An implantable control module for an electrical stimulation system includes a connector housing including a connector having one or more ports and connector contacts disposed within the connector； a metal electronics housing coupled to the connector housing； an electronic subassembly disposed within the metal electronics housing； and a feedthrough assembly disposed between the connector housing and the metal electronics housing and including at least one non-conductive block and conductive feedthroughs extending through the at least one non-conductive block and electrically coupling the electronic subassembly to the connector contacts. The metal electronics housing includes a metal sheet bent to form at least a portion of the first major surface and at least a portion of the second major surface. The first major surface has a length and includes a first sealed seam extending along an entirety of the length of the first major surface.
