3 Industrial Park
P.O. Box 1470 
Johnstown, CO 80534 
Phone: (970) 587-2746 
Fax:(970) 587-0985 

Featured Products

Polyethylene Encasement

Designed for Corrosion protection for Ductile Iron Pipe

Bulk Potato Shipping Bags

Shipping Bags Shipping bags for produce including Potatoes and Carrots.

Irrigation tubing

Designed for row and field crops ranging from alfalfa to sugar beets.

© 2018 by Mountain States Plastics

About Us

Mountain States Plastics is a custom blown film manufacturer specializing in Monolayer Polyethylene Bags, Sheeting and Tubing for agricultural and industrial applications. Founded in 1976 by Henry Gagnon, Mountain States Plastics is still owned and operated by the same family. We pride ourselves on our quality, service and an honest approach to the manufacturing and sales of our products. We do our best to make sure you receive the first class products and service that you deserve.