From the Sleeping Giants Twitter: @slpng_giants https://twitter.com/slpng_giants/status/1007377436521082880?s=19

Current known contractors:

MVM Inc.
Phone: (571) 223-4500
Twitter: @MVMINC

General Dynamics
"Ethics Helpline": 800-433-8442
Twitter: @GDMS

All the email addresses of the PR team of General Dynamics:
https://www.gd.com/contact/media