Organizations
- Amana Plan1
- Areo Photos and Survey1
- Army Corp of Engineers,Topographical Bureau1
- Berkeley Police Department1
- Bernal Rancho1
- Blue Lakes Water Co.1
- Boeing1
- Boeing School of Aeronautics1
- California College of Arts and Crafts1
- California Cotton Mills1
- California Historical Survey Commission1
- California Navigation & Improvement Co.1
- California State Civil Service Commission1
- Camron Ranch1
- Camron-Stanford House1
- Castro Rancho1
- Central Pacific Railroad Co.1
- Chabot Valley, Ca.1
- Contra Costa Water Co.1
- Contra Costa Water Company1