Our Story

Back in 1930, Calumet Carton was created as a small, family owned manufacturer of folding cartons and mailers to Chicago area companies. 80 years and four generations later, Calumet Carton is still owned by the Inwood family, but has grown into the leading producer of mailers and packaging products across the country.

COMPANY HIGHLIGHTS:

  • Inventor of the Stayflats® rigid mailing envelopes


  • Pioneered Stayflats Plus® pressure sensitive closer technology


  • Developed revolutionary printing techniques for small flute corrugated packaging. The Micro-Corr™ process combines the brilliant print quality of offset lithography with the strength of corrugated.


  • Launched a line of specialty mailers for the computer software industry


  • Designed a line of “Back-to-Basics” mailers and folding cartons, featuring 100% Recycled Brown Kraft paperboard


  • Consistent investment in the latest technology and capital equipment to improve quality and productivity.

Pictured Above: Al Inwood, John Inwood
and Gina Inwood, 5th Generation