Hello! I am starting research for a book that will focus on Detroit-based potato-chip companies. I've got a pretty good list started...but it's not complete. What companies am I missing? Can you help me? Thank you in advance!

Here's what I have so far:

  1. Paradise Potato Chip Co.
  2. Superior Potato Chips
  3. Everkrisp Potato Chip Co.
  4. New Era Potato Chips
  5. Wolverine Potato Chips.
  6. Vita-Boy
  7. Heintz
  8. Charles Chips
  9. Paramount
  10. Krun-chee
  11. Mello Krisp
  12. Keuhmanns
  13. Twin Pines
  14. Famous Foods Inc.
  15. Mack’s
  16. Yankee Potato Chip
  17. Jane Parker
  18. Everlast
  19. Better Made