Trim-Pac has been manufacturing and converting paper products in Three Rivers, Michigan since 1981. Specializing in die cutting and paper trimming services, Trim-Pac serves customers all over the United States, in industries ranging from RV & automotive to the military. Trim-Pac has purchased and built specialized machinery to create products to meet our customers specific needs. Let us assist your company with our knowledge to find which products work best for your application. Please take the time to look at the pictures we have on our website. You will see a variety of custom designs used in packaging and production. Our new items include cell partitions in corrugated, poly chipboard, and plain chipboard.