Boeing (incl. McDonnell Douglas).
documentedsource_actorPrivate Aerospace Contractors
Real defense prime; absorbed McDonnell Douglas (1997). Phantom Works / X-37B. Named in custody lore, no documented craft link.
Boeing's Phantom Works runs classified aerospace programs (e.g. X-37B spaceplane). McDonnell Douglas merged into Boeing in 1997. Cited in general allegations that contractors hold recovered craft; documented as a company, the custody claim is unproven.