Top Solid Rocket Motor Companies Advancing Aerospace and Defense Propulsion

Solid rocket motors are known for their high thrust, simplicity and long-term capabilities. They are used in missile systems, defense as well as space launch boosters. They have also become a significant propulsion method due to their consistent ignition within a compact structure. Contrasting to liquid propulsion systems, solid motors store both fuel and oxidizer in a single solid propellant grain, enabling immediate thrust generation once ignition occurs. This design created dependable propulsion for missiles, tactical defense systems and launch vehicles.

Advancements in materials and propellant chemistry during the mid and late 20^th century further advanced the performance of solid rocket motors. Present technological development focuses on lightweight composite casings, advanced propellant formulations, and enhanced nozzle designs that improve propulsion efficiency. These developments replicate the continuing evolution of solid rocket motor technology, aiding modern defense systems, aerospace missions, and future space exploration efforts.

Fortune Business Insights reported that the market for solid rocket motor is witnessing a growth with a CAGR of 8.2%, reaching a revenue share of USD 6.35 billion in 2025, while 2034 value is predicted to be USD 12.99 billion.

List of Top 10 Solid Rocket Motor Producers Reported by Fortune Business Insights:

1. Northrop Grumman Corp

Northrop Grumman Corporation, headquartered in the U.S., designs and manufactures advanced products for strategic and tactical missile systems. The company focuses on reliable propulsion solutions that support national security missions and complex aerospace operations. Its portfolio includes large and medium-class propulsion systems used in space launch vehicles and defense programs. In December 2025, the company conducted a static fire test of its prototype Mk 72 SRM at its Elkton, Md. facility.

2. Nammo AS

Headquartered in Norway, Nammo AS manufactures solutions tailored for defense and space applications. Its offerings comprise of tactical propulsion systems and booster motors designed for stable thrust and controlled performance. The company integrates advanced propellant formulations and lightweight motor casings. In May 2024, the company collaborated with Raytheon to increase rocket motor production in Perry, Florida.

3. L3Harris Technologies Inc.

L3Harris Technologies Inc. is one of the top 10 solid rocket motor companies, developing solutions for missile and defense platforms. The company is headquartered in the U.S. and emphasizes precision manufacturing and high-performance propellant technologies. It also supports tactical and strategic programs with products designed to perform consistently in demanding operational conditions. In January 2026, the company announced a USD 1 billion Department of War investment in its missile solutions business via convertible preferred security. This would help in accelerating the company’s research and development as well as increasing production capacity for core security technologies.

4. Anduril

Anduril, headquartered in the U.S., delivers different products within its autonomous defense systems portfolio. The company focuses on compact propulsion units suited for tactical missile platforms and high-speed applications. Its motors are designed for rapid deployment and stable thrust characteristics. It integrates modern manufacturing methods to deliver responsive propulsion technologies aligned with evolving defense requirements. In February 2025, Anduril secured a USD 14.3 million contract from the U.S. Department of Defense to expand its SRM production.

5. China Aerospace Science and Technology Corporation

China Aerospace Science and Technology Corporation, headquartered in China, manufactures components for ballistic missiles and space launch systems. Its propulsion solutions range from small tactical motors to large booster stages. The company supports national aerospace initiatives with products that enable reliable launch and defense capabilities.

6. IHI Corporation

IHI Corporation, headquartered in Japan, offers products designed for space exploration and defense programs. Its propulsion systems incorporate advanced propellant chemistry and high-strength casings for controlled burn efficiency. The company supports launch vehicle boosters and missile platforms requiring stable thrust performance. It also emphasizes precision engineering and dependable operation within demanding aerospace missions.

7. Rafael Advanced Defense Systems Ltd

Headquartered in Israel, Rafael Advanced Defense Systems Ltd. develops products for tactical missile systems and air defense platforms. The company’s propulsion units are designed for quick ignition, sustained thrust, and reliable flight stability. Rafael integrates advanced materials and propellant technologies to enhance performance. The company’s offerings contribute to modern defense systems requiring responsive and accurate propulsion.

8. Avio S.p.A.

Avio S.p.A., headquartered in Italy, specializes in product offerings for space launch vehicles and missile systems. Its portfolio includes large booster stages and upper-stage propulsion units engineered for efficient thrust and structural resilience. It focuses on advanced composite casings and precise propellant casting techniques. The company’s products support European space missions and defense propulsion programs. In July 2024, the company signed a contract with Raytheon, to improve development of critical solid rocket motors for U.S. government and allied defense applications.

9. Bayern-Chemie

Headquartered in Germany, Bayern-Chemie GmbH provides products primarily for missile propulsion applications. Its systems are engineered for consistent thrust, compact integration, and controlled burn profiles. The company utilizes advanced energetic materials and lightweight motor housings. It also focuses on defense platforms with products designed for high reliability and mission-focused performance.

10. Ursa Major

Headquartered in the U.S., Ursa Major Technologies develops advanced solutions for defense and space initiatives. Its propulsion solutions emphasize scalable design, efficient thrust generation, and rapid manufacturing processes. The company integrates modern materials and testing methods to ensure dependable performance.

Influence of Additive Manufacturing and Digital Modeling Tools Across Solid Rocket Motor Industry

Emerging manufacturing technologies may further reshape the design and production of solid rocket motors. Additive manufacturing and digital modeling tools can allow engineers to create complex internal propellant structures that optimize thrust patterns and combustion flow. These innovations may support more precise propulsion control in future aerospace missions. As space exploration expands and defense systems continue to modernize, these products will remain a key part of propulsion engineering. Their ongoing evolution reflects a future driven by stronger materials, smarter design methods, and reliable propulsion systems capable of supporting the next generation of aerospace and defense technology.