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Diamond E Testing and all its personnel are certified by the Western Alliance for Quality Transportation Construction (WAQTC). This allows us to test in Oregon, Washington, Idaho, Utah, Colorado, Montana, New Mexico, Texas, Alaska, and Hawaii. Many of our technicians are also certified by additional organizations including The American Concrete Institute (ACI), and the International Code Council (ICC).


  • Aggregate Technicians

  • Asphalt Mix Design Technicians

  • Asphalt Technicians

    • (Levels 1 & 2 Available)

  • Concrete Testing Technicians

  • Concrete Field Testing Technicians

  • ​​Concrete Testing Technicians

  • Concrete Strength Testing Technicians

  • Density Technicians

  • Embankment Technicians

  • Quality Control Technicians

  • Supervising Laboratory Technicians


  • ​Concrete Field Testing Technicians

  • Concrete Strength Testing Technicians

  • Aggregate Testing Technicians

  • Concrete Laboratory Testing Technicians

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