Aerospace • Space • Defense
Flight-Proven Composite Pressure Vessels for the Next Generation of Aerospace Systems
Whether you are developing spacecraft, launch vehicles, tactical defense systems, aircraft life-support equipment, or autonomous platforms, Steelhead delivers lightweight composite pressure vessels engineered for demanding aerospace applications.
Our American-made manufacturing, advanced composite engineering, rapid prototyping, and scalable production capabilities help aerospace and defense programs move from concept to qualification faster.

Space & Satellite Systems
Lightweight propulsion tanks, pressurant vessels, and spacecraft gas-storage solutions for commercial, civil, and defense space missions.

Defense & Missile Systems
Composite pressure vessels and rocket motor casings engineered for launch systems, interceptor programs, tactical missiles, and next-generation defense platforms.

Aviation Life Support
Aircraft oxygen cylinders, emergency breathing systems, fire suppression bottles, and high-performance gas storage for military and commercial aviation.

Rapid Development & Qualification
Prototype through production with in-house engineering, filament winding, machining, testing, qualification support, and scalable manufacturing.
Built for Programs Where Failure Isn’t an Option
- AS9100/ISO9001 Quality Management
- Lightweight Composite Expertise
- Rapid Prototype to Production
- Pressure Vessel Design & Analysis
- Qualification & Test Support
- U.S. Manufacturing
- Flight-Critical Applications
- Engineering Collaboration

From Concept to Flight
Bringing Aerospace Programs from Concept to Flight
Steelhead partners with aerospace, defense, and space organizations throughout the United States and Canada to design, manufacture, qualify, and deliver lightweight composite pressure vessels that reduce weight while maximizing performance and reliability.
Whether your program requires a flight-qualified pressure vessel, composite rocket motor casing, aircraft oxygen cylinder, or a custom-engineered gas-storage solution, our engineering team is ready to help.
One Engineering Platform. Multiple Industries.
Engineering Across Industries
The same advanced engineering, composite manufacturing, testing, and rigorous quality systems trusted by aerospace and defense programs also power Steelhead solutions for energy, transportation, hydrogen, and industrial gas-storage applications.
- Aerospace & Defense
- Transportation
- Hydrogen
- CNG
- Industrial Gas Storage
Commercial Pressure Vessels
Explore Our Commercial Pressure Vessel Solutions
From compact Type III COPVs to large gas-storage platforms, CNG cylinders, bulk storage systems and hydraulic accumulators, Steelhead engineers pressure-vessel solutions around demanding applications.
Nomad Series
Compact Type III COPVs for mobile, marine, portable and space-constrained gas-storage systems where weight and packaging matter.
Atlas Series
All-metal Type I pressure vessels for hydrogen buffering, gas accumulation and industrial storage applications.
Reliance Series
Large Type III composite pressure vessels for mobile gas transport, ground storage, life-support, industrial and mission-critical systems.
CNG Cylinders
Lightweight high-pressure CNG cylinders engineered for commercial vehicles, fleets and transportation applications.
Bulk Gas Storage
High-capacity storage solutions for hydrogen, CNG and industrial gases, including cascade and stationary infrastructure systems.
Hydraulic Accumulators
Lightweight bladder accumulator platforms for mobile, industrial and weight-sensitive hydraulic systems from 300 to 6,000 PSI.
Commercial Pressure Vessel Availability
Check Availability.
Inquire Instantly.
Need pressure vessels for an active project? Share your pressure, volume, gas, quantity and delivery requirements and connect directly with the Steelhead team.
News
Steelhead Composites: Comprehensive Composite Manufacturing and Engineering Services
Discover our full spectrum of services designed to support your project from concept to completion.
Steelhead Composites offers advanced composite manufacturing, precision testing, metal spin forming, custom design and engineering, and expert machining. Whether you need lightweight composite pressure vessels or specialized component fabrication, our team delivers the technical expertise and innovative solutions to meet your goals.
Steelhead is a leading company in the design, manufacture, and testing of pressure vessels — especially composite pressure vessels. We were the first and only company to recognize the need for "lightweighting" in hydraulics and gas storage.

