Silent Studio Directory - 186 - Mac Lean Productions - UK - 1924 - production company formed by Hugh Mac Lean and located in London. Mac Manus Corporation - US - 1919 - production company located at No. 2 West 47th St., New York. Macauley Photoplays, Inc. - US - 1919-1921 - production company with offices at 516 Fifth Ave., New York and I. W. Hellman Bldg., Los Angeles, California; C. R. Macauley was president and general manager. Mack Sennett Productions - US - 1918-1928 - production company located at 1712 Glendale Blvd, Los Angeles, California; specialized in comedies. Mack Swain Comedies - US - 1921 - trade name for two reel comedies featuring Mack Swain and distributed by Herald Productions. Macnamara Feature Film Co., Inc. - US - 1914 - production company formed by Walter Macnamara and located at 126 W. 46th Street, New York. Madoc Sales Co. - US - 1923-1925 - distribution company located in New York specializing in westerns. Magnet Comedies - US - 1914- 1915 - trade name for comedy shorts produced by Sunshine Film Corp.