I-39 SUPPLY is a trailer dealership located just off I-39 south of Portage, WI. They stock over 250 trailers, including utility, enclosed, equipment, dump, and snowmobile trailers, available for both purchase and daily or weekly rental. Their full-service facility handles trailer repair, vehicle hitch installation, and parts, supported by a large inventory. The staff is consistently described as knowledgeable, straightforward, helpful, easy to work with, fast, professional, and polite. Customers highlight great experiences, simple processes, fair pricing for quality trailers, and some of the best customer service, making the business highly recommended. They also sell products from brands like YETI Coolers and Vortex Optics.
Ask for Alex, simple, honest, and quick! Made getting our dump and enclosed trailer simple!
August 2026
Bought a trailer from here some years back. Good experience, quick and hassle-free. Needed new lights. Showed them a pic of it. They had it in stock, so it was a very easy purchase.
August 2026
John was easy to work with. Very responsive with communication. I am very happy with my trailer so far. Definitely recommend them.
