Contact Us: 1-800-255-2771
Environmental and Geotechnical Construction Services
Follow Us

Proven Record

In business for over 25 years, we are the leading national provider of environmental remediation solutions to private industry clients.

Outstanding Performance

We are a direct performer of remediation and geotechnical construction services, executing complex projects in a safe, cost-effective, and schedule-adherent manner.

Unparalleled Health & Safety

Protection of human health and the environment is our first priority. Our outstanding safety performance has earned us industry-wide recognition.

Delivering Innovative, Cost Effective, and Safe Solutions

Our unique group of experts create and implement field remediation and geotechnical solutions for a range of private industry clients at active facilities and dormant properties. We own a large fleet of heavy equipment for remediation, earthwork, and geotechnical construction.

Founded over twenty–five years ago on the belief that safety, technical excellence, field expertise, and sound business practices are all necessary to deliver outstanding service, ENTACT is recognized today as a premier provider of environmental services. We are capable of successfully and safely addressing our clients’ most challenging projects.

Show More

Our Services

Our field and technical capabilities enable us to create and deliver innovative solutions to many environmental and geotechnical construction challenges.

Site Preparation, Water  Management & Restoration

Site Preparation, Water Management & Restoration

  • Excavation
  • Stormwater Management Controls and Collection Systems
  • Demolition
  • Earth Retention and Dewatering Systems
  • Revegetation
Geotechnical Construction Services

Geotechnical Construction Services

  • Ground Improvement
  • In-Situ Gravity Retaining Walls
  • Deep and Shallow Soil Mixing
  • Earth Retention/Structural Support
  • Soilcrete and Overlapping Columns
  • Settlement and Liquefaction Mitigation
  • Sheet Piles, Soldier Piles and Lagging
  • Slurry Walls and Intercept Trenching
Cap & Containment

Cap & Containment

  • Composite Capping Systems
  • Soil Covers
  • CAMU and Cell Construction
  • Slurry Wall Construction
  • Landfill Construction
In–Situ & Ex–Situ Treatment

In–Situ & Ex–Situ Treatment

  • Solidification/Stabilization
  • Chemical Fixation
  • Chemical Oxidation
  • Bioremediation
  • Wet Soil Conditioning
  • Permeable Reactive Barriers
Sediment Removal & Management

Sediment Removal & Management

  • Mechanical Dredging
  • Coffer Dams
  • Dewatering and Treatment
  • Subaqueous Barrier Placement
  • Stream Realignment and Bank Stabilization
  • Wetlands Mitigation
Coal Ash Impoundment  & Landfill Closure

Coal Ash Impoundment & Landfill Closure

  • Dewatering Systems
  • Ash Management
  • Wet Ash Conditioning
  • Landfill Construction

Featured Projects

We work throughout the United States as well as select international locations, creating and implementing remediation and geotechnical solutions for a range of private industry clients.

Our Awards

  • 2016 H&S Award
    2016 H&S Award

    National Safety Council Hazard Recognition Crystal Award 2016

  • 2017 H&S Award
    2017 H&S Award

    National Safety Council Industry Leader Award 2017

  • Best in Class Award
    Best in Class Award

    2016 Best in Class Award

  • Excellent Supplier Award
    Excellent Supplier Award

    2016 Excellent Supplier Award