Founded in 1974, STRATA continues to flourish and expand professional services throughout the northwestern United States.
STRATA’s client service model includes establishing small to medium-sized, local offices that have the resources to support large regional projects or area-wide agencies. Our consistent business practices allow STRATA to offer streamlined service with local client representation and regional support.
Communications are enhanced through our electronic reporting system. This advanced technology assures our clients that instant transmission of testing, observation and engineering results can be received moments after a report is compiled and reviewed.

Boise, Idaho (Corporate Office)

  • 8653 West Hackamore Drive - 83709
  • Phone: 208.376.8200
  • Fax: 208.376.8201

Casper, Wyoming

  • 605 North Warehouse Road - 82601
  • Phone: 307.234.2126
  • Fax: 307.266.5143

Cheyenne, Wyoming

  • 2300 Missile Drive - 82001
  • Phone: 307.635.0222

Coeur d'Alene, Idaho

  • W. 280 Prairie Avenue - 83815
  • Suite 2
  • Phone: 208.772.2428
  • Fax: 509.891.2012

Gillette, Wyoming

  • P.O. Box 4098 - 82717
  • 2020 Schoonover Street - 82717
  • Phone: 307.686.6409
  • Fax: 307.686.6501

Idaho Falls, Idaho

  • 1652 Woodruff Park - 83401
  • Phone: 208.523.8781
  • Fax: 208.887.0672

Missoula, Montana

  • 5653 Alloy South - 59808
  • Phone: 406.829.1600
  • Fax: 406.829.1610

Pocatello, Idaho

  • 2815 Garrett Way
  • Suite C - 83201
  • Phone: 208.237.3400
  • Fax: 208.237.3449

Pullman, Washington

  • 6 O'Donnell Road - 99163
  • Phone: 509.339.2000
  • Fax: 509.339.2001

Spokane, Washington

  • 10020 E. Knox Avenue
  • Suite 200 - 99206
  • Phone: 509.891.1904
  • Fax: 509.891.2012

Tri-Cities, Washington

  • 2380 Lindberg Loop
  • Richland, WA 99352
  • Phone: 509.943.2913
  • Fax: 509.339.2001

Twin Falls, Idaho

  • 2332 Eldridge Avenue - 83301
  • Phone: 208.733.8200
  • Fax: 208.733.8201

Williston, North Dakota

  • 322 47th Street West - 58801
  • Phone: 701.572.3324