1. Mattel (Segundo, CA, 1965)
One of Mattel’s biggest triumphs was Barbie. Though first conceived by Ruth Handler, it was Charlotte Johnson, pictured below, who designed the doll’s outfits.
2. Microsoft (Albuquerque, NM, 1978)
Now that’s a lot of hair! Childhood friends Bill Gates and Paul Allen founded this computer company in 1975. By 1987, Gates was a billionaire.