Babcock 

Department of National Defense Canada (DRDC)

Italian Navy

French Navy

Phoenix International

Republic of Korea Navy

Republic of Singapore Navy

Royal Australian Navy

Royal Canadian Navy

Russian Navy

Turkish Navy   

U.S. Navy Undersea Rescue Command

U.S. Naval Undersea Warfare Center (NUWC)

U.S. Naval Facilities Engineering Command (NAVFAC)

U.S. Naval Sea Systems Command (NAVSEA)