The database PrivCo provides info on private companies, private market deals, venture capital funding and private investors. PrivCo recently released the PrivCo 100 rankings, which ranks the top 100 companies in the U.S. based on 2013 revenue.
Four companies headquartered in Michigan made the list:
17. Penske Corp: Bloomfield Hills, MI
26. Meijer: Grand Rapids, MI
41. Alticor, Inc.: Ada, MI
53. Gordon Food Service: Grand Rapids, MI
For more information on these companies or the rest included on the list, go to PrivCo.