ARCADIS U.S., INC.

ARCADIS U.S., INC. delivers specialized engineering, environmental remediation, and applied research services to federal agencies, with deep expertise in geotechnical investigations, water infrastructure assessment, and site-specific contamination modeling. The firm provides end-to-end solutions for defense and homeland security sites, including feasibility studies, record of decision documentation, and post-award project support for former military installations. Technical capabilities include non-invasive pipeline detection technologies, AFFF (aqueous film-forming foam) source strength analysis, leaching behavior modeling, and floodwall and levee system evaluations. Their research and development work focuses on physical and engineering sciences, particularly in environmental monitoring and remediation innovation, often in collaboration with the ESTCP program. The contractor maintains a strong, sustained relationship with the Department of Defense, supporting environmental compliance, infrastructure maintenance, and hazardous substance mitigation at military installations. Additional engagements with the Department of Homeland Security and Department of State involve engineering design support and site-specific environmental assessments. These partnerships reflect a pattern of trusted technical execution on complex, mission-critical infrastructure and remediation projects requiring regulatory alignment and field validation. ARCADIS U.S., INC. operates primarily under NAICS 541330 (Engineering Services), 562910 (Remediation Services), and 541715 (Research and Development in Physical and Engineering Sciences), positioning itself as a technical integrator for environmental and infrastructure challenges across federal defense and security portfolios. Their work bridges field data collection, analytical modeling, and regulatory reporting to enable informed decision-making at contaminated or aging sites. As a 2L entity headquartered in Highlands Ranch, Colorado, the firm operates without federal certifications but leverages technical credibility and domain-specific experience to secure recurring federal engagements. Geographic presence is focused on supporting nationwide federal installations, with project execution tailored to site-specific environmental and operational constraints.