Phase I/II ESA, AFFF impact investigations, and soil/groundwater PFAS remediation across federal, industrial, and brownfield sites.
Top-5 global engineering firm with deep PFAS practice — treatment system design-build, AFFF investigation at DOD installations, and regulatory consulting.
Global consultancy with one of the most-cited PFAS practices in industry. AFFF impact investigation, foam fractionation R&D, and litigation-support technical work.
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.
Major federal contractor for DOD AFFF-impact investigation, IRP/MMRP site work, and PFAS remediation under USACE and AFCEC IDIQs.
Michigan environmental consulting firm. Notable PFAS work on the Wolverine Worldwide / 3M tannery contamination cases in Belmont and northern Kent County.
Pennsylvania environmental consulting firm. PFAS Phase II investigations, groundwater monitoring, and Act 2 / Land Recycling Program submissions.
Employee-owned environmental consulting and engineering firm. PFAS UCMR sampling support, AFFF site investigation, and compliance planning for water systems and DOD clients.
Mid-Atlantic geotechnical and environmental consulting firm. Phase I/II ESAs including PFAS scope for North Carolina sites.
Sustainability and environmental consultancy with a global PFAS service line — site investigation, product-stewardship advisory, and CERCLA/regulatory positioning support.
Global engineering firm with significant U.S. PFAS investigation and remediation work, including AFFF impact assessments and industrial-site liability evaluations.
North Carolina environmental consultancy with notable Cape Fear / GenX-area PFAS investigation experience. Phase I/II, groundwater, and brownfield work.
Ohio-headquartered environmental consulting firm with PFAS investigation, brownfield assessment, and remediation services across the Midwest.
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.
Michigan-based engineering and environmental consulting firm. PFAS site investigation and Phase II ESA work under EGLE's Part 201 program.
Environment & Health practice with a long PFAS toxicology and site-investigation track record, including expert-witness work in major PFAS litigation.
Environmental and management consulting firm with a heavy New Jersey and New York footprint. Significant PFAS site characterization and litigation-support work.
Multi-discipline engineering firm with combined municipal water treatment and remediation practices. Active in PFAS pilot studies, design-build, and Brownfields assessment.
Mid-size U.S. environmental consulting and engineering firm with PFAS site investigation, treatment design, and compliance practices across the Northeast and Midwest.
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.