PQ Systems is a company specializing in quality improvement and control solutions. Established in 1984, it provides software and services that help organizations manage their quality processes and compliance requirements effectively. PQ Systems offers tools for statistical process control (SPC), gauge management, measurement systems analysis, and charting, enabling businesses to enhance product quality and operational efficiency. Their flagship products include SQCpack, which focuses on SPC, and GAGEpack for calibration management. With a global presence, PQ Systems serves various industries, including manufacturing, healthcare, and education, supporting their continuous improvement efforts.