By email: info [at] yansa.org

By phone: +1.917.382.8088

The Yansa Foundation:

Yansa, Inc.
14 Church Street
Cold Spring, NY 10516
USA

The Yansa Community Interest Company:

Yansa Renovables
Apdo. Postal 40-069
06141 Mexico DF
Mexico

Yansa in Ixtepec:

Calle Allende esquina Juárez
Ixtepec, Oaxaca
Mexico