Marc d'Antonio use to work as a contractant for
Curtiss Wright Flow Control Corporation,
Northrop Grumman,
General Dynamics,
Nautilus Memorial Museum,
USS Connecticut (SSN22) Commissioning Committee,
Naval War College Museum,
Lockheed Martin,
Undersea Systems,
Space Systems,
Naval Surface Warfare Center,
Smithsonian Institution,
United States Navy,
GMD/Japan Research Laboratory Kitakyushu Japan,
NAVSEA (US NAVY),
US Congress..