Not going to lie, more shocked google wasn’t on the list of companies.
There are currently over 22 million people who worked for the US government. This including federal, state, and local (but excludes military). Here is a list of companies whose combined employee count reaches just over 10 million - less than half of this number.
Walmart
Amazon
Home Depot
Target
Kroger
Berkshire Hathaway
FedEx
JPMorgan Chase
IBM
Wells Fargo
Microsoft
CVS Health
Bank of America
Walgreens Boots Alliance
Comcast
Raytheon Technologies
General Electric
General Motors
Oracle
Apple
Boeing
AT&T
Johnson & Johnson
Tesla
Intel
Lockheed Martin
Verizon
Procter & Gamble
General Dynamics
Northrop Grumman
Pfizer
Coca-Cola
American Express
Merck
HP
Goldman Sachs
McKesson
Chevron
Uber
Netflix
eBay
Airbnb
Lyft
Morgan Stanley
Sources:
https://www.statista.com/statistics/204535/number-of-governmental-employees-in-the-us/
https://companiesmarketcap.com/largest-companies-by-number-of-employees/
Discussion
I had ChatGPT filter out foreign companies from the list and it looks like instead it created a whitelist that included Google instead of Alphabet. The numbers are still correct but it likely left out some other well-known companies.