Radio-Keith-Orpheum Corporation
Raff & Gammon
Ragstram Productions
Rainbow
Raleigh King Films
Ralph Ince Productions
Ramo Films, Incorporated
Randolph Film Corporation
R.A. Walsh Company
Rayart Pictures Corporation
Ray Carroll Productions
R-C Pictures Corporation
Realart Pictures Corporation
Realart Pictures, Incorporated
Reciprocity Films
Record
Red Seal Pictures
Reel Comedies, Incorporated
Reelcraft
Regal Films, Limited
Regal Pictures
Regent Feature Film Company
Regent-Film
Regent Film Company
Regia Kunstfilms Company
Reliance Motion Picture Corporation
Religious Motion Picture Foundation, Incorporated
Rellimeo Film Syndicate
Renco Film Company
Renown Pictures
Renowned Pictures
Renters
Republic
Republic Distributing Corporation
Reputable
Rex Beach Productions

Rex Film Company
Rialto
Rialto De Luxe Productions
Rialto Star Feature
Richard Barthelmess Productions
Richard Talmadge Productions
Richard III Film Company, Incorporated
Richard Walton Tully Productions
Richmount Pictures, Incorporated
Riley Brothers
Ritz-Carlton Pictures, Incorporated
RKO Distributing Corporation
Robert Brunton Productions
Robert J. Horner Productions
Robert Kane Productions
Robertson-Cole Company
Robertson-Cole Distributing Corporation
Robertson-Cole Pictures Corporation
Robert Thornby Productions
Robert Warwick Film Corporation
Robert W. Paul
Rockett Film Corporation
Rockett-Lincoln Film Company
Roland West Films
Rolfe Photoplays, Incorporated
The Rolin Film Company
Roma
Rosie Film Company
Rossi & Company
Rothacker Film Manufacturing Company
Royal
Ruffells
Rus’
Russell Productions
Ruth Roland Serials, Incorporated

See also:
Ray, Charles  >  Charles Ray Productions
Read Jr., J. Parker  >  J. Parker Read Jr. Productions
Red Feather Photoplays  >  The Universal Film Manufacturing Company, Incorporated
RKO  >  Radio-Keith-Orpheum Corporation and RKO Distributing Corporation
Roach, Hal  >  The Rolin Film Company and Hal Roach Studios, Incorporated
Robbins, Jess  >  Jess Robbins Productions
Rolfe, B.A.  >  Rolfe Photoplays, Incorporated
Rork, Sam  >  Sam E. Rork Productions