PFAS-credentialed compliance consultants that serve Missouri. Listings include both firms headquartered in Missouri and out-of-state firms with active Missouri project coverage. See the Missouri compliance page for contamination data and regulatory deadlines that drive this work.
Employee-owned engineering and construction firm with PFAS treatment design, AFFF replacement programs at airports and military bases, and PFAS destruction technology evaluation. Active prime on DoD A...
St. Louis engineering firm with Illinois offices in Chicago, Edwardsville, Marion and O'Fallon. Prepared the PFAS remediation study for Portageville, Missouri's public water system, which received eme...
Employee-owned engineering and environmental consulting firm with a dedicated PFAS practice; particularly active on Minnesota industrial and municipal PFAS sites including 3M-area work and treatment s...
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.
Privately-held engineering firm with a deep municipal water practice. PFAS treatment evaluations, GAC and IX pilot studies, EC-SDC grant application support.
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.
Employee-owned A/E firm with a national water practice that has designed PFAS treatment systems (GAC, IX, RO) for multiple U.S. utilities. Active in UCMR-5 sampling support and EPA MCL compliance plan...
Engineering and environmental consulting firm with offices in Greenville, South Carolina; Nashville, Knoxville and Johnson City, Tennessee; and Bridgeport, Charleston and Martinsburg, West Virginia. O...
Wisconsin-based municipal engineering firm specializing in water and wastewater with active PFAS treatment evaluations and MCL compliance planning for Wisconsin and Upper Midwest utilities.
Texas-headquartered engineering firm with a major municipal water practice supporting PFAS treatment evaluations, pilot studies, and MCL compliance planning for Texas and Southeast utilities.
Multi-discipline engineering firm with a strong water practice supporting PFAS treatment design (GAC/IX), UCMR-5 sampling, and MCL compliance planning for utilities across the South Central and Southe...
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.
Employee-owned engineering and design firm with municipal water practice supporting UCMR-5 sampling, PFAS treatment planning, and MCL compliance for community water systems across the Midwest and Moun...
Employee-owned national geotechnical and environmental consulting firm with PFAS site assessment, Phase II investigation, and remedial design services. Active across DoD, industrial, and airport PFAS ...
Engineering and operations firm with offices in Providence RI, Middletown CT, Tampa FL, Duluth GA, St. Charles MO and three Montana cities. Designed and built the University of Rhode Island's interim ...
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.
12 Missouri water systems tested above the EPA limit for PFOA or PFOS, 7 of them on average. The Missouri market brief (PDF plus a workbook with operator contacts) is a one-time $149 download. See a sample →