H&H plans, designs and inspects bridges, highways, rail and transit lines, tunnels and ports for infrastructure owners. Its specialty is movable bridges that open to let ships pass, with structural engineers working alongside mechanical and electrical specialists. Owners pay for engineering consulting that takes projects from early studies through detailed design and construction support. Teams assess existing structures, test their components and plan repairs, while civil and geotechnical specialists address roads, drainage and foundations. H&H was founded in Kansas City, Missouri, in 1887 and is headquartered in New York City, where it has been based since 1920.
Company Size
501-1,000
Company Stage
N/A
Total Funding
N/A
Headquarters
Wuxi, China
Founded
1887
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