Rocket Propellant

Rocket Propellant Market Outlook

The global rocket propellant market is expected to reach approximately USD 8.5 billion by 2035, growing at a CAGR of around 5.2% during the forecast period from 2025 to 2035. The robust growth in this market is primarily driven by the increasing demand for space exploration activities, satellite deployment, and military rocket launches, as nations and private companies aim to expand their presence in outer space. Moreover, advancements in rocket technology, including the development of more efficient propellant types and formulations, are further fueling market growth. Increasing commercialization of space travel and ongoing government investments in aerospace and defense sectors are also contributing to the positive trajectory of the rocket propellant market. The emergence of private players in the aerospace sector and the shift towards sustainable propellant solutions further underscore the market's potential for expansion.

Growth Factor of the Market

The growth of the rocket propellant market is significantly influenced by several key factors that enhance its potential. Firstly, the advent of new technologies, such as reusable rocket systems and environmentally friendly propellants, is reshaping the landscape of rocket launch operations. These innovations not only reduce costs but also attract a wider range of stakeholders, from government agencies to private enterprises. Secondly, geopolitical tensions and rising defense budgets globally have resulted in increased investments in military capabilities, leading to a heightened demand for missile systems and associated propellant technologies. Additionally, the growing interest in commercial space flights and satellite internet services, particularly by companies like SpaceX and Blue Origin, is creating a surge in demand for reliable and efficient rocket propellants. Thirdly, collaborations between governments and private sector players are fostering advancements in aerospace technologies, further boosting market growth. Lastly, rising public interest in space exploration, exemplified by missions to Mars and lunar explorations, enhances the demand for propellant solutions that can support long-duration space missions.

Key Highlights of the Market

• The global rocket propellant market is projected to witness a CAGR of 5.2% from 2025 to 2035.
• Liquid rocket propellant segment is anticipated to dominate the market due to its high performance and efficiency.
• The application of rocket propellants in commercial rockets is rapidly increasing due to the booming space tourism industry.
• Government and defense end-users are expected to hold the largest share of the market driven by increased military expenditures.
• Asia Pacific is forecasted to be the fastest-growing region, reflecting the emergence of space programs in countries like India and China.

By Type

Liquid Rocket Propellant:

Liquid rocket propellants are among the most efficient types used in modern rocketry. These propellants consist of a fuel and an oxidizer that are stored in separate tanks and combined in a combustion chamber during the launch sequence. The advantages of liquid rocket propellants include high thrust-to-weight ratios and the ability to throttle engines, which allows for precise control of the rocket's trajectory. As advancements in technology continue, the focus on developing cryogenic and hypergolic liquid propellants is increasing, enabling more powerful and reliable rocket launches. Major space agencies and private companies favor liquid propellants for their high performance, making this segment a leader in terms of market share and technological innovation.

Solid Rocket Propellant:

Solid rocket propellants are widely used due to their simplicity and reliability. These propellants are pre-loaded into the rocket motor and ignited to produce thrust. The advantages of solid rocket propellants include their lower cost of production, ease of handling, and long shelf life, making them ideal for military applications and space launch vehicles. Despite their limitations in throttle control compared to liquid systems, solid propellants are favored for booster applications, such as those employed in the Space Shuttle and various military missiles. The solid rocket propellant segment is expected to witness steady growth as military investments in missile systems continue, further solidifying its position in the market.

Hybrid Rocket Propellant:

Hybrid rocket propellant combines the features of both liquid and solid propellants, utilizing a solid fuel source with a liquid oxidizer. This innovative approach allows for greater control over the combustion process, offering the ability to adjust thrust levels during flight. As a result, hybrid rocket systems are gaining traction within the aerospace industry as they provide a balance between performance and safety. These propellants are particularly appealing for suborbital and orbital flight applications, where flexibility and cost-effectiveness are paramount. As the space industry evolves, the demand for hybrid propulsion systems is projected to grow, opening new avenues for development and commercialization.

