The Tradition Continues!! Big O’s Trailers, Inc. W10630 Hwy 33W Portage, WI  53901 608-742-2473 608-742-0699 (fax) Just off I-90-94 Exit 106 Hwy 33 West Sales & Parts Hours: Monday - Friday 8:00-5:00 Saturday 8:00-Noon Service Department Hours Monday - Friday 8:00-5:00 Our mission 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. Our parts department stocks a full line of trailer parts and accessories. Stocking over a 1,000 different parts we are your one stop trailer parts store. We carry everything from   u-bolts and lug nuts to axles and tires. We carry many brand name trailer products like Dexter, Tekonsha, Masterlock, Peterson, Bargman, Pingel, Curt, and many more. We stock a wide range of items for organizing your enclosed trailers from racks, wheel chocks, and E-track.  Stop in today and see our variety. We also ship parts. Our knowledge of trailer sales goes far beyond a typical sale, we service what we sell. We are very proud of our service department. We have two bays in our shop. We install trailer hitches, re-wire trailers, hook up wiring on vehicles, brake control installations, and much more.