250+ Trailers In Stock At All Times

Trailers, Parts, Service, Rentals, & More

From YETI Coolers To Hunting Blinds To 29' Snowmobile Trailers.. We Got It

Trailers, Service, Free Popcorn, & Bad Jokes

Our Standard Is Everyone Else's Upgrade

Only 30 Minutes North of Madison, Exit 85, Off I-39

Livestock, Horse, & Show


Frontier Trailers have landed at I39 Supply! The inventory will continue to grow and custom orders are welcome.

To speak directly to Tim, our livestock trailer expert, please call 608-692-0996.

Interested in finance options? We're working with FLCC and Trailer Solutions Financial to assist our customers with financing their brand new purchase from Frontier Trailers.

Please click here to learn more about FLCC!

Please click here to learn more about TSF!

Click The FLCC Credit Application

To Download & Complete!

Please Contact Us With Any Questions.

Our Lineup of 250+ Trailers

Dump TrailersView
Snowmobile TrailersView
Enclosed TrailersView
Utility TrailersView
Equipment TrailersView



Come See Us Just North of Madison!

I39 Supply trailer sales, rental and trailer repair is in central Wisconsin. Our convenient location is near Cascade Mountain on Interstate 39. Exit 85.  We stock over 250 trailers at all times. Our trailer purchasing power provides value to customers because we can special order trailers with a quick turnaround time and low cost. Our helpful team can’t be beat so call us today! Call us at (608) 742-6223

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