| Company | Type | Founded |
|---|---|---|
| Ally Financial | bank, business, enterprise, credit institution, public company | 1919 |
| Buick | car brand, division, automobile manufacturer, public company | December 1899 |
| DeLorean Motor Company | automobile manufacturer | October 24, 1975 |
| Detroit Diesel | automobile manufacturer | 1938 |
| Gale | publishing house | 1954 |
| Henry Ford Company | business, automobile manufacturer | 1901 |
| Kmart | department store chain, discount store, business, enterprise, public company | 1962 |
| LaSalle | automobile manufacturer | 1927 |
| Little Caesars | fast food restaurant chain, pizzeria chain | May 8, 1959 |