Alumni Chapters, Associations and Clubs
| Chapter | Organization Type | City | State/Prov. | Province | Website | Founding Date |
|---|---|---|---|---|---|---|
| Austin Alumni | Alumni Chapter | Austin | TX | Central Texas | austin.alumnisigmachi.org | June 01, 1937 |
| Central Texas Alumni | Alumni Chapter | San Marcos | TX | Central Texas | ||
| San Antonio Alumni | Alumni Chapter | Converse | TX | Central Texas | lonestarsigs.com |
