Phototype manufacturer and typesetting service founded in the 1960s in Culver City, California [1968 catalog] by W. Paul Bailey. Incorporated 12 August 1969 [ca.gov]. Run by Marc Jones [and?] Barry Kimbrough [Oka]. Also spelled LetterGraphics. After 1971, the film products devision was known as Technographics/Film Fonts.
Type Designers International (TDI) was an organization formed in 1972 to license original typeface designs [Graphic Arts Monthly], located at the same address.