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. 53 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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Priority PFAS states — the 8 where most contamination data, regulatory activity, and funding flow concentrates.
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 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.
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.
Water-utility-focused PFAS and treatment specialty consultancy. UCMR sampling, treatment evaluation, source water assessments, and SDWA compliance planning.
PFAS-treatment-specialty consultancy founded by ex-Hazen and Sawyer PFAS leaders. UCMR support, treatment evaluation, and regulatory compliance planning for wat...
One of the largest commercial drinking-water labs in the U.S. and the primary contract lab for EPA UCMR 5 PFAS analysis. EPA Method 533, 537.1, and 1633 capable...
Formerly TestAmerica — full-service environmental lab network covering PFAS in drinking water, groundwater, soil, sediment, and tissue. DOD ELAP accredited.
Acquired by Xylem in 2023. Major PFAS treatment-system integrator across GAC, ion exchange, and combined media solutions for municipal and industrial customers.