Green Propellant:

Green propellants represent a significant advancement in rocket technology, characterized by their environmentally friendly composition and reduced toxicity compared to traditional propellants. These innovative solutions aim to minimize the environmental impact of rocket launches while maintaining performance and reliability. The growing focus on sustainability and regulatory pressures to reduce emissions in the aerospace sector are driving demand for green propellants. Companies are investing in research and development to create effective green alternatives that can seamlessly replace conventional propellant systems. The rise of commercial space companies and their commitment to sustainable practices is further contributing to the growth of this segment, making green propellants a focal point for future innovation.

Solar Propellant:

Solar propellant, while still in its nascent stages, represents an exciting area of research within the rocket propellant market. Utilizing solar energy to drive propulsion systems offers the potential for cost-effective and sustainable space travel. Solar propulsion systems rely on the energy harvested from the sun to produce thrust, significantly reducing the need for traditional chemical propellants. This technology is particularly advantageous for long-duration missions, such as those targeting distant planets or deep space exploration. As space agencies and private companies continue to explore the possibilities of solar propulsion, it is anticipated that this segment will develop further, contributing to the diversification of propellant technologies available in the market.

By Application

Military Rockets:

The military rockets segment forms a substantial portion of the rocket propellant market, driven primarily by the ongoing global tensions and the necessity for defense capabilities. Governments invest heavily in missile technology and strategic defense systems, ensuring a steady demand for high-performance rocket propellants. The use of solid and liquid propellants in military applications provides enhanced thrust and reliability, critical factors for successful missile launches. Moreover, the rise in geopolitical conflicts and advancements in military technologies further bolster this segment's growth, as nations seek to modernize their defense arsenals.

Commercial Rockets:

The commercial rockets segment is rapidly expanding, primarily due to the increasing number of satellite deployments and the growing interest in space tourism. With companies like SpaceX and Blue Origin leading the charge, the demand for reliable and efficient rocket propellants is at an all-time high. Commercial rockets utilize advanced propulsion technologies that require innovative propellant formulations to maximize performance and minimize costs. As governments and businesses alike recognize the potential of outer space, investments in commercial rocket technology are expected to continue to escalate, paving the way for a flourishing market in commercial aerospace applications.

Spacecraft:

The spacecraft application segment encompasses a diverse range of missions, including crewed and uncrewed missions for exploration, research, and satellite deployment. The intricacies of spacecraft design require specialized rocket propellants that ensure safety and efficiency during launches. Liquid and hybrid propellants are often favored in this segment due to their ability to provide precise control and long-term reliability. As space exploration missions evolve, such as missions to Mars and beyond, the demand for advanced propellant solutions tailored for spacecraft applications is likely to rise, driving technological advancements and market growth in this sector.

Missiles:

The missile application segment is a crucial aspect of the rocket propellant market, emphasizing the importance of performance and precision in military operations. Propellants used in missile systems must deliver high thrust and stability during flight, necessitating advanced formulations that meet rigorous performance standards. The ongoing global focus on defense and missile technology advancements continues to propel the demand for rocket propellants in this area. Furthermore, the increasing investments in missile defense systems by various countries contribute to a favorable growth outlook for the missile application segment within the larger rocket propellant market.

Sounding Rockets:

Sounding rockets are primarily utilized for atmospheric research and scientific experimentation, representing a niche segment within the rocket propellant market. These rockets are designed to carry payloads to suborbital altitudes, allowing researchers to gather valuable data on atmospheric conditions and other scientific phenomena. The propellants used in sounding rockets must be reliable and efficient, as mission success is critical for data collection. As scientific research continues to evolve and more attention is given to atmospheric studies, the demand for sounding rockets and their associated propellant solutions is expected to grow, supporting advancements in scientific knowledge.

By End User

Government & Defense:

The government and defense segment is the largest end-user of rocket propellants, primarily driven by military expenditure and defense programs. Governments worldwide are continuously investing in advanced military capabilities, including missile systems and satellite technology, which necessitate high-quality propellant solutions. The demand for reliability, performance, and safety is paramount in this sector, and rocket propellant manufacturers are consistently innovating to meet these requirements. As global tensions persist and defense budgets remain robust, this segment is expected to sustain its growth trajectory, further solidifying its dominance in the rocket propellant market.

