Big Os Trailers, Inc was started in 1985 by Orland & Joanne Breunig. Since then we have expanded and moved to a larger location 3 miles west of Portage on Hwy 33. Just off interstate I 90-94. You cant miss us. We stock approximately 400 trailers. Our wide variety of trailers help make your trailer shopping experience a little easier, seeing the different styles, options, and models available.Is to provide each customer with the knowledge essential in choosing a trailer to fit their needs. After the sale we are available to answer questions and provide the parts and service you will need to maintain your trailer.