If you lived overseas, in Europe or the U.K., you'd be as familiar or even more familiar with brands such as Dawes, Canyon, Focus, Ribble, B'Twin, Moda, Sensa...
If you lived in Canada, you'd be familiar with Rocky Mountain, Norco, Opus, DeVinci, Cervelo...
You're most familiar with the brands you mentioned because you live in the U.S.A. Yes, those brands are sold all over the world, but they aren't always the dominant brands in other countries.