They were marketed mostly by GE, Philips and Sylvania.
GE doesn't pay taxes, and Sylvania is really Osram Sylvania and that's part of Siemens. Then, there's Philips ~ one of those Anglo-Dutch things.
When it comes to lightbulb advertisements they show their Chinese bulbs.
The used to show their Chinese bulbs too.
I hope you didn't imagine there were American made incandescent lightbulbs.