Seattle, WA – Engineering News-Record has released its annual Top Environmental Firms list, which ranks firms based on revenue for environmental services performed in the previous year. Parametrix ranked no. 135 on the 2025 list. The firm has appeared on this list every year since 2003.
The top 200 environmental firms generated a total of $178.6 billion in revenue in 2024, an increase of 5% from the prior year. Parametrix generated $103.7 million in environmental revenue, accounting for half of the firm’s total revenue. Of that environmental revenue, environmental science made up 57% and wastewater treatment represented 27%. The remainder was generated by hazardous waste, air quality/clean energy, water supply and treatment, and environmental management services. The majority of the firm’s environmental clients are state and local agencies.
Parametrix’s environmental services offerings include climate change and resiliency consulting, biological sciences and Endangered Species Act, ecosystems, industrial compliance, investigation and remediation, National Environmental Policy Act documentation, and solid and hazardous waste.
About Parametrix
Parametrix is a 100-percent employee-owned consulting firm helping clients deliver resilient infrastructure, livable communities, and environmentally sustainable solutions. From offices across the United States, our team of engineers, planners, scientists, landscape architects, surveyors, project managers, and construction managers are helping our clients imagine what’s possible and create tomorrow, together. Learn more at https://www.parametrix.com/