Alumni Chapters, Associations and Clubs
| Chapter | Organization Type | City | State/Prov. | Province | Website | Founding Date |
|---|---|---|---|---|---|---|
| Orange County Alumni | Alumni Chapter | Newport Beach | CA | Southern California | ocsig.com | November 13, 1902 |
| San Diego Alumni | Alumni Chapter | San Diego | CA | Southern California | sandiegosigalumni.org/ | January 31, 1938 |
