- Ross, M. H.1,003
- Christopher, Paul R., 1910-197467
- Willimetz, Emil, 1918-20039
- Chase News Photo (Washington, D.C.)8
- Central Studios (Atlantic City, N.J.)4
- Lane Brothers Commercial Photographers (Atlanta, Ga.)4
- Congress of Industrial Organizations (U.S.)2
- Lasse Film Center2
- Nate Fine Photo (Washington, D.C.)2
- Textile Workers Union of America2
- Archer, Alexander1
- Gladys Gilbert Studio1
- Hartman Studio1
- International Union of Electrical, Radio and Machine Workers1
- Lane Brothers Commercial Photographers1
- Magniez, E.1
- McGill, Eula, 1911-20031
- Moffett Studio1
- Reiss, Sam1
- Tyler Studios1
