Sales Tax

STEMfinity collects sales tax for orders shipping to the states listed below.

If you or your organization are exempt from paying sales tax, please send the required document(s) listed below by state to

If you have questions about sales tax collection or exemption status, please call 1-800-985-7836.

Information provided on this page may change at any time depending on individual state compliance requirements.

Arizona - Contact Us

California - Contact Us

Colorado - State Certificate of Exemption

Florida - DR-14 Consumer Certificate of Exemption

Georgia - Form ST-5 or Letter of Authorization - Contact Us

IdahoForm ST-101

Indiana - Form ST-105

Illinois - State Sales Tax Exemption Certificate

KentuckyForm 51A126

Michigan - Form 3372

New Jersey - Form ST-4 (schools) or NJ Exempt Organization Certificate ST-5 (non-profit organizations)

New Mexico - Form ACD-31052

North Carolina - Form E-595E

Pennsylvania - Form REV-1220

South Carolina - Form ST-8

Texas - Form 01-339

Washington - Contact Us