Steelhead Composites | 3,119 followers on LinkedIn. Flight-proven COPVs powering the modern Aerospace & Defense ecosystem. Design, engineer, manufacture test and fly. | Steelhead Composites is a world-class advanced manufacturing company, based in Golden, Colorado (USA). Steelhead is dedicated to the design, engineering, manufacturing, testing and certificating of hydrogen storage systems. We also offer a full array of technical services in vessel design, metal spin forming, rotational molding, filament winding, prototyping and testing of hydrogen storage components and systems.