Alumni Chapters, Associations and Clubs
| Chapter | Organization Type | City | State/Prov. | Province | Website | Founding Date |
|---|---|---|---|---|---|---|
| Elliott Bay Alumni | Alumni Club | Seattle | WA | Northwestern | ||
| Seattle Alumni | Alumni Chapter | Seattle | WA | Northwestern | seattlesigmachi.com | November 04, 1908 |
| Tacoma Alumni | Alumni Chapter | Tacoma | WA | Northwestern | sigmachi-tacoma.org | April 06, 1911 |
