Founded in 1902 by a coalition of entrepreneurs who “guaranteed” to light the 1904 World’s Fair, Guarantee Electrical Company has grown into one of the largest and most respected national electrical contracting firms. Our team of more than 750 engineers, project managers, IBEW craft workers and office staff provides a complete spectrum of electrical services that exceed our customers’ requirements and expectations, and earn repeat opportunities to serve.
With offices in four states (Missouri, Illinois, Colorado and California), Guarantee delivers services throughout the United States. Our affiliation with the Federated Electrical Contractors (FEC) further expands our reach, with partner firms in 60 cities around the globe.
- 3405 Bent Avenue
- St. Louis, MO 63116
- Phone: 314.772.5400
- Toll Free:
- Website: http://www.geco.com/
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