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Chicago's Largest Privately Held Companies

ChicagoBusiness Insider

Crain's Chicago Business has been the leading source of news and insight on the city's economic scene for over 30 years.

Our exclusive ranking of the largest privately held companies in Chicago, based on revenue. 

Revenue (in millions)
  1. U.S. Food Service Inc. $18,961.0
  2. Reyes Holdings LLC. $11,750.0
  3. Topco Associates LLC. $10,700.0
  4. CDW Corp. $7,163.0
  5. OSI Corp. $4,800.0 *Crain's estimate
  6. EBY-Brown Co. $4,500.0
  7. Medline Industries Inc. $3,600.0
  8. Ace Hardware Corp. $3,500.0
  9. Walsh Group Ltd. $3,342.1
  10. Tribune Co. $3,103.3
For the full list, head on over to



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