Zero-G Radiation Assurance is a US-based radiation analysis and testing company. The company operates a radiation database that contains radiation test data from microelectronics parts. It comprises primarily COTS data. The content is searchable by various categories such as the part number, function/description, TID, SEL LET, etc. The database is maintained to be up-to-date and comprehensive of any and all available published data. Zero-G also performs engineering services including radiation testing, radiation analysis, parts selection/assessment, radiation environment simulations, and EEE parts screening analysis.