Alumni Chapters, Associations and Clubs
| Chapter | Organization Type | City | State/Prov. | Province | Website | Founding Date |
|---|---|---|---|---|---|---|
| Dallas Alumni | Alumni Chapter | Dallas | TX | Northern Texas | dallassigs.org | November 23, 1911 |
| Fort Worth Alumni | Alumni Chapter | Ft. Worth | TX | Northern Texas | fortworthigsalumni.org | October 24, 1955 |
| Mid Cities Alumni | Alumni Chapter | Kennedale | TX | Northern Texas | sigmachialumni.org | March 01, 1982 |
| North Texas Alumni | Alumni Chapter | Dallas | TX | Northern Texas | sigmachi.net | October 28, 1987 |
