- GEOSCIENCE & ENVIRONMENTAL SERVICES
- Coal Combustion Residual (CCR) Services
- Site & Remedial Investigation
- Remediation Design & Construction
- Underground Storage Tank (UST) & Aboveground Storage Tank (AST)
- Superfund Services
- Water Rights
- Hydrogeology
- Groundwater Modeling
- Groundwater Monitoring
- Water Well Design & Production
- Risk Assessment
- ENGINEERING SERVICES
- PLANNING SERVICES
- TECHNICAL SERVICES
- MARKETS SERVED

Since its inception in 2000, WET has grown from a highly specialized group of groundwater professionals into a full-service environmental and engineering consulting firm with office locations in Butte, Anaconda, Bozeman, Great Falls, and Kalispell, Montana and Sheridan, Wyoming.