| Manufacturers (266) | Years of activities |
|---|
| R. & R. Mfg. Co. [Benton Harbor, MI, USA] | 1928 |
| R. & S. Co. [New York, NY, USA] | 1929 |
| R. Franco [Recreativos Franco] [Madrid, Spain] | 1973 to 2008 |
| R3 Interactive | 2000 |
| Raccoon [Japan] | 1994 |
| RacerMate | 1995 |
| Rack It Hewson | 1988 |
| Radi-O-Nic Corp. [New York, NY, USA] | 1929 |
| Radica Games | 2004 |
| Radical Ent. | 1995 |
| Radio Chef, Inc. [Chicago, IL, USA] | |
| Radio Corp. of America [Camden, NJ, USA] | 1932 to 1947 |
| Radio Matic of America Inc. [Indianapolis, IN, USA] | |
| Radiotel Service Co. [Los Angeles, CA, USA] | 1946 |
| Radofin [Germany] | 1976 |
| Rage | 2001 to 2002 |
| Railway Automatic Sales Co. | 1898 |
| Rain Ent. | 2011 |
| Rainbow Crane, Inc. [Lecanto, FL, USA] | |
| Rainbow Games | 1989 |
| Rainbow Vision | 1983 |
| Rait Electornics [Christchurch, New Zealand] | 1982 |
| Raizing | 1993 to 1996 |
| RAL | |
| Rally [Nice, France] | 1961 to 1969 |
| Ramsdell Engineering Corp. [Baltimore, MD, USA] | 1960 |
| Ramtek Corp. [Sunnyvale, CA, USA] | 1973 to 1978 |
| Ranco Automaten [Switzerland] | 1980 |
| Randall Co. [A.L. Randall] | |
| Randall, Jr. [Alfred H. Randall, Jr.] [Philadelphia, PA, USA] | 1893 |
| Range Rider Co. [Kansas City, MS, USA] | 1952 |
| Rapid Specialty Co. [Cedar Rapids, IA, USA] | 1931 |
| Rare, Ltd. | 1987 to 1992 |
| Rare-Compedia, Inc. | 1994 |
| Rassen [Korea] | 2010 |
| Rast & Son [Felix Q. Rast] [New York, NY, USA] | 1919 |
| Raster Elite | 1994 |
| Raster, Ltd. | |
| Rastersoft | 2000 |
| Rathbun Bros. | |
| Raven Electronics | 1966 to 1968 |
| Ravensburger Interactive | 2000 to 2001 |
| Raw Thrills [Skokie, IL, USA] | 2004 to 2013 |
| Ray | 1997 |
| Ray [Espoo, Finland] | 1986 to 2010 |
| Ray [John A. Ray] [Kissimmee, FL, USA] | 1924 |
| Ray Force | 1993 to 1994 |
| Raya Systems | 1992 to 1995 |
| Razorsoft | 1990 to 1992 |
| RCA [USA] | 1977 |
| RCA Victor [USA] | 1929 |
| RDI Video Systems | 1984 |
| ReadySoft, Inc. [Japan] | 1990 to 1996 |
| Realtec | 1993 to 1995 |
| Realtime Games Software | 1985 |
| Rebufa Co. | |
| Recel s.a. [Madrid, Spain] | 1974 to 1984 |
| Recreational Games | |
| Recreativos Cuevas [Spain] | |
| Recreativos Del, S.a. [Spain] | |
| Recreativos Lider [Spain] | |
| Recreativos Presas [Spain] | |
| Recreativos Valencia S.L. [Spain] | |
| Red Baron Amusements [Australia] | 1980 |
| Red Corp. | 1988 |
| Red Gaming, Ltd. [Barcrest Group] [Birmingham, England, UK] | 2003 to 2011 |
| Red Orb Ent. [The Learning Co.] | 1999 |
| Red Seal Peanut Vending Co. [New York, NY, USA] | 1904 |
| Red Shift | |
| Red Star Sanitary Vending Machine Co. [Davenport, IA, USA] | 1904 to 1917 |
| Red Storm Ent. | 1999 to 2001 |
