National Instruments Corp designs, manufactures, and sells software and hardware platforms to engineers and scientists. Its suite of application software products include NI TestStand, targeted for measurement applications in a manufacturing environment; NI VeriStand, targeted for configuring real-time testing applications; and NI DIAdem, which offers tools to interactively mine and analyze data. The company derives revenue primarily from the sale of hardware, software licenses, and related services. A majority of the firm's revenue is generated in the United States, but it has a presence in countries across the world.