Aragna Tech specializes in the design, manufacturing, and certification of composite pressure vessels (COPVs), helping companies reduce costs, meet international standards, and scale production globally.


Aragna Tech LLC is a U.S.-based engineering firm with deep expertise in the global composites industry. Our leadership—Shaun Hogan and Alexis Dubois, Ph.D.—brings over 50 years of combined experience in the design, testing, and commercialization of high-performance composite pressure vessels (COPVs) for hydrogen, CNG, LPG, SCBA, and oxygen applications.

Our team has hands-on experience with Type 2, Type 3, Type 4, and Type 5 composite cylinder technologies, including 35 MPa, 70 MPa, and 100 MPa hydrogen storage systems. We provide turnkey engineering services for factory launches, expansions, and equipment commissioning, with a strong track record in COPV manufacturing across North America, South America, Asia, and Europe.

Aragna Tech maintains trusted partnerships with world-class machine builders, materials suppliers, testing labs, and advanced composite manufacturers. Our team is multilingual—fluent in English, French, Mandarin, and Dutch—and specializes in managing complex, cross-cultural engineering and sourcing projects.

Contact Aragna Tech to discover how we can deliver tailored engineering and business solutions to your most challenging composite manufacturing needs.

Aragna Tech LLC

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Aragna Tech LLC

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