» English as a Foreign Language    The George Washington University offers intensive, advanced, elective, and tutorial ESL courses.    http://www.gwu.edu/~efl

» English in the U.S.A. at the International Language Institute    Offers intensive and semi-intensive ESL and TOEFL preparation in private tutorials and special groups.    http://www.transemantics.com/

» Inlingua Language Service Center    ESL courses, translation, and interpreting for travel, technology, science, business, and pleasure.    http://www.inlinguadc.com/

» International Center for Language Studies    Offers an intensive ESL program and more than 70 foreign languages. Housing assistance and information on living in the city.    http://www.icls.com/

» LADO International College    Offers ESL courses for students and a TEFL Certificate Program for teachers.    http://www.lado.com/

» LanguageOne - English for Foreigners    Offers ESL immersion programs, courses for professionals on pronunciation, accent reduction and public speaking as well as TOEFL preparation courses.    http://languageone.com/eng/engprof.html