For 30 years PQ Systems has provided the simplest solutions to apply practical statistics to improve quality. Its quality improvement software, training, and services help people in manufacturing, health care, government, and service organizations demonstrate proof of their quality performance. PQ Systems software solutions include statistical process control (SPC), gauge calibration management, measurement systems analysis, document control, quality audit tracking, and problem-solving tools. Headquartered in Dayton, Ohio, PQ Systems has regional offices in the United Kingdom and Australia, and distributors in Costa Rica, India, Ireland, Italy, Mexico, Nigeria, Singapore, and South Africa.