Precision Machining Built for Mission-Critical Performance

With over 60 years of expertise, Greno Industries is a certified leader in producing high-quality military parts for the U.S. armed forces and their prime vendors. Certified under MIL-Q-9858 for military parts quality and ISO standards for global recognition, Greno is equipped to bid and supply parts through the TACOM procurement network, serving key arsenals across the country, including Warren, MI, and Watervliet, NY.

Greno stands out in the industry as a Woman-Owned Small Business with WBENC Accreditation, AS9100:2016 Certification, ISO 9000:2015 Certification, ITAR Registration, and NIST SP 800-171 Compliance. Our long-standing commitment to quality, combined with full kitting and shipping facilities, has solidified our position as a trusted supplier to both the military and Tier-One contractors.

A prime example of Greno’s innovation is the GIS Valve—a high-pressure, high-temperature safety valve developed for the U.S. Navy. Over a decade, this valve was retrofitted on every non-nuclear surface ship, enhancing both performance and reliability. Today, Greno continues to service these valves, demonstrating our dedication to maintaining the operational readiness of U.S. naval and military assets.