PQI has been a leading distributor of metrology systems in the upper Midwest for over 30 years. In 2004, we began to expand our calibration service offerings to best serve our customers’ needs. We offer onsite and lab services, and we work daily to provide the highest level of service possible. We are accredited to the ISO/IEC 17025:2017 standard. Continual improvement of our accredited capabilities is our constant goal.