Manufacturing and Converting Chipboard Products for Over 40 Years

Die Cutting and Paper Trimming Services

Trim-Pac has been manufacturing and converting chipboard products in Three Rivers, Michigan since 1981. Specializing in die cutting and paper trimming services, Trim-Pac serves customers all over the United States. Our customers include plastic and aluminum fabricators, rubber manufacturers, corrugated converters, food and beverage companies, and many more.

Trim-Pac has purchased and built specialized equipment to create custom products to meet our customer’s specific needs. Let us use our extensive knowledge to assist your company  to find which products work best for your specific application.

Please take the time to look at the pictures we have on our website and 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.


Trim-Pac offers a number of products and services to help us better serve our customers. With custom die cut capabilities, paper trimming, in-house design, and stock packaging, there are endless options for packaging solutions to meet your specific needs. See below if one of our products or services would be the right fit for your company.


With our specialized die cutting capabilities we are able to serve many different industries throughout the United States.
Some of the industries include:



Food & Beverage





Picture Frames

Aluminum & Steel


Loose-leaf Binders


Contact us to see if your company might benefit by us designing a specialty product for your needs.