Sponsors

The sponsors of the Witness to Nature Photo Contest™ are Encyclopædia Britannica and Ohio Distinctive Publishing, Inc.

Encyclopædia Britannica
331 North La Salle Street
Chicago IL 60654, U.S.A.

Ohio Distinctive Publishing, Inc.
6500 Fiesta Drive
Columbus Ohio, 43235, U.S.A.
Phone: 614-459-0453