The Strykers – $35B
The Stryker family has been here since 1941, which means it has dominated the medical technology field in the country for about a half-century now. Homer Stryker is an inventor who came up with new kinds of medical equipment, though none is better known than his mobile hospital bed invention. Eventually, he passed the figurative baton to his son Lee, though he died in a plane crash not long after. Lee had three kids: Jon, Patricia, and Ronda. They took over the family business after he passed away. The Strykers have earned a reputation for supporting socially liberal causes as well as the Democrat party. They also started the Arcus Foundation and the Bohemian Foundation, which advocates for LGBTQ rights and promotes arts and culture respectively.

The Strykers – $35B