PFAS-credentialed site assessment & remediation that serve Montana. Listings include both firms headquartered in Montana and out-of-state firms with active Montana project coverage. See the Montana compliance page for contamination data and regulatory deadlines that drive this work.
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.
National environmental and water resources consultant with PFAS site assessment, soil/groundwater remediation, and treatment system design services. Provides PFAS compliance support for industrial cli...
Employee-owned environmental consulting and engineering firm. PFAS UCMR sampling support, AFFF site investigation, and compliance planning for water systems and DOD clients.
Native American-owned environmental remediation firm with DOE and DoD prime contracts including PFAS investigation and remediation at federal sites. Performs site characterization, groundwater treatme...
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.