| Redco Products Corp. [La Cross, WI, USA] | 1930 |
| Redgrave [M. Redgrave] [Jersey City, NY, USA] | 1871 to 1902 |
| Rediffusion | 1992 |
| Redpoint Systems | |
| Reel Profits, Inc. [Englewood, CO, USA] | 1967 |
| Reel-O-Ball Co. [Dayton, OH, USA] | 1933 |
| ReFinders [Highland Park, IL, USA] | 1987 |
| Reflex Gaming, Ltd. | 2009 |
| Regal Mfg. Co. [Whitewater, WI, USA] | 1947 to 1950 |
| Regal Products Co. [WI, USA] | 1939 |
| Regina Music Box Co. [Rahway, NJ, USA] | 1902 to 1915 |
| Reichert [Richard Reichert] [Dresden, Germany] | 1925 to 1930 |
| Reid Slot Machines [G.H. Reid] [Cleveland, OH, USA] | 1893 |
| Reimer & Laucke-Siemens | 1949 |
| Reiner, Pelzer & Co. | |
| Reisinger Machine Works, Inc. [USA] | |
| Reitz [J. Reitz] [Düsseldorf, Germany] | 1951 to 1960 |
| Reliable Coin Machine Exchange [Chicago, IL, USA] | 1928 |
| Reliable Confections [Chicago, IL, USA] | 1902 |
| Reliable Engineering Co. [Chicago, IL, USA] | |
| Reliable Metal Engineering Co. [Chicago, IL, USA] | 1947 |
| Reliable Nut Co. [Los Angeles, CA, USA] | 1934 |
| Reliable Vending Machine Co. [Los Angeles, CA, USA] | 1939 |
| Reliance Mfg. Co. [New Haven, CT, USA] | 1895 |
| Reliance Novelty Co. [San Francisco, CA, USA] | 1896 to 1898 |
| REM | 1985 |
| Remington Service-Machines, Inc. [Ilion, NY, USA] | 1927 |
| Remington Standard | |
| Renaud [Emile Renaud] | 1889 |
| Renegade Software | 1992 to 1993 |
| Rennert Novelty Co. [Detroit, MN, USA] | 1902 |
| Rennotte [Gembloux, Belgium] | 1956 to 1958 |
| Reno | 1991 |
| Renouf Mfg. Corp. [Chicago, IL, USA] | 1938 |
| Renovation | 1990 to 1993 |
| Rentacom | |
| René Pierre [Chalon-sur-Saône, France] | 1955 to 1982 |
| Reppman & Schade [Germany] | 1908 |
| Reppmann [UK] | 1908 |
| Reston Software | 1983 |
| Retco Mfg. Co. [Mose Lake, WA, USA] | |
| Retereale Srl [Italy] | 2009 |
| Retlaw Co. | |
| Retro Pinball LLC [USA] | 2008 |
| Revco, Inc. [Deerfield, MI, USA] | |
| Reverge Labs | 2013 |
| Revo [Tokyo, Japan] | 2009 |
| Rex Cigar Vending Co. [Washington, DC, USA] | 1899 to 1900 |
| Rex Mfg. & Sales Corp. [Syracuse, NY, USA] | 1944 to 1945 |
| Rex Mfg. Co. [Erie, PA, USA] | 1924 |
| Rex Novelty Co. [Chicago, IL, USA] | 1923 to 1937 |
| Rex Soft | |
| Reynolds [William Reynolds] | 1887 |
| RFT-VEB Funkwerk [Erfurt, Germany] | 1964 to 1965 |
| RGCD | 2011 to 2012 |
| RH Electronics | |
| RH Soft | |
| Rheinland | 1952 |
| Rhodes [UK] | 1911 |
| Rialto Sales Co. [Chicago, IL, USA] | 1938 |
| Rich [John G. Rich] [Auburn, NY, USA] | 1891 |
| Rich [Wilfrid B. Rich] [USA] | 1895 |
| Rich's | |
| Richard Mfg. Co. | 1932 |
| Richards [R.C. Richards] [UK] | 1913 |
| Richie & Jamison [Arthur J. Richie & Albert W. Jamison] [Toledo, OH, USA] | 1903 |
