Silent Studio Directory - 97 - 42nd Street, New York; distributed for Eiko Film GmbH of Germany with W. H. Rudolph as general manager. Eiko Film GmbH - GERMANY - 1912-1927 - production and distribution company. El Dorado Feature Film Co. - US - 1915 - production company with studio and offices located at 40 West Mountain Street, Pasadena, California. El Dorado Productions - US - 1928-1929 - production company. El Paso Feature Film Co. - 1914 - production company owned by Dr. Charles A. Pryor; released Great Mexican War with several battle scenes and then arrested. Electragraff Co. of Philadelphia - US - 1910 - production company located at 2556 North 24th St., Philadelphia, Pennsylvani; formerly known as Motograff Co. of Philadelphia. Elfelt Productions - US - 1923- 1926 - [see Clifford S. Elfert Productions.]