“We're proud to offer this promise to our clients - Many Strengths, One Guarantee.”
- Rick Oertli, President & CEO of Guarantee Electrical Co.
Guarantee Electrical Company lights up St. Louis as one of the largest full-service electrical contractors in the nation. Guarantee Electrical was founded by a group of young entrepreneurs in 1902 to wire the St. Louis 1904 World's Fair. Today, Guarantee Electrical boasts a 600 person staff comprised of professional engineers, project managers and IBEW electricians who meet electrical construction, design/build, communications/data, service and maintenance needs.
