Since 1984, we have leveraged science, engineering, business, and technology to deliver solutions that make for a better and sustainable environment. Follow along for company news and updates.
Welcome Nyree Melancon, Risk Assessor, to Trihydro!
Trihydro continues to expand our capabilities and experience with the addition of our new risk assessor, Nyree Melancon.
Craig Carlson to Join Wyoming Board of Professional Geologists
Trihydro is pleased to announce that Craig Carlson, P.G. has been recently appointed to the Wyoming Board of Professional Geologists.
Welcome John Pfeffer, Senior Air Professional to Trihydro!
Trihydro continues to grow our capabilities and experience with the addition of our new senior air professional, John Pfeffer.
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Trihydro Staff Participate in Annual Society of Women Engineers Banquet
Trihydro staff attended the University of Wyoming Chapter’s 6th Annual Society of Women Engineers Banquet in Laramie, WY last week.
Brian Pelan
Trihydro Welcomes Brian Pelan, New OSE Director
San Luis Obispo
We're Opening an Office in San Luis Obispo, CA
This location is the company’s 21st office...
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2018 West Laramie Holiday Food Drive
Thanks to all the businesses that participated in this year’s West Laramie Holiday Food Drive Competition organized by Trihydro and Plenty.
Say Hello to Andrew, New Toxicologist at Trihydro
Trihydro has expanded to Tulsa, Oklahoma...
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Trihydro Welcomes Bill Kelly!
Trihydro welcomes William (Bill) Kelly - Professional Geologist, Florida resident, and our newest Development Leader - to the Trihydro family!
People of the Sage News (3)
Teamwork & Partnerships Enhance Sage-grouse Habitat in Eastern Wyoming
For the past five years, the Douglas Core Area Restoration Team (DCA RT) has partnered with...
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When choosing an environmental and engineering partner, you expect proven expertise, consistent quality and a high overall value. Nothing less will do. You can count on these qualities from Trihydro. We welcome you to contact us or visit one of our locations.

Headquarters 307-745-7474  |  Locations