Trihydro truck in a field
ENR Names Trihydro a Top 200 Environmental Firm for the 18th Year in a Row

For the 18th consecutive year, Trihydro Corporation (Trihydro) has been ranked among the Engineering News-Record (ENR) Top 200 Environmental Firms. Considered an industry benchmark, ENR ranks its annual global list based on gross revenues associated with environmental services. Trihydro debuted on the list in 2006 at #171 and is ranked at #112 in 2023.  

Important contributions to Trihydro’s continued success over the past year include geographic expansion of resources, diversification of services, and continued focus on its employees, key clients, and industry sectors.

About ENR’s Top 200 List

ENR's list of the Top 200 Environmental Firms, published annually, provides a look at key players, based on prior year revenue, in the global environmental services market—in areas from hazardous and nuclear waste cleanup to environmental sciences and water/wastewater treatment facility design and construction. Ranking on ENR’s list has become a well-recognized indicator of success for environmental industry firms. To learn more, visit

About Trihydro 

Trihydro tackles complex environmental and engineering challenges with a focus on specific industries, including the petroleum, mining, water resources, industrial, commercial, and infrastructure sectors. Trihydro has been listed on ENR’s Top 200 Environmental Firms list for 18 consecutive years. 

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