Services
Our Footprint
Overhead & Underground Distribution
SEC’s Distribution division is the foundation of our business and a driving force behind our continued growth. For more than 30 years, our Overhead Distribution team has built and maintained thousands of miles of power line across the country.
Working on systems ranging from 4kV to 69kV, our capabilities include maintenance and repair, system upgrades, new construction, troubleshooting, and integration. Backed by a modern, well-maintained equipment fleet, our crews are equipped to work wherever the job takes them — from challenging terrain and remote locations to industrial facilities and utility systems of every size.
Our Underground Distribution team provides comprehensive electrical services for primary and secondary systems up to 35kV. Capabilities include trenching, excavation, horizontal and directional boring, new installation, re-cabling, maintenance, and troubleshooting.
Across every project, SEC delivers the skilled workforce, equipment, and commitment to safe, quality production our customers depend on.
Transmission
SEC’s Transmission division provides high-voltage transmission line construction, maintenance, and storm restoration services for investor-owned utilities, municipalities, and rural electric cooperatives.
Our experienced personnel and modern equipment fleet allow us to efficiently manage projects ranging from routine maintenance to complex construction. Working on line voltages from 45kV to 500kV, our team delivers every project with a continued focus on safety, quality, and performance.
Substation Construction & Relay
SEC’s Substation Construction & Relay division provides turnkey substation construction and maintenance services for utility, transmission, distribution, and industrial customers.
Our capabilities include greenfield and brownfield construction, protection and control, relay installation and testing, equipment commissioning, outage coordination, system upgrades, and ongoing maintenance.
From initial construction through commissioning and beyond, SEC delivers safe, reliable solutions designed to support grid performance and operational excellence.
Emergency Restoration
When disaster strikes, SEC is ready to respond.
Our Emergency Restoration teams provide rapid response and recovery following hurricanes, tornadoes, ice storms, and other devastating natural disasters. Through years of responding to disasters across the country, SEC has built lasting relationships with many of the nation’s largest utilities and cooperatives.
From overhead power line reconstruction and underground utility repair to debris cleanup and logistical support, our experienced crews and modern equipment are prepared to perform in the most challenging conditions.
When communities need power restored and utilities need a trusted partner, SEC is proud to be among the first calls they make.
Commercial & Residential
SEC brings decades of electrical experience to commercial and residential customers.
Our capabilities range from traditional bid work and design-build projects to residential wiring and lighting, commercial electrical services, and generator installation.
Our services have continued to expand to include warning siren installation, streetlight installation and maintenance, specialized athletic field lighting, federal highway construction projects, and more.
Whatever the project, SEC delivers dependable electrical solutions backed by experience, quality workmanship, and a commitment to service.
Data Centers
SEC’s Data Center division delivers the critical electrical infrastructure needed to support reliable, scalable, mission-critical operations.
Our expertise spans utility interconnection, medium- and low-voltage distribution, backup generation, UPS systems, switchgear, and commissioning. From initial construction through energization, our team helps clients build resilient facilities with confidence.
With a focus on safety, constructability, critical milestones, and uptime, SEC delivers power infrastructure engineered to meet today’s demands while seamlessly supporting tomorrow’s growth.