Hellenic Professional Society of Texas
- Houston based, non-profit organization to preserve the culture and heritage of Greece and the spirit of Hellenism. Programs, events, history, links.
- http://www.hpst.org/

Hellenic Professional Society of Illinois
- Mission: to encourage and promote education and learning and to cooperate with other organizations of professional people in promoting the arts, letter and sciences, especially those enhancing the Hellenic spirit and culture. Calendar, photo galleries, sc
- http://www.hpsi.org/