Radiobar - RADIOBAR CO. OF AMERICA, 296 Broadway, New York, N.Y. (also of Los Angles, Calif.)

RADIO CHASSIS MFG. CO., 34 E. 12 St., New YORK, N.Y.

Radiochron - CLAGO RADIO CORP.

Radio Compass - HALLICRAFTERS CO.

Radiodyne - WESTERN COIL & ELECTRICAL CO.

Radio-Keg - R. K. RADIO LABS., INC.

Radiola - RCA

Radio Master - CONTINENTAL RADIO & TELEV. CORP. RME - RADIO MFG. ENGINEERS, INC., 111 Hamson St., Peoria, Ill.

RADIO PRODUCTS CORP., - Camden, Continental, Coop (1958), Crusader, Dayrad, Supertone, 3800 W. Cortland St., Chicago, Ill,

RADIO PRODUCTS SALES CO., - Clipper, 238 W. 15 St, Los Angeles, Calif.

RADIO SHOP, Echophone, Meteor, Sunnyvale, Calif.

RADIO TRANSCEIVER LABS., 86-27 115 St., Richmond Hill, New York

Radiotrope - U. S. RADIO & TELEVISION CO.

RADIO WIRE & TELEVISION, INC., - Lafayette, 100 Sixth Ave., New York, N.Y.

Radolek, General, Keystone, King, Marvelo, Ozarka, Pioneer, RADOLEK CO., 601 W. Randolph St., Chicago, Ill. (WALTER C. BRAUN, INC.)

Ramway - ELECTRICAL RESEARCH LABS., INC.

Ranger - BROWN & MANHART CO., Los Angeles, Calif.

Rauland - RAULAND CORP., 3333 Belmont Ave., Chicago, Ill. (as of 1943, Rauland was no longer manufacturing radio receivers, but manufacturing sound system amplifiers only)

RCA, RCA-Victor, Radiola - RADIO CORP. OF AMERICA, RCA VICTOR DIVISION, Camden, New Jersey

Recordio - WILCOX-GAY CORP.

Regal - KINGSTON RADIO CO., INC.

R.E. LACAULT - Phenix (Phenix Radio Corp., 124E 25th. St., New York, NY)

Remington - DUNN-HALL CO.

Remington (1930-31) - BUCKINGHAM RADIO CORP.

Remler, Norco - REMLER CO., LT'D., 2101 Bryant St., San Franscisco, Calif.

Reo-Philco - PHILCO RADIO & TELEV. CORP.

Reveler - CROSLEY RADIO CORP.

Riverside - WARWIClK MFG. CO.

R. K. RADIO LABS., INC., Arkay, Majesco, Radio Reo, 6300 Northwest Highway, Chicago, Ill.

RME - RADIO MFG. ENGINEERS, INC.

Road Chief - sec DETROLA RADIO & TELEV. CORP.

Road Master - DETROLA RADIO & TELEV. CORP.

Roamio - CROSLEY RADIO CORP.

Roamer - ALLIED RADIO CORP., and FIRESTONE TIRE & RUBBER CO.

ROCK-OLA MFG. CO., 800 N. Kedize Ave., Chicago, Ill.

Rondeau - CROSLEY RADIO CORP.

Royal (before 1932) - KENNEDY, COLIN B., CO

Royal - KING MFG CORP.

Royale - ROYALE RADIO MFG. CO., 1417 W. Pico St, Los Angles, Calif.