(lb) for the planefags re: Keystone Aerial Surveys. Found this regarding their business: https://www.bloomberg.com/research/stocks/private/snapshot.asp?privcapId=131258595 and then these reviews from employees: https://www.glassdoor.com/Reviews/Keystone-Aerial-Surveys-Reviews-E1360466.htm

I need to look into their now parent company Pasco Corporation