1100 Jadwin Ave.
Suite 250
Richland, WA 99352

About Us

Freestone is driven by the belief that the firm’s services should be of exceptionally high quality, always delivered on time and competitively priced.

Freestone Environmental Services, Inc., founded by Dan Tyler, is led by President Steve Airhart. The team boasts decades of professional consulting experience in solving technical and regulatory challenges. They work closely with clients to personally ensure performance of their projects. They direct a team of scientists and engineers with a broad range of expertise. Our staff members are talented, energetic, and solution-oriented. These professionals are dedicated to delivering the highest level of service to our clients. We share core values in promoting sustainable stewardship of our planet, and the well-being of our communities.

Our support teams are right where you need us!
  • Richland, Washington (Home Office)
  • St. Petersburg, Florida
  • Honolulu, Hawaii
  • Silver Spring, Maryland
  • Gloucester, Massachusetts
  • Ann Arbor, Michigan
  • Oak Harbor, Ohio
  • Seattle, Washington
  • Guam
  • Freestone : What's in a name?

    A Freestone stream is swift flowing, fed by tributaries that receive runoff from rainfall and snowmelt.  The rushing current turns and wears smooth the gravel and cobbles that comprise its rocky stream bed.

    Our firm brings experience, fresh perspective, talent, and energy to bear upon solving the complex environmental challenges of today's world.