What we offer

Calibration Services

On site volumetric proving and calibration


  • Three River Safety Trained & Certified
  • North American Substance Abuse Program Compliant
  • Transportation Workers Identification Card (TWIC)
  • Credentialed Technicians
  • Weights & Measures Certified in IL, IN, WI, MI, OH, MO & IA
  • NIST Traceable Volumetric Provers: 1 to 1,500 Gallons


  • Field calibration using volumetric provers up to 6" line size.
  • In-house calibration using volumetric provers up to 2" line size.
  • Certified volumetric provers from 1 gallon to 1,500 gallons.
  • Additive injector calibration.
  • Automatic Temperature Compensator calibration.