- Washington Fish & Oyster Co., Inc.2
- Western Oregon Packing Corp2
- Western Oregon Packing Corporation2
- (Dr.) Everette H. Hobson, Robert U. Bronson, and James G. Lewis, copartners trading as the Natural Products Co.1
- A. Giurlani & Bros.1
- A. Giurlani and Bros1
- A. M. Beebe Co.1
- A. M. Crapp1
- A. O. Leonard, New York, N. Y.1
- A. W. Scott Co.1
- Acme Mills Co., a corporation, Portland, Oreg.1
- Acme Mills Company, of Portland, Oreg.1
- Alaska Portland Packers Assoc1
- Albany Creamery Association1
- Alfred Richard Christensen, trading as Junction City Creamery, Junction City, Oreg.1
- Allen & Lewis, Portland, Oreg.1
- Allen Fruit Co.1
- Altoona Packing Co.1
- American Apothecaries Co.1
- American Chicle Co.1