HNTB Corporation

HNTB Corporation is an infrastructure design firm founded in Kansas City in 1914, originally as a railroad bridge design practice. More than a century later it ranks among the top infrastructure design firms in the United States, with around 7,800 employee-owners working nationwide. Its portfolio spans bridges, highways, transit and rail systems, tunnels, water and stormwater infrastructure, airports and stadiums, including landmark projects such as Levi's Stadium, Allegiant Stadium, LAX and DFW.

The firm is employee-owned under the HNTB Ownership Plan, established in 2000, under which every employee holds a stake in the company's long-term success. It describes its culture as built on integrity, technical excellence and respect for others, with an emphasis on teamwork and personal responsibility for results. The firm also cites a commitment to the communities it helps build and connect, and to sustainability, including sustainable stormwater management solutions.

Technical work covers bridge and highway design, transit and rail infrastructure, tunnels, water systems, airport modernisation, and stadium and sports venue design, alongside broader transportation systems modernisation for departments of transportation. Employees bring diverse experiences and perspectives across the firm's national footprint, with projects in locations including Santa Clara, Las Vegas, Los Angeles and Dallas-Fort Worth.