunar exploration company developing commercial lunar landers and transportation services. The company's Hakuto-R Mission 2, named Resilience, launched on SpaceX Falcon 9 on January 15, 2025, successfully reaching lunar orbit on May 6, 2025. On June 5, 2025, the lander attempted to touch down at the lunar south pole but experienced a hard landing after its Laser Range Finder encountered delays obtaining valid measurements. The technical analysis confirmed the lander likely impacted the lunar surface. Mission 2 carried TENACIOUS, the first European-built lunar rover (5 kg) designed and manufactured in Luxembourg with co-funding from the Luxembourg National Space Programme. After NASA and Draper ended the CLPS task order behind the ispace-U.S. APEX 1.0 lander in July 2026, ispace reset its roadmap: Mission 3 is now a Japan-built ULTRA lander targeting a 2028 launch on an H3 rocket, and Mission 4 a second ULTRA lander in 2029 carrying ESA's MAGPIE rover, while ispace-U.S. pursues NASA's CLPS 2.0 programme. The company continues working toward establishing lunar transportation infrastructure.

Sierra Space

Louisville, United States commercial

Sierra Space is a commercial space company developing the Dream Chaser spaceplane, Orbital Reef commercial space station, and related space technologies. Spun off from Sierra Nevada Corporation in 2021, Sierra Space is based in Louisville, Colorado, and aims to build commercial infrastructure in low Earth orbit to support NASA, commercial, and international customers. Sierra Space operates as a privately held company backed by strategic investors including General Atlantic, Coatue, and Moore Strategic Ventures. The company employs approximately 1,500 people and is led by CEO Tom Vice. Sierra Space positions itself as a leader in the commercialization of low Earth orbit. ## History and Milestones Sierra Nevada Corporation's Space Systems group developed the Dream Chaser vehicle beginning in 2004, based on NASA's HL-20 lifting body design. The spacecraft competed for NASA's Commercial Crew Program but was not selected. Sierra Nevada pivoted to cargo delivery, winning a Commercial Resupply Services-2 contract in 2016. Sierra Space was established as a separate company in 2021 to focus on commercial space opportunities beyond government contracts. The spinoff attracted significant private investment, valuing the company at over $4.5 billion. In 2021, Sierra Space partnered with Blue Origin to propose Orbital Reef, a commercial space station selected by NASA's Commercial LEO Destinations program. This partnership positions Sierra Space as a potential successor to the International Space Station. ## Products and Services Dream Chaser is a reusable lifting-body spaceplane designed to deliver cargo to the International Space Station and future destinations. The vehicle launches atop a ULA Vulcan Centaur or Atlas V rocket and returns to Earth with a runway landing, enabling rapid payload recovery. Dream Chaser carries both pressurized and unpressurized cargo. The LIFE (Large Integrated Flexible Environment) habitat is Sierra Space's expandable space station module technology. LIFE modules launch compactly and inflate to provide large pressurized volume. This technology is central to Orbital Reef and could support lunar surface habitats. Sierra Space is developing Shooting Star, a cargo module that accompanies Dream Chaser, providing additional volume for supplies and waste disposal. The company also works on space station systems, life support, and related technologies. ## Technology and Capabilities Dream Chaser's lifting body design provides cross-range capability during reentry, enabling landing at multiple locations. The spacecraft is designed for gentle returns (1.5 g maximum), suitable for sensitive cargo including biological experiments. Dream Chaser can land on commercial runways at non-federal spaceports. LIFE habitat technology uses advanced materials to create expandable structures that provide more volume per launch than traditional rigid modules. Sierra Space has conducted full-scale burst tests demonstrating the technology's structural integrity and safety margins. The company develops life support, thermal control, and power systems for space habitats. Sierra Space also works on in-space manufacturing technologies, including plans for industrial facilities aboard Orbital Reef. ## Business and Financial Overview Sierra Space raised approximately $1.4 billion in private funding, including a 2021 Series A at a $4.5 billion valuation. The company generates revenue from NASA contracts, including the Commercial Resupply Services agreement for Dream Chaser cargo flights. Major contracts include NASA CRS-2 (at least six Dream Chaser cargo missions), Commercial LEO Destinations funding for Orbital Reef, and various technology development awards. The company seeks additional commercial and international customers for Dream Chaser and space station services. Sierra Space competes for astronaut and cargo transportation services while developing commercial space station offerings. The company's path to profitability depends on successful Dream Chaser operations and Orbital Reef development. ## Recent Developments In 2024, Sierra Space prepared for the first Dream Chaser mission, completing spacecraft integration and testing. The inaugural flight to the International Space Station was targeted for launch on ULA's Vulcan Centaur rocket. The company advanced Orbital Reef development, conducting system design reviews and component testing. Sierra Space also expanded its LIFE habitat program, completing additional structural tests and advancing manufacturing capabilities. Sierra Space strengthened international partnerships and explored additional commercial applications for its technologies. The company also invested in workforce development and facilities expansion to support upcoming operations. ## Market Position Sierra Space positions itself as a commercial space infrastructure provider, distinct from launch companies like SpaceX or satellite operators. The Dream Chaser and Orbital Reef represent comprehensive solutions for low Earth orbit commercialization. Key competitors include SpaceX (for cargo services and potentially stations), Axiom Space (for commercial space stations), and other companies developing LEO infrastructure. Sierra Space's reusable spaceplane technology offers unique capabilities for cargo return. Competitive advantages include the Dream Chaser's gentle return capability, expandable habitat technology, and diverse technology portfolio. Strategic partnerships with Blue Origin for Orbital Reef and ULA for launch services strengthen the company's position.

Momentus

San Jose, United States commercial

Momentus was a commercial in-space transportation company that developed the Vigoride orbital service vehicle for satellite deployment and hosted payload services using water plasma propulsion. The company went public via SPAC in 2021 but faced severe regulatory and financial difficulties. In 2021, the SEC charged the company and its co-founder with making false and misleading statements about the technology's performance. The company remained listed on Nasdaq (MNTS) and carried out a 1-for-17.85 reverse stock split in December 2025 to regain compliance with the exchange's minimum bid price. Vigoride flew several missions to ISS but the broader orbital transfer vehicle business struggled to reach commercial viability. As of 2025-2026 the company has dramatically scaled back operations.