Guarantee Electrical Company - Top Electrical Contractor in Missouri, Illinois and Colorado. Guarantee Electrical was founded in 1902 when our founders "guaranteed" they could light the 1904 World's Fair for an entire year. In our more than 115 year history, Guarantee Electrical Company has grown from a single office in St. Louis, MO to four branch offices in Missouri, Illinois, Colorado, and California. We are also a founder of the Federated Electrical Contractors (FEC), a network of nationwide electrical contractors, enabling us to provide services across the country.

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History Report

At the turn of the 20th century, Guarantee Electrical helped demonstrate the miraculous applications of electricity to a global audience when they illuminated the 1904 World's Fair and "guaranteed" that an almost impossible job would be done right and done on time.

Services Report

Colorado Electrical Contractors | St. Louis Electrical Construction | Electrical Engineering in Illinois. A national leader in the design and construction of electrical and building management systems, Guarantee Electrical Company provides a complete spectrum of electrical contracting services. Our team supports our clients throughout a facility's life cycle from preconstruction through construction, to preventive maintenance and energy audits, to building upgrades.Our services are available at our offices in Missouri, Illinois, Colorado and California.

Locations Report

Founded in 1902, Guarantee Electrical first showed the world what electricity could do by illuminating the 1904 World's Fair, and then "guaranteeing" that it would work for the duration of the event at a time when electrification was still in its infancy.

California Report

Guarantee Electrical provides a variety of services for the Valero Refinery in Benicia, CA. Guarantee Electrical also performs work on new construction projects within the refinery operating units and mentors other contractors that are new to the industrial environment at the refinery. The Valero Refinery is a VPP Facility and Guarantee Electrical Company is a Cal/OSHA Certified electrical contractor.

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