Commercial Aerospace:

The commercial aerospace end-user segment is witnessing significant growth as the interest in space exploration and satellite technologies skyrockets. Major private companies are entering the space sector, offering various services such as satellite launches, space tourism, and interplanetary missions. This surge in commercial activities necessitates a steady supply of advanced rocket propellants that can perform under diverse conditions. As the commercial aerospace industry continues to expand, driven by technological advancements and increased investments, the demand for rocket propellants tailored for commercial applications is set to rise, further shaping the market landscape.

Research Institutes:

Research institutes play an essential role in the development and testing of rocket propellants, contributing to innovation and the advancement of propulsion technologies. These institutions conduct extensive research and experiments to explore new formulations and performance characteristics of propellants, aiming to improve efficiency and reduce environmental impact. Collaborations between research institutes and private companies or government agencies are increasingly common, facilitating knowledge transfer and technological advancements in the sector. As space exploration and scientific research continue to gain momentum, the need for reliable and innovative propellant solutions from research institutes is expected to grow, driving the market forward.

By Formulation

Monopropellant:

Monopropellants are a type of propellant that consist of a single chemical that decomposes exothermically to produce thrust. This formulation is typically characterized by its simplicity and ease of handling, making it suitable for various applications including spacecraft maneuvering and auxiliary propulsion systems. Monopropellants like hydrazine have been widely used due to their reliability; however, the industry's shift towards greener alternatives is driving research into more environmentally friendly monopropellant options. The relative ease of use and lower cost associated with monopropellants ensure their presence in the rocket propellant market, particularly in niche applications.

Bipropellant:

Bipropellants, comprising two components—fuel and oxidizer—are among the most commonly used formulations in modern rocketry. The ability to mix these components in varying ratios allows for fine-tuning of performance characteristics, making them essential for high-thrust applications, including launch vehicles and spacecraft. The development of advanced bipropellant systems, such as cryogenic fuels, has greatly improved efficiency and power, leading to their preference in major aerospace programs. The continued emphasis on performance optimization and the increasing range of bipropellant options available in the market contribute to the growth of this segment.

Tripropellant:

Tripropellant formulations are an emerging category in rocket propulsion, utilizing three different propellant components to maximize performance. This innovative approach allows for enhanced energy density and efficiency, resulting in improved thrust and reduced operational costs. While tripropellant systems are not yet mainstream, ongoing research and testing are paving the way for their adoption in advanced aerospace applications. As the demand for higher efficiency and lower emissions in rocketry increases, tripropellant solutions have the potential to play a significant role in the future of propulsion technologies.

Hypergolic Propellant:

Hypergolic propellants ignite spontaneously upon contact with each other, eliminating the need for an ignition system. This property makes them particularly advantageous for spacecraft and satellite applications, where reliability and quick response times are critical. Despite concerns regarding toxicity and environmental impact, hypergolic propellants such as hydrazine are widely utilized in both orbital and deep-space missions. The ongoing research to develop safer and greener alternatives is expected to influence the hypergolic propellant segment positively, offering solutions that maintain performance while reducing health and environmental risks.

Non-Hypergolic Propellant:

Non-hypergolic propellants are designed to ignite in the presence of an external ignition source, providing an alternative to hypergolic systems. This category includes various liquid and solid propellant formulations that are often viewed as safer due to their reduced toxicity. With ongoing technological advancements in non-hypergolic propellant development, including the exploration of less hazardous chemical combinations, this segment is gaining traction within the rocket propellant market. The continued emphasis on safety and environmental concerns will likely propel growth in the non-hypergolic propellant sector as space agencies and companies seek more sustainable options.

