PROFESSIONAL ENVIRONMENTAL ENGINEERS, INC

Professional Environmental Engineers, Inc. specializes in environmental site assessments, hazardous materials sampling, and environmental compliance services for federal land and infrastructure management. The firm delivers Phase I and Phase II Environmental Site Assessments (ESAs), remedial investigations, and environmental characterization studies for contaminated sites, with particular expertise in conducting field sampling, data analysis, and regulatory documentation under CERCLA and RCRA frameworks. Their technical proficiency includes soil and groundwater sampling, hazardous substance identification, ecological risk assessments, and environmental due diligence for federal property transitions, often supporting construction management and asset reutilization efforts on defense and public lands. The contractor maintains a strong, sustained relationship with the Department of the Interior, providing environmental due diligence for national wildlife refuges, military surplus lands, and abandoned mine sites. They also support the Department of Defense with environmental compliance services tied to construction and facility modernization projects, ensuring alignment with DoD’s Installation Restoration Program and environmental impact assessment requirements. Additional work for the Department of Agriculture and General Services Administration reflects a focus on federal property stewardship and land-use compliance. Primary services align with NAICS 541620 (Environmental Consulting Services), positioning the firm as a niche provider of regulatory-driven environmental investigations and site characterization. Their work centers on federal land management, environmental remediation planning, and compliance documentation for sensitive ecosystems and legacy contamination sites. The company operates as a small business entity based in St. Louis, Missouri, with no federal certifications on record, but demonstrates deep domain expertise in federal environmental protocols through consistent, mission-critical engagements across multiple agencies.