Companies that make (or have made) planetarium projectors include Carl Zeiss Jena (Germany), Spitz (US), Goto and Minolta (Japan), Evans & Sutherland (US), and Ohira Tech (Japan).
Hayden Planetarium | Movie projector | movie projector | Video projector | London Planetarium | Strasenburgh Planetarium | Image projector | video projector | Slide projector | Planetarium of Bogotá | Planetarium Negara | Pink Palace Museum and Planetarium | Megastar (projector) | Johannesburg Planetarium | Book cover on Dresden's planetarium (graphics: Friedrich Kurt Fiedler | Adler Planetarium |