At Guarantee Electrical Company, our people make us strong, and our experience guarantees our work. Consistently ranked among the top electrical contractors in the country, we offer more than a century of expertise in electrical engineering, preconstruction, construction, design-build, communications/data systems, and service & maintenance. Every member of our employee-owned firm is empowered and motivated to provide excellent service and legendary innovation locally and nationally.
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Guarantee Electrical Completes $20 Million Assignment for SunCoke Energy in Granite City, Ill.
St. John's Mercy Medical Center New Patient Tower
Guarantee Preconstruction Services Yield Time & Cost Savings for New Patient...