As a dynamic and growing firm, Materials Testing & Inspection prides itself on the quality of its staff which is comprised of trained and talented professionals and many with advanced degrees. Our personnel are certified in their individual specialty areas and participate in ongoing training programs to enhance their personal expertise.

Our specialists include registered civil and geotechnical engineers and geologists, environmentalists, scientists, multi-disciplined materials testing and inspection technicians and inspectors, water and sewer operators, and project managers. A capable and competent administrative staff supports these technical specialists.

MTI is accredited, approved, or affiliated with the following agencies:

International Code Council (ICC)
International Accreditation Service (IAS) ISO 17025
American Association of State Highway and Transportation Officials (AASHTO)
AASHTO Materials Reference Laboratory (AMRL) (AAP)
American Society of Civil Engineers (ASCE)
National Society of Professional Engineers (NSPE)
American Institute of Architects (AIA)
Idaho Association of Professional Geologists (IAPG)
National Institute for Certifying in Engineering Technologies (NICET)
AIHA`s Proficiency Analytical Testing (PAT for bulk and air asbestos)
Society of American Military Engineers (SAME)
U.S. Army Corps of Engineers (USACE)
Registered Environmental Assessors, CA (REA)
American Society of Nondestructive Testing (ASNT)
American Welding Society (AWS)
American Concrete Institute (ACI)
Cement and Concrete Reference Laboratory (CCRL)
Oregon Department of Transportation (ODOT)
Idaho Transportation Department (ITD)
Washington Association of Building Officials (WABO)
Oregon Association of Building Officials (OBOA)

Erosion and Sediment Control Plans (ESC)