Orlando Diefenderfer Electrical Contractors, Inc. has been serving the Lehigh Valley region since 1920. With annual revenue averaging approximately $50 million, we remain the area's most experienced electrical contractor. We have completed some of the region's most sophisticated projects in all phases of our industry utilizing up to 425 men in the field. Orlando Diefenderfer Electric has continued in the tradition of it's founder, Mr. Diefenderfer, as we are committed to and support the entire Allentown, Bethlehem and Easton communities.
