Lockheed is a small player in Seattle, but their are a big player in other cities. They focus on advanced Combat aircraft, with a sister interest in public aircraft. Like many companies they offer Matrix security as well as physical security. In Seattle they own a 4 floors in a massive skyscraper in the posh downtown area. They also manage a staff of about 200 people. 25 are considered to ‘security personnel’.

http://shadowrun.wikia.com/wiki/Lockheed