Sigma Chi - Naples Alumni Chapter
- Serving the southwest Florida coast. Includes chapter information, calendar of events, foundations, meeting times and locations, and an officers list with contact information.
- http://www.naplessigs.com/

Sigma Chi - Memphis Alumni Chapter
- Serving the greater Memphis area. Includes a membership directory, announcements, upcoming events, and contact information.
- http://www.sigmachimemphis.com/

Sigma Chi - Brown University Alumni
- Alumni association and house corporation for the Beta Nu Chapter of the Sigma Chi Fraternity at Brown University, Providence, RI.
- http://www.brownsigmachi.org

Sigma Chi - Chapters in Texas
- A resource of Sigma Chi chapters throughout the state of Texas - undergraduate and alumni. Site includes an index of undergraduate and alumni Web sites, a calendar, news, and a guest book.
- http://www.lonestarsigs.com/

Sigma Chi - Northern New Jersey Alumni Chapter
- Serving the northern New Jersey area. Includes meeting time and location, news, activities / events, and pictures.
- http://www.nnjsigmachi.com

Sigma Chi - Central Florida Alumni Chapter
- Serving central Florida. Includes membership information, an officers list, meeting information, events, a newsletter, and contact information.
- http://www.orlandosigmachi.com/

Sigma Chi - Kansas City Alunni Chapter
- Serving the Kansas City area. Includes news, a calendar of events, links, and contact information.
- http://www.kcsig.com/

Sigma Chi - Toronto Alumni Chapter
- Serving the greater Toronto, Ontario area. Includes meeting times, newsletter, and contact information.
- http://www.sigmachi.ca/toronto_alumni/home.html

Sigma Chi - Clarksville Alumni Chapter
- Serving the Clarksville area. Includes chapter news, meeting information, an officers list, and contact information.
- http://www.asigiam.com/

Sigma Chi - Charleston Alumni Chapter
- Serving the Charleston area. Includes meeting information, news, upcoming events, and contact information.
- http://www.charlestonsigs.org/

Sigma Chi - Hudson Valley/New York City Alumni Chapter
- Serving the greater Hudson Valley and New York areas. Includes chapter information, online enrollment form, meeting information, and contact information.
- http://www.sigs.org/

Sigma Chi - Omaha Alumni Chapter
- Serving the Omaha area. Includes newsletters, meeting information, bulleting board, and contact information.
- http://www.omahasig.com/

Sigma Chi - Detroit Alumni Chapter
- Serving the greater Detroit area. Includes chapter information, membership enrollment information, an events list, and contact information.
- http://www.detroitsig.com/

Sigma Chi - Phoenix Alumni Chapter
- Serving the greater Phoenix area. Includes meeting times and location, activities, mentor program information, job postings, an email list, and contact information.
- http://www.phoenixsig.org/

Sigma Chi - North Texas Alumni Chapter
- Serving the North Texas (Denton) area. Includes meeting times, chapter news, and contact information.
- http://www.sigmachi.net/

Sigma Chi - Chattanooga Alumni Chapter
- Serving the Chattanooga area. Includes membership information, news, events, and contact information.
- http://www.sigalum.com/

Sigma Chi - Mid-Cities Alumni Chapter
- Serving the Dallas/Fort Worth/Arlington metropolitan areas. Includes meeting times and locations, a membership directory, calendar of events, photo album, newsletters, and membership enrollment information.
- http://www.sigmachialumni.org/