By Region

The North American rocket propellant market is the largest globally, accounting for approximately 40% of the market share. This dominance can be attributed to the presence of leading aerospace manufacturers, research institutions, and significant government investments in defense and space exploration initiatives. Furthermore, the increasing number of commercial space launches and satellite deployments in the region enhances the demand for advanced rocket propellant solutions. The U.S. government’s commitment to space exploration, exemplified by NASA’s Artemis program and the continued support for defense capabilities, ensures that North America will remain a key player in the rocket propellant market for years to come. The CAGR for this region is projected at around 5% during the forecast period, indicating sustained growth.

Europe is another prominent region in the rocket propellant market, capturing approximately 25% of the overall market share. The European Space Agency (ESA) plays a crucial role in fostering advancements in space technologies, including propellant innovations. Countries such as France and Germany are at the forefront of aerospace development, with numerous private companies emerging to contribute to the commercial space sector. The increasing focus on sustainable rocket solutions, alongside growing defense budgets in several European nations, enhances the demand for advanced propellant formulations in this region. The CAGR for Europe is forecasted to be around 4.5% as the region continues to strengthen its position in the global space industry.

Opportunities

The rocket propellant market is poised for numerous growth opportunities, particularly as the sector experiences rapid advancements in technology and a growing interest in sustainability. The surge in commercial space ventures, alongside government initiatives aimed at exploring lunar and Martian missions, creates a robust demand for innovative propellant solutions. Companies that focus on developing green propellants and enhancing propulsion efficiency stand to benefit immensely from these trends. Moreover, as space tourism gains traction, the need for safe, reliable, and cost-effective rocket systems amplifies the opportunities for growth in rocket propellant development. The collaborative efforts between public and private sectors aimed at fostering innovation in aerospace technologies also act as a catalyst, paving the way for new entrants and innovation in the rocket propellant market.

In addition to advancements in propellant formulations, there is a significant opportunity for international collaboration and partnerships within the rocket propellant market. As countries seek to enhance their space capabilities, establishing joint ventures and research initiatives can lead to shared knowledge and resources, fostering a more robust industry. Emerging markets, particularly in Asia Pacific and Latin America, present opportunities for growth as these regions develop their aerospace industries and seek to enhance their capabilities in satellite launches and space exploration. The increasing global focus on defense spending also offers avenues for growth, as military applications continue to drive demand for high-performance rocket propellants. Overall, the future of the rocket propellant market appears promising, underpinned by a plethora of opportunities across various segments.

Threats

Despite the promising outlook for the rocket propellant market, several threats could impede growth and pose challenges to industry players. One significant threat is the increasing regulatory scrutiny surrounding the environmental impact of traditional rocket propellants. Governments and international organizations are placing greater emphasis on reducing emissions and promoting sustainability, which may lead to stricter regulations on the use of certain chemical propellants. Companies that are slow to adapt to these changes may find themselves at a competitive disadvantage, facing potential fines and restrictions that could hinder their operations. Additionally, the high costs associated with research and development for new propellant technologies could strain smaller companies and limit their ability to compete effectively in the market.

Another notable threat is the potential for geopolitical tensions and instability, which can disrupt supply chains and impact the defense sector significantly. The reliance on specific geographic regions for propellant production can lead to vulnerabilities, especially in times of international conflict or economic downturns. Furthermore, the aerospace industry is susceptible to fluctuations in demand, tied closely to government funding and private investment, making it vulnerable to economic shifts. Lastly, the emergence of alternative propulsion technologies, such as electric and ion propulsion systems, poses a competitive threat to traditional rocket propellants, challenging manufacturers to innovate continuously and adapt to the evolving landscape.

Competitor Outlook

• Northrop Grumman Corporation
• SpaceX
• Blue Origin
• Aerojet Rocketdyne
• Virgin Galactic
• Lockheed Martin Corporation
• Boeing Company
• Reaction Engines Limited
• Elon Musk's SpaceX
• Orbital ATK
• NASA (National Aeronautics and Space Administration)
• Thales Group
• SAFRAN Group
• Rocket Lab USA Inc.
• United Launch Alliance (ULA)

The competitive landscape of the rocket propellant market is characterized by a mix of established aerospace giants and emerging startups focused on innovation and efficiency. Key players in the market, such as Northrop Grumman and SpaceX, leverage their extensive experience and technological advancements to maintain a competitive edge. These companies have been at the forefront of developing advanced propellant formulations and propulsion systems, capitalizing on the growing demand for reliable rocket launch services. The collaboration between government agencies and private companies also plays a pivotal role in enhancing competitive dynamics, as partnerships foster innovation and propel advancements in rocket technologies.

