Language Testing International is the exclusive licensee of the American Council on the Teaching of Foreign languages (ACTFL). ACTFL is a leader in the development of proficiency testing instruments and the training of language professionals in proficiency-based teaching and testing. ACTFL licensed LTI to act as the official ACTFL Testing Office in 1992. Since then, LTI has organized and administered proficiency assessments for hundreds of companies, universities, State Boards of Education and other state and federal government agencies. Clients have included the Defense Language Institute and the Department of Homeland Security. LTI conducts hundreds of thousands of language proficiency assessments every year and delivers testing in over 40 countries.