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Onterris Rises to No. 5 Among the World's Leading Pure-Play Environmental Firms

  • Onterris (NYSE: ONT) advanced to No. 5 among the world's leading pure-play environmental firms in the latest Engineering News-Record (ENR) Top 200 Environmental Firms rankings.
  • The company improved its position from No. 7 in 2025 to No. 5 in 2026, strengthening its status as a top provider of environmental consulting, engineering, remediation, testing, & treatment solutions.
  • ENR rankings are an annual benchmark evaluating firms based on environmental services revenue & performance across key environmental disciplines.
  • Onterris reported growing demand for its expertise in environmental consulting, hazardous waste management, remediation, water solutions, permitting, regulatory compliance, air quality management, & emerging contaminant solutions.
  • Vijay Manthripragada, President & CEO, stated the ranking reflects the company's strategy, scientific expertise, & ability to help clients navigate regulatory, infrastructure, & sustainability pressures.
  • Onterris is a global environmental solutions company that partners with organizations to address complex challenges where environmental pressures, regulatory expectations, & operational risks intersect.