Riley Research Co. of Santa Monica, California.

Manufacturer of "Rilex" 2 1/4" x 3 1/4" aluminium, non-folding press film cameras in the late 1940's. Known models are called A, AB & B.

Press cameras made in the United States of America

Beseler 4x5 Press Camera | Burke & James 4x5 Speed Press | Busch 4x5 Pressman | Busch 6x9 Pressman | Busch Pressman Model C | Busch Pressman Model D | Graflex Speed Graphic | Meridian 45A | Meridian 45B | Omega 120 | Printex Press | Rilex