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Since successfully lighting the 1904 World’s Fair in St. Louis, Missouri, Guarantee Electrical Company has grown into one of the nation’s foremost providers of electrical contracting services and systems solutions. From large-scale, design-build work to small but vital renovations and corporate maintenance contracts, the Guarantee team approaches each and every project with a commitment to timely, cost-effective delivery of the highest quality craftsmanship, safely installed.

Guarantee offers clients the assurance of extensive experience in a wide variety of project types. For a sample of some of our finest work, explore the case studies within each project category or visit the featured case studies.  Contact us for more details on our work and capabilities for your project.
 

 
Guarantee Electrical Office
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Our Offices
St. Louis MO
314.772.5400
Granite City IL
618.452.6122
Denver CO
303.373.2400
Benicia CA
707.745.7445
 
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