| cabb.org | California Association of Business Brokers |
| ca-pc.org | California Association of Personnel Consultants |
| cabln.org | California Business Leadership Network |
| cpcachiefs.org | California Police Chiefs Association |
| cipa.org | California Independent Petroleum Association |
| cioma.com | California Independent Oil Marketers Association (CIOMA) |
| chi.org | California Healthcare Institute |
| calsaga.org | Calsaga |
| californiaspaceauthority.org | California Space Authority (csa): Space Enterprise Network[sm] |
| csea.org | California Society of Enrolled Agents |