HNTB Corporation is an American employee-owned infrastructure solutions firm that plans, designs, and delivers a wide range of infrastructure projects. Founded in 1914, HNTB specializes in architecture, engineering, planning, and construction management for transportation (highways, bridges, aviation, transit, rail, tolling), water, and federal markets. The firm is committed to delivering innovative and sustainable solutions that connect communities, enhance mobility, and drive economic growth across the United States.
The headquarters directs national operations, corporate strategy, and central functions including finance, human resources, legal, IT, and marketing, providing support to all regional and project offices.
A modern office facility designed to promote collaboration and innovation, equipped with advanced technology to support HNTB's diverse engineering and design activities. Specific architectural details are proprietary but focus on an efficient and inspiring work environment.
HNTB's headquarters fosters an employee-owner culture emphasizing collaboration, technical excellence, client satisfaction, and integrity. It's a dynamic environment driven by a shared commitment to impactful infrastructure projects.
Kansas City is HNTB's founding city, making the headquarters historically significant. It symbolizes the firm's enduring presence and leadership in the American infrastructure sector for over a century.
HNTB's operations are primarily focused within the United States, with numerous offices nationwide. While they do not maintain a widespread network of international offices, their expertise in complex infrastructure projects, such as major airport design, tolling systems, and bridge engineering, is recognized globally. They may collaborate on international projects or with international firms when specialized expertise is required, but their core service delivery is to U.S. based clients.
715 Kirk Drive
Kansas City
MO
USA
Address: Empire State Building, 350 Fifth Avenue, 58th Floor, New York, NY 10118
To provide comprehensive planning, design, and program/construction management services for significant infrastructure initiatives in New York and the Northeast region.
Address: One South Wacker Drive, Suite 900, Chicago, IL 60606
To address the diverse infrastructure needs of Chicago and the surrounding Midwest states, enhancing mobility and supporting economic development.
Address: 601 West Fifth Street, Suite 900, Los Angeles, CA 90071
To support California's dynamic growth and infrastructure renewal efforts by providing specialized engineering and planning services for large-scale projects.
Address: 1100 Peachtree Street NE, Suite 1000, Atlanta, GA 30309
To deliver innovative infrastructure solutions that support the growth and connectivity of Atlanta and the Southeastern United States.
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As of April 2025, HNTB' leadership includes:
HNTB has been backed by several prominent investors over the years, including:
Over the past year, HNTB has strategically reinforced its leadership team with key appointments and promotions. This includes new Division Presidents for its West, East, and Central regions, and the promotion of a new Chief People Officer, reflecting the firm's commitment to growth, talent development, and effective succession planning.
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HNTB commonly uses an email format consisting of the employee's first initial followed by their last name. While other formats may exist within the organization, this is the most prevalent pattern.
flast@hntb.com
Format
jdoe@hntb.com
Example
85%
Success rate
HNTB News • April 2, 2024
HNTB announced the promotion of Gretchen Ivy, PE, to Central Division president. She will lead client service and project delivery for 17 states, succeeding John Friel who retired....more
HNTB News • March 12, 2024
HNTB and its Disadvantaged Business Enterprise partners received a National Recognition Award from ACEC for their collaborative work on Dallas Fort Worth International Airport’s new Terminal C high C gates....more
HNTB News • February 20, 2024
Stephen Collins, PE, PTOE, CMCA, joined HNTB as a national practice consultant for its national toll practice, bringing extensive experience in tolling and transportation....more
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