Flatiron is a Colorado-based construction company founded in 1947. Since then, Flatiron has expanded throughout the US and Canada, completing some of the most complex heavy civil and water infrastructure projects in North America with revenues in excess of $1.3 billion. We have the local expertise backed by the experience and resources of a national and international contractor with 1,764 skilled craft workers in the US. Our parent company, HOCHTIEF, was ranked #2 Top International Contractor by Engineering News-Record. Within the last 10 years, Flatiron has successfully completed 50+ water/wastewater infrastructure contracts and delivered more than 33 design-build contracts worth a combined $6.5 billion, with another $6 billion under contract.