Vis' post may not have been perfectly reflective of the status of the various relationships that Sigma has.... but in my opinion his overarching point comes closer to accuracy than your response.
We have contracts with the US Navy and the USAF, DARPA, NIST, EWI, Aerojet rocketdyne, Honeywell, Siemens, Woodward, EOS, Additive industries, Trumpf...
Which one of these doesn't fit either a part of the DoD or a major AM company....I'll wait...