Hajoca Corporation, 250 Hamilton St, Allentown, PA 18101, US

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?new systems and upgrades 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: Click for: Notable Institutional & Commercial Wiring Projects High Voltage: 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. Click for: Notable High Voltage Projects Data Centers and Specialty Construction: Orlando Diefenderfer has been a leader in the industrial and control market for many years. From the most sophisticated clean rooms used for manufacturing computer chips, to wiring massive stone crushers in quarries, we are designing, installing and maintaining systems everyday. Working hand-in-hand with our telecommunications dept., we are a leader in the latest control technologies. The last decade has brought a need for more reliable and complex data centers. No company in the region can boast the experience we have in data center installation. Click for: Notable Data Centers and Specialty Construction Projects Life Safety and Security Systems: Orlando Diefenderfer offers installation of all major fire alarm equipment and card access systems and has completed some of the areas largest projects. What makes Diefenderfer different from other installers is our vast array of experience in different types of campus environments including universities, corporate offices, elderly housing and industrial plants. We're the most experienced of local contractors in all types of card access systems. Card access is utilized for all types of security control including: entrance control, delayed exit alarms, payroll time records, parking lots, vending machine debit, and food service debit systems. Click for: Notable Life Safety and Security Systems Projects Projects Currently In Progress: Allentown Rescue Mission PNC Bank, Philadelphia Bravo Restaurant Easton Hospital Service Electric Bed, Bath, and Beyond New York Life Ross Dress for Less Lehigh Cement Hooper Holmes, Inc. Installation of IP-PBX voice network system at multiple service centers and corporate facilities nationally. Project highlights included: Completed full assessment of customer VOIP needs - Voice over internet protocol Deployed multiple IP-PBX systems nationally Centralized call control and management Virtual call center distributed across all sites Lutron Electronics Company, Inc.