PWT provides full-service environmental consulting to governmental and commercial clients for planning, compliance, investigations, construction, and remediation programs nationwide.

PWT combines proven science and engineering skills with strong project-management, data-management, and quality assurance to deliver practical, innovative, and cost-effective solutions to environmental, groundwater, surface water, and remediation engineering projects.


PWT is an award-winning business and since 1987 provides years of experience providing environmental consulting services nationwide to government agencies as well as private industrial clients. Additionally, PWT’s division, EarthFax Engineering Group (, provides complementary services in the areas of civil engineering, water resources, geotechnical engineering, asbestos/hazardous material abatement, and related construction services.

PWT combines proven engineering and science expertise with strong project management capabilities to deliver comprehensive solutions for environmental, operations, and information technology programs. We partner closely with our clients to develop customized solutions that are responsive to dynamic needs.

PWT’s outstanding performance is evident by our long-term relationships with our clients including EPA, GSA, DOE, DOD, DOT, and several commercial customers. Established in 1987, PWT is a small business. PWT’s full-service environmental consulting, engineering, design, and construction capabilities are enhanced by:

  • Facility operations and management technical services
  • Complete IT solutions provider
  • Integrated GIS support

Services Overview


PWT delivers innovative yet practical and cost-effective environmental solutions to complex site challenges.


PWT provides comprehensive turnkey usage geospatial products and services in the ESRI based Geographic Information System (GIS) platform as well as AutoCAD and many other graphical data collection and presentation platforms.

Operations & Engineering

PWT provides evaluation, design, construction oversight, operations, maintenance, health and safety, environmental compliance, and optimization of facilities and remedial systems