Something about the group that certifies Dominion Voting Systems' machines was buggin' me, so I went back to CM's tweet and SLI Compliance for another look. Had missed this little nugget on their 'about us' page. Their parent company is GLI, LLC. Poked around a little bit and it looks like this certification company's parent is Gaming Laboratories International.
There is no "about us" page so have no clue about the leadership and haven't gone any further than this, but wanted to get it out here in case others are interested in a digg. Dropped SLI into USAspending.gov and yes, Gaming International is the parent company of the group that certifies voting equipment.
https://slicompliance.com/about-us/
https://archive.vn/7GZiK
https://www.usaspending.gov/award/CONT_AWD_HHSP233201550050A_7555_-NONE-_-NONE-