DeMaio Electrical Company, Inc.
Powering New Jersey's Infrastructure Since 1986
Full-service electrical and construction solutions for municipal, commercial, and industrial projects. Generators. Switchgear. Water & wastewater systems. You name it — we deliver.
About Us
Founded in 1986 as a dedicated electrical contractor, we have evolved into a complete general construction partner serving state, municipal, commercial, and industrial clients statewide. From our modern headquarters in Hillsborough, NJ - complete with a 7,000 sq ft office/warehouse, state-of-the-art facilities, and secure equipment storage - we deliver reliable, high-quality work every time.
Our Core Specialties
Electrical & Power Systems:
Electric, generator sets, switchgear, control systems, instrumentationWater & Wastewater Infrastructure:
Sewer/water treatment plants, sewage pumping stations, pump stations, booster stations, well houses, raw sewage pumpsSite Development & Construction:
Sitework, excavation, concrete work
We handle projects from design through installation and maintenance, including:
Sewage treatment plants
Water/waste treatment plants
Booster & pump stations
Generator integration
Commercial & industrial electrical solutions
Experience You Can Trust
With decades of proven success, our knowledgeable team excels in city/town hall & government facilities, civil & site development, manufacturing plants, power generation & distribution, utilities and sewage/water treatment plants.
We proudly serve all counties in New Jersey
We proudly serve all counties in New Jersey
Why Choose DeMaio Electrical Company?
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01. Diversified Expertise
From pure electrical work to full-site construction.
Founded in 1986 as an electrical contractor, we’ve grown into a full-service general construction firm handling everything in-house. From electrical systems, generators, and controls to excavation, concrete, and complete site development, we deliver integrated solutions for water/wastewater, commercial, and industrial projects.
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02. Secure, Modern Facility
Equipment and materials stored safely on our 2-acre site
Our 2009-built Hillsborough headquarters includes a 7,000 sq ft climate-controlled warehouse and a fully fenced 2-acre yard. This secure setup keeps equipment, tools, and materials protected and ready, enabling faster mobilization and fewer project delays.
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03. Committed to Quality
Experienced staff delivering projects on time and within budget
Our seasoned team brings decades of expertise in electrical and construction trades. We focus on precise planning, safety, and clear communication to consistently deliver high-quality work on schedule and within budget.
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04. New Jersey Focused
Local knowledge for efficient, compliant results
As a New Jersey-based company serving the entire state, we know local regulations, permitting, and site conditions thoroughly. This expertise drives faster approvals, cost-effective solutions, and reliable results tailored to NJ projects.
