Our expert team of technicians and engineers maintains some of the largest corporate electrical systems in the region. We compete in all aspects of this work, including time and material, public work, design/build, guaranteed maximum price and plan-spec bidding. Diefenderfer has experience in all electrical contracting disciplines, from simple renovations to major expansions, including: Overhead and underground distribution systems, Back-up power generators, Life safety equipment , Maintenance testing equipment, Design and installation of new systems and upgrades . We offer the latest in industrial and control technology employing fiber optics, video and microprocessors Services extend from concept to design, installation, and service support for maintenance and emergencies. In-house experts excel in all aspects of our core business and can assist with all of your projects and inquiries. From small convenience stores and simple office renovations to major hospital expansions and office complexes, our experience is derived from the thousands of jobs we have completed. We compete in all aspects of this work including time and material, public works, design/build, guaranteed maximum price and plan-spec bidding: Visit our website to see our notable Institutional & Commercial Wiring Projects. Orlando Diefenderfer has more experience working with high voltage than any other local contractor. Our company has over 70 years of experience working in the high voltage power distribution field, working with voltage of up to 138 KV. Our highly trained and experienced personnel can save our customers from costly shutdowns on both their overhead and underground distribution systems. We stock emergency repair equipment and have a good relationship with all local power companies, assuring you the fastest possible emergency repair available. We work with Data Centers and Specialty Construction & have been a leader in the industrial and control market for many years. From the mos