Furthermore, as new entrants and startups continue to emerge within the market, competition intensifies. Companies like Rocket Lab and Blue Origin are actively challenging established players by offering innovative solutions and cost-effective launch options. The rise of space tourism and the commercialization of space exploration are also encouraging new business models and creating additional opportunities for growth. As the market evolves, competition will likely focus on sustainability, with an increasing emphasis on developing eco-friendly propellant options that align with regulatory trends and market demands. This shift will require companies to invest in research and development to remain relevant amidst changing consumer preferences and technological advancements.

Among the major companies, Aerojet Rocketdyne stands out for its extensive portfolio in propulsion technologies, offering a range of rocket propellants for various applications. The company specializes in both solid and liquid propulsion systems, providing critical support for military and commercial rocket programs. Similarly, Lockheed Martin has established a strong presence in the aerospace sector through its advanced propulsion technologies, particularly in defense applications. The company is known for developing innovative solutions that enhance the performance and efficiency of missile systems. Overall, the competitive landscape of the rocket propellant market is dynamic, with companies continuously innovating and adapting to meet the evolving needs of the space and defense industries.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 SpaceX
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Blue Origin
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Orbital ATK
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 SAFRAN Group
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Thales Group
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Boeing Company
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Virgin Galactic
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Aerojet Rocketdyne
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Elon Musk's SpaceX
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Rocket Lab USA Inc.
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Reaction Engines Limited
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Lockheed Martin Corporation
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Northrop Grumman Corporation
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 United Launch Alliance (ULA)
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 NASA (National Aeronautics and Space Administration)
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Rocket Propellant Market, By Type
    • 6.1.1 Liquid Rocket Propellant
    • 6.1.2 Solid Rocket Propellant
    • 6.1.3 Hybrid Rocket Propellant
    • 6.1.4 Green Propellant
    • 6.1.5 Solar Propellant
  • 6.2 Rocket Propellant Market, By End User
    • 6.2.1 Government & Defense
    • 6.2.2 Commercial Aerospace
    • 6.2.3 Research Institutes
  • 6.3 Rocket Propellant Market, By Application
    • 6.3.1 Military Rockets
    • 6.3.2 Commercial Rockets
    • 6.3.3 Spacecraft
    • 6.3.4 Missiles
    • 6.3.5 Sounding Rockets
  • 6.4 Rocket Propellant Market, By Formulation
    • 6.4.1 Monopropellant
    • 6.4.2 Bipropellant
    • 6.4.3 Tripropellant
    • 6.4.4 Hypergolic Propellant
    • 6.4.5 Non-Hypergolic Propellant

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Rocket Propellant Market by Region
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Rocket Propellant market is categorized based on

By Type

• Liquid Rocket Propellant
• Solid Rocket Propellant
• Hybrid Rocket Propellant
• Green Propellant
• Solar Propellant

By Application

• Military Rockets
• Commercial Rockets
• Spacecraft
• Missiles
• Sounding Rockets

By End User

• Government & Defense
• Commercial Aerospace
• Research Institutes

By Formulation

• Monopropellant
• Bipropellant
• Tripropellant
• Hypergolic Propellant
• Non-Hypergolic Propellant

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Northrop Grumman Corporation
• SpaceX
• Blue Origin
• Aerojet Rocketdyne
• Virgin Galactic
• Lockheed Martin Corporation
• Boeing Company
• Reaction Engines Limited
• Elon Musk's SpaceX
• Orbital ATK
• NASA (National Aeronautics and Space Administration)
• Thales Group
• SAFRAN Group
• Rocket Lab USA Inc.
• United Launch Alliance (ULA)