From their website:
Established in North America in 1990, Balfour Beatty Infrastructure, Inc. is an infrastructure contractor with annual revenues of circa $400 million. We construct highways, bridges over land and water, tunnels, wastewater and potable water treatment plants, rail civils, and excel at large, complex projects.
We provide most of our services to municipal, county, state and federal agencies, particularly state Departments of Transportation and expressway authorities. In addition to many stand-alone projects, Balfour Beatty Infrastructure has worked in multiple joint ventures, including one of the largest public works projects in U.S. history: the design-build State Highway 130 project in Texas.