| Allin Bros. |
| Althouse Bros. Real Estate. |
| California Institute of Technology. |
| Chittenden & Kotting. |
| Coulter Dry Goods Company. |
| Curlett and Beelman. |
| Frick Co. |
| George E. Richardson Plumbing. |
| Greene & Greene. |
| Hadden Sprinkler Co. |
| Licensed Motor Car Dealers Association of Los Angeles. |
| Madison Cooper Company. |
|
| Pacific Fire Extinguisher Co. |
| Pacific Mfg. Co. |
| Pacific Southwest Trust & Savings Bank. |
| Parkinson and Bergstrom. |
| Pasadena Hospital Association. |
| Pasadena Ice Company. |
| Pasadena Security Investment Company. |
| Pomona Valley Ice Company. |
| Postle & Waddingham. |
| South Pasadena Realty and Improvement Co. |
| Western Blind & Screen Co. |
| Whitworth Corporation |
|