CW Keller & Associates is an engineering and fabrication collaborative that manufactures custom products for a diverse range of clients in the commercial, multi-unit residential, private residential, institutional and retail sectors.   Led since 1974 by founder Charles Keller, and now in conjunction with principal, Shawn Keller, CW Keller today operates with the combined energy of more than 45 talented managers, engineers and craftsmen. We tackle projects that defy explanation as well as those that define the relevance of design in our lives.