Industries we serve
Transportation & Aviation
Transportation infrastructure projects demand environmental expertise that keeps projects moving while meeting complex regulatory requirements. Citadel supports airports, ports, rail systems, highways, and transit agencies with environmental planning, permitting, industrial hygiene, hazardous materials consulting, compliance, and construction support.
Project profiles
Featured projects

Building Sciences
Port of Long Beach
Port of Long Beach
Long Beach, CA
Citadel EHS has supported construction and infrastructure projects at the Port of Long Beach for more than a decade, providing multidisciplinary environmental, health, safety, and sustainability services across complex, active waterfront environments. Working with the Port and its construction partners, Citadel helps project teams identify environmental risks, respond to unexpected field conditions, maintain regulatory compliance, protect workers, and keep critical construction activities moving.
Building Sciences
LAX ConRAC / Manchester Square Redevelopment
Los Angeles World Airports / Myers-Griffith and PCL Construction
Los Angeles, CA
Citadel EHS provided multidisciplinary environmental consulting and construction-phase support for the redevelopment of the Manchester Square neighborhood associated with the new LAX Consolidated Rent-A-Car (ConRAC) facility. Working initially with Myers-Griffith and subsequently with PCL Construction, Citadel supported the project from pre-demolition assessment through abatement, excavation, grading, and active construction.
Transportation & Aviation
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