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