About Us


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About Us

IPhone_107Specified 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 offer immediate response, superior customer service, competitive pricing, and an honest approach. We are sensitive to the needs of the customer and perform all work to an uncompromised level of quality. Our goal, simply put, is to achieve 100% customer satisfaction.
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, and we believe in supporting them from implementation to completion.
As a full-service electrical contractor we offer the following services:
• Fire Alarm Systems; testing, troubleshooting, upgrades, and replacements
• Tenant build-out and services from renovations and troubleshooting to simple circuit additions
• Small building, new construction
• Power supply to replacement chillers, boilers, cooling towers, and AHU's
• VFD installations, upgrades, and replacements
• Preventive maintenance, repairs, and upgrades to switchgear, motor control centers, panelboards, etc.
• Building automation systems

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.