Institution
- Richmond-Chase Company1
- Robertshaw Thermostat Company2
- Royal Baking Powder Co.1
- Royal Baking Powder Co., New York1
- Royal Baking Powder Company1
- Royal Baking Powder, New York1
- Royal Baking Powder, Standard Brands Inc1
- Royal Baking Powder, Standare Brands Inc.1
- Rumford Chemical Works1
- Rumford Chemical Works, Providence, Rhode Island1
- Rumford Company, Rumford, Rhode Island1
- Russell-Miller Milling Co.2
- Rutherford Food Corporation2
- SCIAA Collection2
- Schmidt's1
- Sealtest3
- Sears Roebuck and Co.1
- Sears, Roebuck & Co.2
- Servel1
- Shefford1