From a review of US SEC filings and PEOPLE.DEFENSENEWS.COM, there are 10 US Defense Contractor Companies with Total Defense Revenues above $5 bil in annual 2020.
From Company Proxy Statements filed with the SEC, the below table shows the Median Total Employee Pay and Benefits of each of these 10 Largest US Defense Contractor Companies. The majority of these Companies have not yet filed their Annual Proxy Statements with the SEC related to annual 2021 Employee Compensation.