NSI-MI Technologies LLC - formerly dba MI Technologies - is an engineering firm developing antenna, RF and microwave testing equipment. Headquartered in Suwanee, Georgia but with facilities also elsewhere in GA, in Torrance, CA, and in the UK, the company has experience and expertise in microwave technologies, electromagnetic propagation and mechanical systems design to provide complete antenna test systems for aerospace, defense, wireless communications, and transportation industries as well as academia and research institutions. The company's products range from system solutions, antennas, mechanical solutions, electronic solutions, softwares, and testing services. Solutions have been applicable for the large number of industries requiring antennas and RF hardware - to include (among others) automotive, satellite, defense, aerospace and wireless. In May 2021, it was announced that - to strengthens their test and measurement platform - AMETEK (NYSE:AME) would acquire NSI-MI to become a part of the former's Electronic Instruments Group (EIG) - a leader in advanced analytical, monitoring, testing, calibrating and display instrumentation.