Shaffer DeSouza Brown, Inc. We solve sound and light problems. Welcome Our Story  founded in 1929, Shaffer DeSouza Brown, Inc. has evolved from a wallcovering contractor to a full interiors company. We specialize in fabric sound panels and commercial window treatments. ©2011   Made with Xara Shaffer DeSouza Brown, Inc. , 17 Mifflin Avenue, Havertown, PA 19083 ph (610) 449-6400 fax (610) 789-8450  rbrown@sdbinc.com