PFAS-credentialed site assessment & remediation that serve Massachusetts. Listings include both firms headquartered in Massachusetts and out-of-state firms with active Massachusetts project coverage. See the Massachusetts compliance page for contamination data and regulatory deadlines that drive this work.
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.
Major federal contractor for DOD AFFF-impact investigation, IRP/MMRP site work, and PFAS remediation under USACE and AFCEC IDIQs.
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.
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.
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.