Cascade Drilling was founded in 1991 as a highly regarded Northwest U.S. regional drilling company operating across three states. Cascade developed a strong reputation for safety, service and reliability with a particular emphasis on traditional drilling technologiesaugerrotary and direct push. From these roots the company has grown into a national, full service company offering innovation solutions for every step of your project, from environmental and geotechnical drilling to advanced site characterization and in situ and ex situ remediation applications. Our diverse portfolio of environmental, investigation and remediation services enable us to complete even the most challenging projects on time and on budget.

  • 1991 - CASCADE DRILLING, INC., WAS FOUNDED

    In Seattle, Washington

  • 2013 - BOART LONGYEAR ENVIRONMENTAL AND INFRASTRUCTURE DIVISION ACQUIRED

    Expanding our fleet of sonic drill rigs.

  • 2015 - CASCADE COMPLETES SEVEN ACQUISITIONS

    TerraTherm, Inc., ARS Technologies, Aquifer Drilling and Testing (ADT), Sonic Drilling Services, Diversified Geophysics, Inc., and, Terra Sonic International's Field Services division

  • 2016 - CASCADE DRILLING REBRANDS AS CASCADE ENVIRONMENTAL

    To better capture its expanded range of service offerings.

  • 2016 - CASCADE COMPLETES FIVE ACQUISITIONS

    Current Environmental Solutions (CES), Panther Technologies, GeoSierra Environmental, Alliance Maintenance & Services, and Stone Environmental's Field Services division.

  • 2017 - CASCADE COMPLETES ACQUISITIONS

    Global Remediation Services (GRS).

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