National Instruments, a leading provider of software-connected automated test and measurement systems. Explore our hardware and software solutions. The NI, formerly the National Instruments Corporation, is an American multinational company headquartered in Austin, Texas. NI is the producer of automated test equipment, semiconductor production equipment, and virtual instrumentation software. NI | Complete NiSource Inc. stock news by MarketWatch. View real-time stock prices and stock quotes for a full financial overview. In 2023, Emerson acquired NI and introduced its new Test & Measurement business group. NI and Emerson share commitments to continuous innovation, operational excellence, and sustainability. In 2023, Emerson acquired NI and introduced its new Test & Measurement business group. NI and Emerson share commitments to continuous innovation, operational excellence, and sustainability. Emerson has closed its acquisition of NI, a leading provider of software-connected automated test and measurement systems. Schedule NI - Emerson Test & Measurement certification exams for engineering and test automation professionals. Take National Instruments (NI) certification examinations with Pearson Professional Assessments (formerly Pearson VUE). Native Instruments is a leading manufacturer of software and hardware for computer-based audio production and DJing. Ninite downloads and installs programs automatically in the background. Develop test systems faster than ever with NI Nigel AI. Next month, be among the first to see new Nigel AI features in the LabVIEW+ Suite, including prompt- based code generation in LabVIEW, sequence generation in TestStand, and expanded integration across our core software. Learn more and register: VI Technologies and 4.