Hagen and Double
Hallmark Pictures Corporation
Halperin Productions
Hal Roach Studios, Incorporated
Hamilton Theatrical Corporation
Hammerstein
Handels and Fabriks AB
H & H Productions
Harma
Harma-Clarendon
Harmonie-Film
Harry Garson Productions
Harry Levey Productions
Harry Levey Service Corporation
Hartford Film Corporation
Hasselblad
Hawk Film Company
The Haworth Pictures Corporation
Hayakawa Feature Play Company
Haydon & Urry
Heimdal
Helen Gardner Picture Players
Helen Gibson Productions
Helen Keller Film Corporation
Helgar
Helios Film
Hemmer Superior Productions, Incorporated
Henry W. Savage, Incorporated
Hepworth Film Manufacturing Company
Hepworth Picture Plays
Herald Film Corporation

Hercules Film Productions
Herman Film
Higgins-Longford Films
High Art Productions, Incorporated
Hiller & Wilk
Hi Mark Films
Hirschel-Sofar-Film-Verleih GmbH
Hispano-Film
Historical Film Corporation of America
Holland Film Manufacturing Company
Hollandia Film Corporation
Holmes Producing Corporation
Holtre Productions
Homeland Films
HOM-Film
Hoot Gibson Productions
Hope Hampton Productions, Incorporated
Houdini Pictures Corporation
Howard Estabrook Productions
Hudris Film Company
Hudson Film Company
Hugh E. Dierker Photo Drama Productions
Hugo Ballin Productions, Incorporated
Humanity Story Films
Humanology Film Producing Company
Hunt Stromberg Corporation
Hunt Stromberg Productions
Hurricane Film Company
Hyclass Producing Company
Hy Mayer Productions
Hyperion Pictures Corporation

See also:
Haggar, Walter  >  Walter Haggar
Hamilton, Lloyd  >  Lloyd Hamilton Corporation
Hampton, Benjamin B.  >  Benjamin B. Hampton Productions
Hampton, Hope  >  Hope Hampton Productions, Incorporated
Hampton, Jesse D.  >  Jesse D. Hampton Productions
Hart, William S.  >  The William S. Hart Company and William S. Hart Productions, Incorporated
Harvey, Charles J.  >  Charles J. Harvey
Hatch, J. Frank  >  J. Frank Hatch Enterprises
Hayakawa, Sessue  >  The Haworth Pictures Corporation and Hayakawa Feature Play Company
Henderson, Dell  >  Dell Henderson Productions
Hicks, Seymour  >  Seymour Hicks Productions
Hodkinson, W.W. and Hodkinson Corporation  >  W.W. Hodkinson Corporation
Hofmann, Ernst  >  Ernst Hofmann-Film
Holmes, Helen  >  Holmes Producing Corporation
Holubar, Allen  >  Allen Holubar Productions
Hopkins, Georgia  >  Georgia Hopkins Picture Company
Horsley, David  >  David Horsley Productions
Houdini, Harry  >  Houdini Pictures Corporation and Supreme Pictures Corporation