Confused???

Another jewel courtesy of H.
Confused
I became confused when I heard the word "Service" used with these agencies:
Internal Revenue 'Service'
U.S. Postal 'Service'
Telephone 'Service'
Cable TV 'Service'
Confused
I became confused when I heard the word "Service" used with these agencies:
Internal Revenue 'Service'
U.S. Postal 'Service'
Telephone 'Service'
Cable TV 'Service'