A total of 17 NATO member nations participate in the NAEW&CF programme: Belgium, the Czech Republic, Denmark, Germany, Greece, Hungary, Italy, Luxembourg, the Netherlands, Norway, Poland, Portugal, Romania, Spain, Turkey, the United Kingdom and the United States of America.

In addition to these member nations, Canada, France and Lithuania provide military personnel to the E-3A Component (Luxembourg does not provide military personnel). The Force also employs NATO International Civilians from other member nations. All NATO nations contribute to the NAEW&CF employment budget either financially or as contribution in kind.