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.

Orlando Diefenderfer boasts a customer list that includes some of the area’s finest schools, residences, commercial, institutional and industrial complexes. Our in-house experts excel in all aspects of our core business and can assist you with all your projects from inception to design to installation.

Our convenient location and more than 200 motivated multi-disciplined technicians can provide the competitive electrical and telecommunications tools needed for your business to succeed.