AECOM (incorporating Davis Langdon, An AECOM Company)

ConstructionTexas, United States1001-5000 Employees

AECOM, incorporating the Davis Langdon brand, operates in the construction and infrastructure services arena and is based in Dallas, Texas. The firm traces its history in part to the 2010 acquisition of Davis Langdon, which expanded its capacity to deliver architecture and engineering for large-scale projects.

It serves public and private sector clients seeking capable delivery of infrastructure modernization and development initiatives. In June 2026, AECOM announced it would continue providing architecture and engineering services to the U.S. Department of Homeland Security for its critical infrastructure modernization initiatives, reflecting its involvement in government-led infrastructure programs.

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