| Richter & Co. [F.A. Richter] [Rudolfstadt, Germany] | 1905 |
| Richuang Technology Development Co., Ltd. [Guangdong, China] | 2008 to 2010 |
| Richwine & Co. | |
| Rick | 1999 to 2003 |
| Ricochet [Mastertronic Group] [UK] | 1985 to 1988 |
| Ride & Show Engineering, Inc. | 1993 |
| Riemer [Eugen Riemer] [Chemmitz, Germany] | |
| Right Stuff | 1992 to 1995 |
| Riley Leisure | |
| Ringo Mfg. Co. | |
| Riot | 1991 to 1992 |
| Ristaucrat Mfg. Co. [Kaukauna, WI, USA] | 1931 to 1951 |
| Ritter-Walsh Co. [Chicago, IL, USA] | 1930 |
| Riverdale | 1986 |
| Riverhill Software | 1990 to 1997 |
| Riviera | |
| Rix Soft | 1987 |
| RMG [Renato Montanari Giochi] [Bologna, Italy] | 1970 to 1976 |
| Ro-Bo Sales Corp. | 1929 |
| Robbins & Co. [D. Robbins] [Brooklyn, NY, USA] | 1927 to 1940 |
| Robbins & Co. [London, England, UK] | 1894 to 1913 |
| Robby | |
| Robco Corp. [New York, NY, USA] | 1949 |
| Roberson | 1967 to 1968 |
| Roberto Sport [Italy] | |
| Roberts [Otis A. Roberts] [Oklahoma City, OK, USA] | 1929 |
| Roberts Novelty Co. [Utica, NY, USA] | 1929 |
| Robertson [UK] | 1898 |
| Robico | 1984 to 1988 |
| Robinson Novelties [Earl A. Robinson] [Providence, RI, USA] | 1909 |
| Robot Instrument Co. [Cleveland, OH, USA] | 1931 |
| Robotic Amusements, Inc. | 2006 |
| Robtek | 1986 |
| Roc-A-Rides Sales [Philadelphia, PA, USA] | 1952 |
| Roche Novelty Co. [Fort Wayne, IN, USA] | 1932 |
| Rock-Ola Mfg. Co. [Chicago, IL, USA] | 1927 to 1930 |
| Rock-Ola Mfg. Corp. [Chicago, IL, USA] | 1930 to 1999 |
| Rocket Co. [Japan] | 2003 to 2005 |
| Rocket Games | 2000 to 2001 |
| Rocket Gaming Systems | 1999 to 2012 |
| Rocket Science Games | 1994 to 2004 |
| Rockstar Games | 1999 to 2004 |
| Rockwell | 1977 |
| Rocky | 2008 to 2009 |
| Rod Radio Mfg Co. [Chicago, IL, USA] | 1947 |
| Rodeo Corp. [Japan] | 2000 to 2013 |
| Roever [Julius Roever] [Brooklyn, NY, USA] | 1894 |
| Roger Deforest | 1992 |
| Rogers [Jack Rogers] | 1959 to 1961 |
| Rogers Mfg. Co. [New York, NY, USA] | 1904 |
| Rogers Verybest Mfg. Co. [New York, NY, USA] | 1909 to 1910 |
| Rohde & Mueller [William Rohde & Edward V. Mueller] [Cincinnati, OH, USA] | 1905 |
| Rohrs [M. Röhrs] | 1931 |
| Roklan | 1983 |
| Rola-Ball Vending Machine Co. [St. Louis, MO, USA] | 1939 |
| Roll-Etto Novelty Co. [Chicago, IL, USA] | 1933 |
| Roll-O-Matic, Inc. | |
| Roller Tron Corp., Ltd. | 1988 |
| Romagna Giochi srl [Faenza, RA, Italy] | |
| Romand [P. Romand] [Paris, France] | 1910 to 1914 |
| Romans & Grover [John G.W. Romans & Albert D. Grover] [Malden, MS, USA] | 1898 |
| Romar | |
| Romco & Associates, Inc. [Minneapolis, MN, USA] | |
| Romhack | 2004 |
| Romik Software, Ltd. | 1983 to 1985 |
