Established in 1966, Jahn & Sons Inc. is a full-service commercial subcontracting firm. It specializes in drywall, metal stud framing, taping, finishing and plastering. Based in Cedarburg, Wis., the company offers a wide range of services, such as light gauge framing, drywall, lathing, plastering and decorative plasters. Jahn & Sons Inc. has worked on several projects, such as GE Medical, Miller Park, Children s Hospital and UW-Parkside. The company has association with Southeastern Wisconsin Drywall & Plastering Contractors Association (SWDPCA), Associated General Contractors of Greater Milwaukee (AGC-Greater Milwaukee) Association of The Wall and Ceiling Industry (AWCI).