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Business Details
We are EC Ernst, a full-service electrical contracting firm founded in 1915 and serving the Greater Washington, DC area for nearly a century. Our team brings specialized expertise in electrical construction, engineering, and maintenance for projects of all scales, from small routine jobs to large, highly technical institutional builds. We have a proven track record of delivering complex projects on time and within budget, including iconic local landmarks like Washington National Cathedral and St. Matthews Cathedral. Our skilled professionals adhere to the highest industry standards for safety, quality, and code compliance on every job we complete. We prioritize transparent communication with every client to ensure their unique needs and goals are fully understood and met. Our commitment to going above and beyond client expectations has built our reputation as a trusted leader in the regional electrical services market.

We offer turnkey solutions for design-build, contracting, service, and network infrastructure needs across the DC metro area. Our extensive experience working with commercial, educational, government, healthcare, and industrial clients allows us to tailor our services to each sector's unique requirements. We have a long history of earning recognition for our work, including a 2004 Washington Building Congress Star Award for Visual Excellence. We are dedicated to fostering long-term client relationships by delivering consistent, reliable results that support our customers' operational success. We continuously invest in training and technology to stay at the forefront of industry best practices and emerging electrical solutions.
Highlights and features
  • We have over 95 years of electrical industry experience.
  • We earned a 2004 Washington Building Congress Star Award.
  • We deliver all projects on time and within budget.
  • We have completed work for iconic DC landmarks.
  • We deliver substantial cost savings to every client.
Services
Electrical Construction
We provide full-scale electrical construction services for commercial, institutional, government, and industrial clients across the Washington DC metro area. Our team handles all aspects of new build electrical wiring, system installation, and infrastructure setup for projects of any size. We ensure all work meets local building codes and industry safety standards to support long-term facility reliability.
Design-Build Services
We offer end-to-end design-build electrical solutions that streamline project timelines and reduce overall costs for our clients. Our in-house team collaborates with stakeholders from the initial design phase through final construction to align all work with project goals. This integrated approach eliminates coordination gaps and ensures seamless delivery of fully functional electrical systems.
Data Center Installation
We have extensive experience installing data center electrical infrastructure for major telecommunications companies across the Greater Washington DC area. Our team handles all power, lighting, and control system setups to support uninterrupted, high-performance data operations. We adhere to strict industry standards to ensure data center systems are reliable, scalable, and fully code-compliant.
Preventive Maintenance Programs
We offer customized preventive maintenance programs to help clients avoid costly electrical outages and extend the lifespan of their facility systems. Our technicians conduct regular inspections, testing, and proactive repairs to identify potential issues before they cause operational disruptions. These programs reduce long-term maintenance costs and improve overall electrical system reliability for commercial and institutional clients.
Fire Alarm Systems
We design, install, and maintain code-compliant fire alarm systems for commercial, institutional, and government facilities across the DC metro area. Our team ensures all systems are fully integrated with existing building infrastructure and meet local fire safety regulations. These systems provide early warning of fire hazards to protect building occupants and reduce property damage risk.