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MDI welcomes your calls, emails, & visits.

Please contact us directly, based on your area of interest, or fill out the “Contact Us” form and MDI will contact you.  Thank you for your interest in MDI.

To see a list of MDI distributors please click here.

Corrugated Plastics and Services for Business

Mark Corbett

Mark Corbett

Sales Account Manager


Bob Green

Sales Account Manager


Barb Majerus

Vice President, Sales & Business Development



Melissa Dezelske

Business Development Specialist, USA & Minnesota

Jennifer Anderson

Jennifer Anderson

Customer Service Support

Open Position

Open Position

Customer Service

Employment (Work @ MDI)

contact-Ruth H

Ruth Hritzko

Human Resources

“I know there are a zillion things that people can do with your products…there will be others in this area interested in ordering from your company soon…you have helped greatly!”

MDI Corrugated Plastics Customer

“In the 37 years that I have worked at MDI there have been many changes. Production lines and the equipment used to support them have improved to produce a higher quality, more sophisticated product . Processes have become consistent and the environment that our employees work in has improved. The one thing that has remained constant is MDIs mission to provide meaningful employment for all of its’ employees. ”

Gary Flesland, MDI Plant Manager in Hibbing, 37 Years


Accreditations and Partnerships