HNTB Corporation

Infrastructure Design FirmEngineering Firm

About Us

HNTB Corporation is an employee-owned infrastructure solutions firm serving public and private owners and contractors. With more than a century of service, HNTB understands the life cycle of infrastructure and addresses clients’ most complex technical, financial and operational challenges. Professionals deliver a full range of infrastructure-related services, including award-winning planning, design, program and construction management.

Our culture is defined by integrity, technical excellence and providing quality work on time and on budget to our clients’ satisfaction. The ideals and values that have guided HNTB for its first 100 years still hold true today.


HNTB is one of the principle designers on the APM Assignment
HNTB was the prime designer on the Metro LAX/Crenshaw line extension providing both civil and architectural design services.
Metro LAX/Crenshaw trench beneath Runway 25R approach along Aviation Blvd.
HNTB worked with United Airlines to design the remodel of Terminals 7 & 8 at LAX
HNTB provided architectural design services for United Airlines new Club at T7
HNTB is working throughout Southern California on landmark projects such as the 6th Street Bridge Replacement
HNTB has been working with LAWA for more than 30 years, helping deliver some of their most critical infrastructure including airfield improvements, terminals, and landside developments.

Rep/Contact Info

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James Long
Associate Vice President