Hmm... my eyes went to the Lambo, as it's no longer a company, it's under the VW banner... all the others are...BUUUUUUUUUT, Cheverolet is under the GM banner too.. hmm....
Answer
Volkswagen.
All the other companies were named for their founders. Volkswagen literally translates as "people's car" in English. Henry Ford, Walter Percy Chrysler, Louis Chevrolet, Soichiro Honda, Ferruccio Lamborghini.