You know your water system has PFAS. You know the rule. The next question is who do I call? This is a free, curated directory of PFAS-credentialed labs, treatment engineers, remediation firms, and compliance consultants — keyed to the work category you need and the state you operate in. 107 firms, no lead-gen pricing, no opaque bidding.
PFAS analytical labs
EPA-certified labs running Method 533, 537.1, and the new 1633 multi-matrix method for drinking water, groundwater, and AFFF impact sampling.
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Treatment system designers & installers
Engineering firms and equipment vendors designing or installing GAC, ion exchange, RO, and nanofiltration systems for PFAS removal.
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Site assessment & remediation
Phase I/II ESA, AFFF impact investigations, and soil/groundwater PFAS remediation across federal, industrial, and brownfield sites.
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Compliance consultants
UCMR sampling support, NPDWR compliance planning, EC-SDC grant application support, and state PFAS reporting (PRISM, EGLE, NJDEP).
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Residential & point-of-use systems
Dealers and installers of under-sink, whole-house, and point-of-entry PFAS reduction systems — carbon block, reverse osmosis, and ion exchange — for homeowners and small commercial buildings on a contaminated public supply.
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Top 20 states by contractor coverage. Any US state slug also works — e.g. /contractors/lab/az.
Firms whose PFAS credentials we have confirmed against EPA / NELAP / state primacy agency records.
Top-5 global engineering firm with deep PFAS practice — treatment system design-build, AFFF investigation at DOD installations, and regulatory consulting.
Global environmental testing network with North American PFAS capacity for EPA 533, 537.1, and the new 1633 multi-matrix method.
Global consultancy with one of the most-cited PFAS practices in industry. AFFF impact investigation, foam fractionation R&D, and litigation-support technical wo...
Employee-owned engineering and environmental consulting firm with a dedicated PFAS practice; particularly active on Minnesota industrial and municipal PFAS site...
Nonprofit applied science organization developing PFAS destruction technologies including supercritical water oxidation (SCWO) and PFAS Annihilator systems. Con...
Employee-owned engineering firm with a substantial municipal water practice. PFAS treatment design, pilot studies, and SRF-funded project delivery.
Employee-owned environmental engineering firm specializing in water and wastewater. PFAS treatability studies and full-scale design for U.S. utilities.
Global TIC firm with North American environmental labs accredited for PFAS analysis in drinking water, wastewater, soil, and biosolids under EPA Methods 533, 53...
Employee-owned engineering and construction firm with PFAS treatment design, AFFF replacement programs at airports and military bases, and PFAS destruction tech...
Activated carbon manufacturer (Cabot Corporation division, formerly Norit) supplying powdered and granular activated carbon for PFAS adsorption in drinking wate...
Largest granular activated carbon (GAC) manufacturer and treatment-system supplier in North America. Dominant vendor for PFAS GAC adsorption systems including I...
Privately-held engineering firm with a deep municipal water practice. PFAS treatment evaluations, GAC and IX pilot studies, EC-SDC grant application support.
Pulled daily from SAM.gov and Grants.gov, filtered to PFAS, AFFF, and environmental remediation NAICS codes.