- ELS Language Center https://www.els.edu/
- University of Illinois – Chicago http://www.uic.edu/depts/tie/index.html
- Loyola University Chicago https://www.luc.edu/esl/
- Kaplan International https://www.kaplaninternational.com/
- Bridge English English Language Center Denver, Colorado https://bridgeenglish.com/
- Spring International Language Center Littleton, Colorado https://www.spring.edu/index.html
- Conversa Language Center Cincinnati, Ohio https://conversa.edu/
- Wesli –Madison http://www.wesli.com/
- St.Louis University https://www.slu.edu/index.php GLI- St.Paul Minneapolis http://www.gli.org/intensiveenglish.html
