University of Oklahoma Center for English as a Second Language - Norman, Oklahoma

The Language Company-Edmond - Edmond, Oklahoma

La Academia Spanish Immersion - Grapevine, Texas

Gobierno de Canarias - Santa Cruz de Tenerife, Santa Cruz de Tenerife

CIFP Los Gladiolos - Santa Cruz de Tenerife, Santa Cruz de Tenerife

Universidad Popular - Alborea, Albacete

Fashion Acade -

Bilingual Family - Oklahoma City, Oklahoma

Oklahoma State University English Language Institute - Stillwater, Oklahoma

Centro Electronico de Idiomas - Maracaibo, Zulia