Our History

Panel Processing was founded in 1971 by R. M. "Bob" Granum. From a small plant in Alpena, Michigan, we have grown to be the largest panel fabricator in North America. With a continued dedication to serving our customers, we have grown to over eleven manufacturing plants in six states. Every order is custom made. We have developed unequaled experience in fabricating, painting, printing and laminating to serve our customer's growing needs.


  • 1971 Panel Processing, Inc. was founded by Robert Granum in Alpena, Michgan
  • 1975 PPI purchased a hardboard finishing plant in Jacksonville, Texas
  • 1978 PPI built a 42,000 square foot facility in Coldwater, Michigan
  • 1997 PPI puchased an additional site in Coldwater, Michigan
  • 1999 the Alpena plant was expanded by 66,000 square feet and an additional paint line
  • 1999 PPI became 100% employee owned
  • 2002 the Coldwater plant was expanded by 30,000 square feet
  • 2004 PPI purchased  the business operations of Alabama Inter-Forest Corporation in Eufaula, Alabama
  • 2004 PPI became 100% owned by the ESOP
  • 2005 certain assests of AFCO Industries Inc. in Holland, Michigan were purchased
  • 2006 PPI completed an expansion to the Alabama plant that is currently 243,000 square feet
  • 2012 PPI purchased the assets of Modular Wood System based in Claudville, VA
  • 2014 Panel Processing maintains surplus capacity to meet the unexpected requirements from customers
  • 2014 Panel Processing purchases the assets of Thermo Pressed Laminates in Klamath Falls, OR
  • 2016 Panel Processing purchases certain assets of the National Display Group in Pennsauken Township, New Jersey.
  • 2016 Panel Processing extends its capabilities in the west by purchasing assets of Down River, LLC in Klamath Falls, Oregon.  The company now is located in six states and has over 11 facilities.

Panel Processing, Inc. is an employee owned (ESOP) company. Every one of our employee owners is dedicated to your success. Your best guarantee is people who passionately care about your business and the promise of quality and service that are unmatched in the industry.