National Instruments Corporation, or NI, is an American multinational company with international operation. It is a producer of automated test equipment and virtual instrumentation software. Common applications include data acquisition, instrument control and machine vision. National Instruments has equipped engineers and scientists with tools that accelerate productivity, innovation and discovery. NI's graphical system design approach to engineering provides an integrated software and hardware platform that speeds the development of any system needing measurement and control. The company's long-term vision and focus on improving society through its technology ensures the success of its customers, employees, suppliers and shareholders.