3405 Bent Ave
Saint Louis, MO, 63116 United States
(314) 772-5400 †
Guarantee Electrical has been a power in St. Louis since delivered on its "guarantee" to light up the 1904 World's Fair. Now a major US electrical contractor, the company offers commercial, institutional, and industrial services including pre-construction and construction, design/build, communications/data systems services, and maintenance. Guarantee Electrical operates throughout the country and has worked on such varied projects as the MGM Grand in Las Vegas and several post office and prison facilities. Its GECO Systems division installs and services intercom, closed-circuit television, and other audio-visual systems. The employee-owned firm generated $148 million in revenue during FY2015.
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