Orlando Diefenderfer Electrical Contractors Inc operates in the Diversified Telecommunication Services industry completing electrical construction projects. Orlando Diefenderfer Electrical Contractors Inc is located in Allentown Pennsylvania United States and employs roughly 51-250 employees. Orlando Diefenderfer Electrical Contractors Inc is a private company with annual revenue of roughly $10M-$50M based on public data available for Orlando Diefenderfer Electrical Contractors Inc collected by ECDatabase.com. The company self-description is as follows: Diefenderfer Eletrical Contractors and Technology Solutions: 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 custo...