Contact Us

Seal-K Kosher Certification

29 E Madison St, STE 1818,
Chicago, IL 60602
Email: info@sealk.org
Phone: 312.584.5500

Seal-K Shatnez Lab

Rabbi Dovid Zirkin
Shatnez – Lab testing
6707 N Whipple St.
Chicago, IL 60645
Email: shatnez@sealk.org
Phone: 773.715.7780