Directory of EHS & Sustainability Service Providers

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Services Offered

    Air Quality · Auditing · Behavior Based Safety (BBS) · Chemicals & MSDS Management · Climate/ Greenhouse Gases · Construction Management · Decontamination · EHS Audits Management · EHS Compliance Consulting · EHS Marketing & Communications · EHS Software · Facility Design/ Engineering · Information Technology Services · Insurance · Mergers/ Acquisitions/ Divestures · Occupational Health/ Occupational Medicine · Property Redevelopment · Recycling · Regulatory Tracking/ Gvt. Affairs · Remediation/ Restoration · Risk Assessment Management · Software · Sustainability Performance Management · Sustainability Site Assessments · Sustainability Strategy · Waste Management/ Treatment · Water/ Wastewater Management


Affiliates Council Contact

Gary Risse
Gary Risse

Business Unit Leader - Industrial, Commercial, and Energy Services

1252 Commerce Drive Laramie, WY 82070

Work: (307) 745-7474

Cell: (678) 428-5308

Additional Contact

Rajib Sinha

Regional Initiatives Manager

2702 East Kemper Road Cincinnati, OH 45241

Work: (513) 429-7456

Cell: (513) 604-8940

Company Overview

What goes into a successful EHS program? Every program is different, but each component matters – whether it be regulatory compliance, permitting, hazardous waste management, facility siting, site assessment and remediation, or long-term closed facility maintenance – because it affects your bottom line. At Trihydro, we combine innovation, safety, and project controls to deliver technical services that support your program goals. Many of us have spent time on the industry side, so you can trust that our team gets it. Our 20 offices and growing staff of more than 425 professionals are experts in their fields and prepared to take on the challenges of the commercial, chemical, industrial, retail, transportation, oil and gas, mining, and government industries.

Service Offerings


Our experience managing environmental projects across industries, landscapes, geologies, and climates has taught us that environmental project success depends on a clear vision of a desired outcome. Our environmental project teams are seasoned experts when it comes to balancing regulatory requirements, liability, and your business goals.

  • Regulatory EHS Compliance, Permitting & EHS Auditing
  • Solid Waste Management
  • Land Reclamation
  • Natural Resource Planning & Management
  • Remediation
  • Risk Management
  • Site Characterization
  • Chemical Data Evaluation & Analysis

Water Resources

Proper water resources planning, restoration, development, and protection measures have never been more critical than they are today. Trihydro offers expert water and wastewater consulting services in both public and private sectors to address your water development, supply, demand, and quality challenges with solutions that will last.

  • Water Resource Planning & Management
  • Water Development
  • Water Supply & Distribution
  • Water Treatment
  • Wastewater Treatment & Collection

Air Quality & Process Management

Trihydro has spent the past 20 years becoming experts in state and federal Clean Air Act and related regulations for oil and natural gas, petrochemical, and manufacturing industries. We know it’s a daunting task, and we’ll get you on track for headache-free compliance.

  • Air Permitting
  • Compliance & Auditing
  • Fenceline Monitoring
  • Greenhouse Gas Management
  • Leak Detection & Repair (LDAR)

Service Area

  • Laramie, WY
  • Cincinnati, Ohio
  • Golden, CO
  • Austin, TX
  • Signal Hill, CA

Visit for a complete list of locations.

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