Exterior Signage Airstream is an American brand of travel trailers which are easily recognized by the distinctive shape of their rounded and polished aluminum coachwork, and made to be passed from generation to generation. Airstream, Jackson Center, Ohio: Description: Identity Signage for the Airstream campus. Main Sign: Aluminum cabinet with Internally LED lit dimensional push-through lettering Directional Sign: Aluminum cabinet with changeable panels and  vinyl lettering