SELEX may refer to one of the following:

• Selex ES, previously Finmeccanica's defence and security electronics business, now merged into Leonardo-Finmeccanica (new name of Finmeccanica)
• SELEX Sistemi Integrati, previously Finmeccanica's civil and military radar company, which became part of Selex ES (in turn merged into Leonardo-Finmeccanica)
• SELEX Elsag, previously Finmeccanica's military and civil communications systems supplier, which became part of Selex ES (in turn merged into Leonardo-Finmeccanica)
• Systematic evolution of ligands by exponential enrichment, a molecular biology technique used in drug development
• SEgmented Large-X baryon spectrometer EXperiment, a Fermilab study
• Selex Competition, a former constructor of racing cars
• Selex Gruppo Commerciale  [ it ] is an Italian large-scale retailer operating under different brands

This disambiguation page lists articles associated with the title SELEX.
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