Otto Rosenau & Associates, Inc. is a geotechnical and materials testing laboratory. We offer assessment for a wide variety of industrial, commercial, municipal, and residential projects ranging in size and scope. We work with numerous public and private agencies, organizations, and businesses to assure standards and specifications are met and exceeded. Call us now!

Western States Soil Conservation. 29 Years + in business. We perform boring, environmental, geotechnical, mud rotary, auger, HQ, and NQ drilling services all across Oregon, Washington, Idaho and Northern California. We also offer land clearing and other excavation services.

Plating Specialists Since 1947 Experienced People Who Can Improve, Protect, or Restore Metal Anything made of metal can be made more beautiful and more durable by plating and polishing! Mastercraft Metal Finishing is the leader in the Seattle area in the plating/adornment of auto, boat, Motocycles and more.