Trailer Sales & Service:
It's what we do BEST!

At Mulligan's, it is important we understand your trailer needs and you understand the trailer most suitable to meet those needs. This is why we offer the "best valued" trailer in the industry.

With over 100 trailers in stock and truckloads coming in every week, Mulligan Trailer Sales has a wide variety of trailers to choose from as well as providing you a Full Service Department, Parts & Accessories, Custom Trailers and Options, Rentals, RV PARTS & ACCESSORIES, Tires & Vehicle Accessories.

Whether you're a landscaper, contractor, farmer, power sports junkie, automotive or motorcycle enthusiast, Mulligan Trailer Sales has a trailer suitable to meet your personal and professional needs.

Come and see why Mulligan Trailer Sales is the best place to buy your trailer.

We are an H&H, Mulligan Performance, Interstate, Carry-On Trailer,  WellsCargo & PJ Trailer Authorized Dealer

Mulligan Trailer Sales is excited to present to you their extensive line of Trailers. Engineered with the fines craftsmanship, these trailers are the most reliable and durable, top quality trailers available on the market.

There are over 200 models available with more then 500 options.

Amongst the innovations created by our manufacturers, come the industry's leading warranties and more.


To view more models and options please visit our online inventory section for "The World's Best Trailer Value" or visit our manufacturers sites: - -  

Now with 2 locations to better serve you!


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Fell free to contact us at any time or stop by either of our locations:

Trailer Sales
of Gillette

3800 Wigwam Ave
Gillette, WY 82718
(307) 682-0025
Toll Free: 866-682-0025


Trailer Sales
of the Black Hills

3125 E Colorado Blvd
Spearfish, SD 57783
(605) 722-8828
Toll Free: 866-722-8828

Or, email us at any time: