• AASHTO Materials Reference Laboratory (AMRL)
• United States Army Corps of Engineers (COE)
• National Calibration Services (NCS)
• Concrete & Cement Reference Laboratory (CCRL)
• Utah Dept. of Transportation (UDOT) 

• American Association of State Highway & Transportation Officials (AASHTO)
• United States Army Corp of Engineers (COE)
• SBA - DBE & MBE UDOT - DBE & MBE
• Utah Transit Authority
• WAQTC - Western Alliance Quality Transportation Construction

• National Bureau of Standards
• AASHTO Material Reference Laboratory (AMRL)
• Cement & Concrete Reference Laboratory (CCRL)

Our equipment certification and calibration is on record with
The National Bureau of Standards through the AMRL program.