Engineering firms and equipment vendors designing or installing GAC, ion exchange, RO, and nanofiltration systems for PFAS removal.
Top-5 global engineering firm with deep PFAS practice — treatment system design-build, AFFF investigation at DOD installations, and regulatory consulting.
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 IIJA-funded municipal projects.
Privately-held engineering firm with a deep municipal water practice. PFAS treatment evaluations, GAC and IX pilot studies, EC-SDC grant application support.
PFAS-treatment-specialty consultancy founded by ex-Hazen and Sawyer PFAS leaders. UCMR support, treatment evaluation, and regulatory compliance planning for water utilities nationwide.
Acquired by Xylem in 2023. Major PFAS treatment-system integrator across GAC, ion exchange, and combined media solutions for municipal and industrial customers.
Water-focused engineering firm known nationally for PFAS treatment research and design. Led pilot work on GAC, IX, and RO for major utilities including OCWD and NYC DEP.
Major federal contractor for DOD AFFF-impact investigation, IRP/MMRP site work, and PFAS remediation under USACE and AFCEC IDIQs.
Specialist water-treatment consultancy with deep PFAS bench- and pilot-study experience for California utilities. Founders include former MWDSC water-quality leadership.
Global water treatment EPC firm. PFAS removal via GAC, ion exchange, and emerging destruction technologies; design-build and BOOT contracts.
Ohio municipal engineering firm. Water utility compliance planning, PFAS treatment evaluations, and OEPA WSRLA grant coordination.
Largest U.S. firm exclusively dedicated to water/wastewater engineering. Significant PFAS pilot and design work for California and Western U.S. utilities.
Pennsylvania-based national engineering firm. PFAS treatment design, PENNVEST grant coordination, and water utility compliance planning.
Long Island-headquartered municipal engineering firm. Heavy New York / New Jersey water utility PFAS treatment design and 1,4-dioxane compliance work.
Global engineering and EPC firm with PFAS treatment design, site investigation, and regulatory advisory work across federal and municipal sectors.
West Coast water-focused engineering firm. PFAS treatment design and pilot work for California and Pacific Northwest municipalities.
Ion exchange resin manufacturer with PFAS-selective IX media (PFA694E) used in municipal treatment systems nationwide.
Multi-discipline engineering firm with combined municipal water treatment and remediation practices. Active in PFAS pilot studies, design-build, and Brownfields assessment.
Wisconsin municipal engineering firm. Water and wastewater system planning, PFAS treatment evaluations, and DNR-coordinated compliance work.
Michigan-based municipal engineering firm. Water-utility compliance planning, PFAS treatment evaluations, and EGLE grant application support.
North Carolina municipal engineering firm. Water-system compliance, PFAS treatment planning, and SRF / EC-SDC grant application support.