ISO/IEC 17025:2017 Accredited Calibration


Our Mission

Precision Group aims to demonstrate our capability to provide repeatably excellent service through valid calibration results as they relate to our scope of accreditation.

Excellence in Service

Illinois, Indiana, Wisconsin, Iowa, Kentucky, Missouri

Precision Group LTD. is a full service mobile calibration laboratory that values integrity and excellent service. We provide scale repair, calibration and certification services for our customers all over the midwest. 

ISO/IEC 17025 Accredited

17025 Accredited, Perry Johnson Laboratories

We are committed to quality assurance by operating in accordance to our ISO/IEC 17025 Scope of Accreditation. Click on the PJLA image above for our Accreditation Certificate.

Customer Driven Solutions


 We pride ourselves on our ability to provide solutions tailored to your organizations requirements. From regular PM services to large instrument networks, Precision Group can provide a solution for you. Check out our services page for more information.