A flat top trailer is one that is enclosed and used for various utilities. This non-powered trailer is carted along by a truck or car, and protects its contents from possible theft and the elements. It can be for construction purposes and even office set-ups, with facilities for electricity and a phone connection. Other simpler models are more versatile.

Bigger flat top trailers possess rear and side gates to allow better access. With a trailer hitch, they’re connected to the power vehicle a...