Top 200 Environmental Firms for 2009

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(CC) Ravi Karandeekar/Flickr

(CC) Ravi Karandeekar/Flickr

CH2M Hill Ltd. leads the list of the Engineering News-Record’s (ENR’s) Top 200 Environmental Firms for the third year in a row. ENR’s Top 200 Environmental Firms ranking provides an annual look at a market that now exceeds $30 billion in annual revenue.

The rankings are based on revenue firms’ reports for work performed in market sectors that include hazardous and nuclear waste cleanup, water supply and wastewater treatment design and construction, air pollution control and environmental management and permitting.

For complete data and more information on the ENR Top 200 Environmental Firms list, click here.