PFAS-credentialed compliance consultants that serve District of Columbia. Listings include both firms headquartered in District of Columbia and out-of-state firms with active District of Columbia project coverage. See the District of Columbia compliance page for contamination data and regulatory deadlines that drive this work.
Nonprofit applied science organization developing PFAS destruction technologies including supercritical water oxidation (SCWO) and PFAS Annihilator systems. Conducts PFAS treatability studies and fiel...
Employee-owned engineering and construction firm with PFAS treatment design, AFFF replacement programs at airports and military bases, and PFAS destruction technology evaluation. Active prime on DoD A...
Environmental engineering and applied science firm widely recognized as a PFAS R&D thought leader. Leading work on in-situ treatment, colloidal activated carbon, and AFFF site characterization.
Employee-owned A/E firm with a national water practice that has designed PFAS treatment systems (GAC, IX, RO) for multiple U.S. utilities. Active in UCMR-5 sampling support and EPA MCL compliance plan...
National environmental and water resources consultant with PFAS site assessment, soil/groundwater remediation, and treatment system design services. Provides PFAS compliance support for industrial cli...
Global engineering and EPC firm with PFAS treatment design, site investigation, and regulatory advisory work across federal and municipal sectors.
East Coast engineering and environmental firm. PFAS site investigation and remediation work across Pennsylvania, New Jersey, and New York.
Federal services contractor with major DoD environmental remediation portfolio including PFAS investigation, remedial action, and AFFF transition support at Air Force, Navy, and Army installations. Ho...
WSP acquired Wood's E&IS practice in 2022. Global PFAS investigation, AFFF site work, and treatment evaluation capabilities across federal and private-sector clients.