Sigma Phi Delta - Rutgers University - Omega Chapter
- News, brothers, rush information, events.
- http://www.sigphi.org/omega/

Sigma Phi Delta - Delaware, University of - Psi Chapter
- Established in 1999.
- http://www.sigphipsi.com

Sigma Phi Delta - Illinois, University of - Delta Chapter
- Founded in Champaign-Urbana on Wednesday, January 25, 1928. News, history, member list, calendar of events, recruiting information, and photographs.
- http://www.sigphis.org/

Sigma Phi Delta - Tri-State University - Kappa Chapter
- In Angola, Indiana.
- http://www.sigphi.org/kappa/

Sigma Phi Delta - British Columbia, University of - Theta Chapter
- Founded April 24, 1932.
- http://www.sigphi.org/theta/

Sigma Phi Delta - South Dakota State University - Phi Chapter
- Founded in 1991.
- http://www.sigphi.org/phi/

Sigma Phi Delta - Vancouver Alumni Chapter
- Chartered in Vancouver, British Columbia, on Thursday, February 12, 1948. Meeting minutes, member profiles, coming events, and photographs.
- http://www.sigphi.org/vancouver/

Sigma Phi Delta
- An international social and professional fraternity of engineers. Official site.
- http://www.sigphi.org/