[som trailers | twister | bloomer | 4star | custom trail boss Located in Pevely, Missouri – SOM Trailers features custom living quarter horse trailers, bumper pull, gooseneck and stock trailers by Twister Trailer & Shadow Trailer. We also specialize in refurbishing high end used living quarter trailers by the top manufactures in the industry. Twister Trailers built in Fort Scott, KS and continue to create the premier trailers in the industry. Constructed only from the highest quality materials, and custom made components, it is no surprise why Twister is the most reliable trailer on the market today. We are the only dealer in the country where you will find the combined quality of a Twister Trailer with a Trail Boss Conversion. Shadow Trailers are built in Williston, Florida – feature all aluminum frames, quality construction at affordable prices and produce quality living quarter conversions under one roof, with one warranty.]