We are legally obligated to collect sales tax in the state of New Jersey only. If you are shipping to any state other than New Jersey you will not be charged sales tax. If you are shipping to NJ and are a legitimate sales tax exempt organization please fax us a copy of your tax exempt certificate to 201-604-2688 or email it to your sales rep. Feel free to call us at 1-800-790-6090 with any questions.