| Romox | 1982 to 1984 |
| Romstar, Inc. [USA] | 1985 to 1996 |
| Romtec Co., Ltd. | 1998 |
| Ron LLoyd | 2002 |
| Rondreux [G. Rondreux] [Moulins, France] | |
| Ronen Habot | 2002 |
| Roovers Bros. [Brooklyn, NY, USA] | 1892 to 1905 |
| Rordort [J. Rordort] | |
| Rose City Importing Co. [Portland, OR, USA] | 1911 |
| Rosen, Inc. [David Rosen] [Philadelphia, PA, USA] | 1947 to 1967 |
| Rosenfield Mfg. Co. [New York, NY, USA] | 1894 to 1908 |
| Rosenkranz [Walter Rosenkranz] [Leipzig, Germany] | 1930 to 1954 |
| Rossmoller | |
| Roth & Langley | |
| Roth [J.M. Roth] [Brooklyn, NY, USA] | 1935 |
| Rothschilds & Sons [R. Rothschilds] [New York, NY, USA] | 1889 |
| Rotor Table Games, Inc. [New York, NY, USA] | 1936 |
| Rotuor Co. | 1880 |
| Roulette Clock Co. [Chicago, IL, USA] | 1957 |
| Roundvision Corp. [Japan] | 2007 |
| Rowamet | 1982 to 1983 |
| Rowe International, Inc. [Whippany, NJ, USA] | 1967 to 1979 |
| Rowe Mfg. Co., Inc. [USA] | 1935 to 1966 |
| Rowe Vending Machine [Los Angeles, CA, USA] | |
| Rowland & Son [A. Rowland] [London, England, UK] | 1885 |
| Rowley & Co. | 1894 |
| Roxor Games, Inc. | 2004 to 2007 |
| Roy Abel & Associates | 1984 |
| Roy Stringer Co., Ltd. [Indianapolis, IN, USA] | 1931 |
| Royal Bell, Ltd. | 1985 to 1996 |
| Royal Cabinet Works | |
| Royal Card Machine Co. [San Francisco, CA, USA] | 1897 |
| Royal Casino Antiques | 1980 |
| Royal Denshi | 1984 |
| Royal Engineering Co. [Inglewood, CA, USA] | 1952 |
| Royal Gum Co. | 1915 |
| Royal Kougyou | 1986 |
| Royal Mfg. Co. [Jersey City, NJ, USA] | 1933 |
| Royal Mfg. Co. [San Francisco, CA, USA] | 1956 |
| Royal Novelty Co. [Baltimore, MD, USA] | 1932 to 1933 |
| Royal Novelty Co. [Indianapolis, IN, USA] | 1921 to 1930 |
| Royal Novelty Co. [San Francisco, CA, USA] | 1902 to 1907 |
| Royal Scale Co. [Jersey City, NJ, USA] | 1933 |
| RS Co., Ltd. | 2006 to 2010 |
| RSoft | |
| Rubini Cigar Co. [Chicago, IL, USA] | 1936 |
| Rubusch [Heinz Rubusch] | 1960 |
| Rudd-Melikian, Inc. [Philadelphia, PA, USA] | |
| Rudolph [Henry G. Rudolph & Albert H. Rudolph] [Cleveland, OH, USA] | 1897 |
| Ruff Co. [F.A. Ruff] [Detroit, MI, USA] | 1900 to 1904 |
| Ruffler & Walker | 1949 to 1953 |
| Ruhr Automaten | 1951 to 1952 |
| Rule [John A. Rule] [Mount Washington, OH, USA] | 1895 |
| Rumatic, S.a. [Spain] | |
| Rumiano | |
| Runyon Sales Co. [Newark, NJ, USA] | 1942 to 1948 |
| Rush Metal Co. [Lafayette, IN, USA] | 1945 |
| Rushour Co. [Madison, WI, USA] | 1928 to 1929 |
| Rydquist [Adolph Rydquist] [Rochester, NY, USA] | 1904 |
| Ryede Specialty Works [Rochester, NY, USA] | |
| Ryoto Electric Co. [Japan] | 1980 |
| Ryouta Kikaku | 1991 |
| Ryullim [Korea] | 1997 |
| RZ Bologna | 1979 |
