shipping tanker and oil rig at sunset
Are you ready for IMO 2020? Sulphur oxides emissions regulation hits January 1
    • International Maritime Organization
    • Refineries
    • SOx emissions
    • SOx
    • Sulphur oxides
    • Marine fuels market
    • IMO 2020
  • newsitem-01
    Trihydro Celebrates 35th Anniversary
    Trihydro is celebrating its 35th year in business this month.For this anniversary, Trihydro adopted a theme that complements its employees’ commitment to...
    2019T200EnviroFirms
    Trihydro Recognized Among Top U.S. Environmental Firms
    Trihydro has again been ranked among the Engineering News-Record Top Environmental Firms...
    • ENR
    • Environmental
    • Engineering
    • 2019
  • Tips to Assess Your Air Compliance Program Effectiveness
    Air Compliance – Tips to Assess Your Program Effectiveness
    If your air compliance program was “tested”, what letter grade would it receive?
    Employee Announcement Email Header-02
    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.
    • Risk Assessor
    • Risk Assessment
    • Closed Facilities
    • Trihydro
    • New Employee
    • 2019
  • Employee Announcement Email Header-02
    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.
    • Welcome
    • John Pfeffer
    • Trihydro
    • New Employee
  • PFAS_NDAA
    House Passes Bill to Tackle PFAS Cleanup
    On July 12, 2019, the House voted to include amendments that address PFAS pollution as part of the NDAA
    Newsitem-01
    Trihydro Recognized at 2019 Safety & Workforce Summit
    The Wyoming Department of Workforce Services recognized Trihydro at the 2019 Safety and Workforce Summit...
    • 2019
    • Wyoming OIl and Gas Industry Safety Alliance
    • Wyoming Department of Workforce Services
    • WOGISA
    • Winner
    • WDWS
    • Trihydro
    • safety
    • health
    • Employees
    • Emily Conkling
    • Award
  • Drinking Water
    New Data Reveals Extensive PFAS Contamination
    • Hazardous Air Pollutants
    • Health & Safety
    • Heath & Safety
    • health and safety
    • Delve
    • Data
    • Environmental Protection Agency
    • Environmental
    • Contamination
    • PFAS
    • Action Plan
    • 2019
  • newsitem-01
    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.
    • STEM
    • Trihydro
    • UWYO
    • SWE
    • Society of Women Engineers
    • University of Wyoming
  • Brian Pelan
    Trihydro Welcomes Brian Pelan, New OSE Director
    • News
    • Health & Safety
    • Operational & Service Excellence
    • OSE
    • 2019
  • UW_Institution_Logo
    University of Wyoming "Trihydro’s dedication to the communities in which they have offices is second to none. We look forward to our continued relationship with Trihydro and the opportunity to present students with quality job opportunities from a top notch company."

    Conrad Chavez, Manager, Multicultural Affairs

    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