Abstract: Disclosed are transportable containers for mounting onto a rearward portion of the frame of a semi-truck comprising. The transportable containers may have a frame comprising: a first wall; a second wall opposing the first wall; two opposed lateral walls extending between the first side and the second side, at least one of the lateral walls comprising an opening formed therein; a top extending over the first wall, the second wall, and the two lateral walls; a second floor contained within an internal space of the frame, the second floor being controllably deployable between a lowered position and a raised position; and a loading ramp hingedly attached to a base of the at least one lateral side having the opening formed therein.