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Contact Information

Corporate Headquarters
10188 E. I-25 Frontage Road
Firestone, Colorado 80504
Phone: 303-485-4050
Fax: 303-485-3922

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Operating Divisions

Flatiron builds heavy civil infrastructure for the transportation, energy and water sectors. We develop innovative solutions to construct large-scale infrastructure, including roads, bridges, tunnels, rail transit and water/wastewater projects, for both public and private clients. Headquartered in Firestone, Colo., about 30 miles north of Denver, Flatiron operates under the following four divisions across the U.S. and Canada: