Profile: Minnesota Diversified Industries is engaged in plastic manufacturing, packaging and assembly. We produce plastic tree guards, sheets, rolls and custom products. Our services include kitting, collating, labeling, sorting, re-packaging, shrink wrapping, skin packaging, RF sealing, stretch packaging and bundle wrapping. Our corrugated plastic is utilized throughout a variety of industries as a proven effective substitute for paper, cardboard and wood products. We are accredited with ISO 9001:2000 certification. Our brands include US Postal Service Totes™, Caldrea™ and 3M Filters™.