I39 SUPPLY

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I39 SUPPLY High Volume Trailer Dealership! With A Full Parts & Service Department. When we say, “we use what we sell”, we mean it. Cheers!
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Also Stocking Portable Buildings, Hunting Blinds, YETI Coolers, and Vortex Optics Gear… And Don’t Forget About Our All-In-One Vinyl Graphics Department! At I39 SUPPLY we pride ourselves on a diverse inventory of quality products, fair prices, and friendly staff. With more than 20 years combined knowledge of operating and hauling ATVs, snowmobiles, boats, and heavy equipment, we have a wide range of experience to share. Years of firsthand experience with trailers, skid steers, compact tractors, and their various components for work and recreation give us the ability to know what works, what lasts, and what you wouldn’t think twice about in the future. We welcome you to visit our operation so you can learn more about who we are and what we do. While you help yourself to a cold beverage or nachos, we’ll gladly share some of our experiences with you. I39 SUPPLY is your WEEKEND WARRIOR WAREHOUSE.

A look at a few of the things our graphics department has been cooking up lately. 👀🔥📱📨 Call or message Chris at 608-697-...
10/22/2026

A look at a few of the things our graphics department has been cooking up lately. 👀🔥

📱📨 Call or message Chris at 608-697-3935 or [email protected] for your next project!

You can also fill out a contact form to get a quote right from our website! 👇

👉 https://i39supply.com/i39-graphics

10/21/2026

Not deer camp. Deer camp BREAKFAST. 🦌🍳

The 10th annual Deer Camp Breakfast is Friday, Nov 20th, 6-10 AM at I39 SUPPLY Supply. Free breakfast, limited-edition 10th annual shirts, raffle prizes, b**r & beverages, and hunting and outdoor vendors.

A donation to Empowered Dream Hunts Inc. gets you in the door. They help military, police, and anyone who needs a hand getting out to enjoy the sport they love.

Grab your deer camp crew and kick off the season with us! 🧡

Another week, another round of pickups! Thanks to everyone who stopped by I39 Supply to pick up their new trailers. We a...
10/20/2026

Another week, another round of pickups! Thanks to everyone who stopped by I39 Supply to pick up their new trailers. We appreciate you choosing us and hope you enjoy the new rigs! 🤝

Three new Darkhorse Cargo trailers just arrived and this new color is FIRE. 🔥 Catch them before they’re gone!
10/19/2026

Three new Darkhorse Cargo trailers just arrived and this new color is FIRE. 🔥 Catch them before they’re gone!

10/17/2026

THANK YOU Markesan FFA Alumni for letting us help you with a new Exiss truck popper for kids to use through Markesan FFA!

10/16/2026

👻 Ghost hunters? Nope. Trailer hunters! We’re walking the lot at night to show you that you can browse our trailers anytime, day or night. No spooks or appointment needed, just a whole lot of trailers waiting for you. Look for the price on the tongue of each trailer. No surprises here! 🔦 Call or message us with questions and we’ll get back to you!

📞 (608) 742-6223
📍 N6100 Johnson Rd, Portage, WI 53901

Dam, we can do that? 😂🛠️We made these custom signs for a dam project! From vehicle graphics to custom signage, we can he...
10/15/2026

Dam, we can do that? 😂🛠️

We made these custom signs for a dam project! From vehicle graphics to custom signage, we can help bring your project to life.

📱📨 Call or message Chris at 608-697-3935 or [email protected] for your next project!

You can also fill out a contact form to get a quote right from our website! 👇

👉👉 https://i39supply.com/i39-graphics

10/15/2026

Don’t let the rain fool you, winter is right around the corner! ❄️ Snowmobile trailers? We got ’em! Come check out the lot at I39 and be ready when the snow flies. 🛷

Full inventory linked in the comments! 👇

Happy National Dessert Day! 🍰 At I39 Supply, you can have your cake and your trailer too. We even left a little treat on...
10/14/2026

Happy National Dessert Day! 🍰 At I39 Supply, you can have your cake and your trailer too. We even left a little treat on this Diamond C gooseneck. 🍫 With over 200 trailers on the lot, there’s something for everyone.

🚛 Browse our live inventory: https://i39supply.com/all-inventory

I39 Supply in Portage, WI has a great selection of dump trailers, tilt trailers, flatbed trailers, car hauler trailers, and roll off trailers for sale near Portage, WI.

Address

N6100 Johnson Road
Portage, WI
53901

Opening Hours

Monday 7:30am - 4:30pm
Tuesday 7:30am - 4:30pm
Wednesday 7:30am - 4:30pm
Thursday 7:30am - 4:30pm
Friday 7:30am - 4:30pm
Saturday 8am - 12pm

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