| Boston University |
| Georgetown University, CLED |
| Office of Human Resources, State of California |
| Kwansei Gakuin University, Nishinomiya, Japan |
| CELE - University of Nottingham, United Kingdom |
| IRTI - National Police Academy, Tokyo, Japan |
| Centro Colombo Americano, Bogota, Colombia |
| National Ministry of Education, Cairo, Egypt |
| Carnegie Mellon University, Pittsburgh, PA |
| Miami Dade Community College, Miami, FL |
| Kaplan Educational Center, New York City |
| Dept. of Foreign Languages, Natl. Tsing Hua University, Hsinchu, Taiwan, ROC |
| Spring International, Littleton, CO |
| University of San Francisco |
| Tokyo International University, Saitama, Japan |
| University of Oregon, Eugene, OR |
| Rikkyo University, Tokyo, Japan |
| Performance Enhancement Institute, Omaha, NE |
| Brigham Young University, Laie, Hawaii |
| American Language Program, The Ohio State University |
| Axon Technology Co. Ltd., Taipei, Taiwan, ROC |
| Complutense University, Madrid, Spain |
| Texas A&M University, College Station, TX |
| Baruch College, CUNY, New York |
| Malkan Consultants, Ltd., Ottawa, Ontario, Canada |
| Bellevue Community College, Bellevue, WA |
| Ta Tong Book Company, Ltd., Taipei, Taiwan |
| Hokkaido Musashi Women's Junior College, Sapporo, Japan |
| IIE, New York City |
| Shinko Tsusho Company, Ltd., Japan |
| Vanderbilt University |
| American University, Washington, D.C. |
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