The following is a partial list of governments and other organizations that have selected the LCC at the University of Houston for their students' or employees' English language study since 1975:

International Agencies and Foundations

• Agency for International Development (AID)
• AMIDEAST
• ARAMCO
• Center for International Cultural Studies and Education (Japan)
• Hariri Foundation (Lebanon)
• Institute of International Education
• Mainichi Communications (Japan)
• National Collegiate Network (Japan)

Foreign Governments and Agencies

• Algeria
• Cameroon
• Indonesia
• Iran
• Kuwait
• Malaysia
• Mexico
• Saudi Arabian Educational Mission to the United States
• Thailand
• Scientific Mission of Tunisia
• Turkey
• Venezuela, Fundación Gran Mariscal de Ayacucho

Local and State Agencies in the U.S.

• Houston Police Department
• Texas Rehabilitation Commission

Educational Institutions

• Escuela Normal Superior No. 1 del Estado de México (Mexico)
• Universidad del Oriente (Venezuela)
• University of Texas Health Science Center at Houston-Dental Branch
• University of Texas Health Science Center at Houston-Graduate School of Biomedical Sciences
• University of Texas Health Science Center at Houston-School of Public Health
• Yago School España, S.A. (Spain)

U.S. and Foreign Corporations

• AMSOVCO
• China National Offshore Oil Company (Peoples' Republic of China)
• Huffco Engineering Systems
• Human Resources Development Institute (Costa Rica)
• Igloo Corporation
• International Fabrication and Supply Corp., Inc.
• Nippon Pigment (Japan)
• Oasis Oil Company of Libya, Inc. (Libya)
• Petróleos Colombianos, Ltd. (Colombia)
• Saudi Petrochemical Company (Saudi Arabia)
• World Wide Technical Services Company, Inc.
• Worley Engineering Company, Inc.
• Saudi Arabian Airlines