My father has been working in the auto industry for 20 years. The industry is filled with many different companies that work in design, development and manufacturing of automobiles. 
That is cool.  What company does your father work for?
He works for Ford. The auto industry is one of the most lucrative industries in the world so there is so much opportunity for employment.
I know that is true.  Ford is a huge company in the auto industry as well.  How big of a company is Ford?
Automotive industry
The automotive industry comprises a wide range of companies and organizations involved in the design, development, manufacturing, marketing, and selling of motor vehicles. It is one of the world's largest economic sectors by revenue. The automotive industry does not include industries dedicated to the maintenance of automobiles following delivery to the end-user, such as automobile repair shops and motor fuel filling stations.
The word "automotive" comes from the Greek "autos" (self), and Latin "motivus" (of
only Detroit auto company he had not worked for was Ford.
Although he worked within tight budget restrictions at AMC, Teague sometimes referred to his times there as "Camelot". Designing several different cars from existing AMC stampings, he worked "relative miracles" compared to the spending norms in this industry. With little money to work with, he reconfigured the existing cars and parts in new ways. For example, he incorporated the doors from AMC's large-sized automobiles into his design for the new 1964 compact Rambler