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100_1071Specified Electrical Systems, LLC is a full service contractor. Established in 2005, our offices are located in Crofton, Maryland allowing us to service the entire Northern Virginia and Washington/Baltimore Metropolitan areas.

We listen to your needs and establish solutions enabling us to promote an understanding of your site requirements. Specified Electrical Systems creates long term relationships with its customers. We believe in supporting our customers from implementation to completion.

As a full service electrical contractor we offer the following services:

  • Fire Alarm System Installations, Service, Testing & Maintenance, and Retrofits/Upgrades
  • Security/CCTV Systems
  • Fiber Optics
  • Data Communications
  • Troubleshoot, Repair & Replace Wireless Communication Systems (Intellimeter, Psion/Star)
  • Design & Install: FM 200 Systems, Generators, UPS Systems
  • Megger Testing (1000 volt, 5000 volt)
  • Replacement and Installation of all manufactured VFDs.
  • Data/Computer room
  • Preventative Maintenance
  • And Much More !!!!

Welcome to Specified Electrical Systems LLC

At Specified Electrical Systems we are highly dedicated to our customers and strive for quality rather than quantity. Specified Electrical Systems, LLC was started by Francis DiGuiseppe in 2005. Francis brings over 30 years of experience along with honest work ethics and strong knowledge in all areas of the electrical industry. Specified Electrical Services is your "One Stop Shop" for all your needs. Along with general electrical service and installations we also offer specialty services.