Contact Us

By email:

info@ziena.com
info-knitro@artelys.com (for Continental Europe)

By mail:

Ziena Optimization Inc.
1801 Maple Ave
Suite 6320, Mailbox #55
Evanston, IL 60201
USA

By phone:

+1-847-491-2504
+1-847-556-0668 (Fax)