Serving the Lehigh Valley region since 1920, we've remained dedicated to maintaining our status as the area's most experienced electrical contractor and telecommunications resource. Our customer list includes some of the area's finest schools, residences, commercial, institutional, and industrial complexes. 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.

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.

Diefenderfer has been serving the electrical needs of our customers for almost a century. We continue to work for small local businesses as well as the region's largest institutions. In many instances, we have been with customers from their beginning and have served them through tremendous growth periods. Our experience allows us to bring state-of-the-art ideas and installations to all our customers, ensuring a high-quality, cost-efficient job. Design Build Services: Our in house design team uses proven cost efficient methods, eliminating the need to compromise your design because of overdesign and budget restraints.

Diefenderfer has been maintaining electric systems for our customers for over 90 years. We have procedures in place to respond to your emergency call IMMEDIATELY, and dispatch the proper crew as fast as possible. Because or our vast experiences, we are confident that we are prepared to handle any emergency you may have, from minor problems to major disasters. We stock important equipment and materials at our local, 40,000 square foot warehouse to service all problems promptly. We can dispatch any number of assitional men from our 150 man workforce to assist in your meeded repair at any time.

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