Call Us: (800) 985-STEM "7836"
Hours: M-F 8 AM to 5 PM (MST) 

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STEMfinity gladly accepts purchase orders from federal, state, and local government organizations.  Generally, these organizations qualify for NET 30 terms* and may pay with a purchase order.  A signed copy of the purchase order must be faxed to (888) 557-7836 or emailed to us at  If you have questions regarding your organization's qualifications for submitting purchase orders, please email  

If this is the first order being billed to your school or organization, include proof of tax-exempt status if applicable. 

To ensure your order is processed in a timely manner, purchase orders need to include:


  •  STEMfinity as the vendor
  • Your organization's billing address and phone number
  • Your organization's shipping address, attention to, and phone number for delivery
  • End user's email address
  • Individual items listed with product code, description, unit, and total price
  • Appropriate Shipping & Handling fees
  • Signature of approval


To print a Quote from our website, add items to the shopping cart, click on the STEM Cart in the upper right corner of the webpage and select Print Cart. You may also contact us for a quote.   

For orders outside of the 48 Contiguous United States, please contact us ( for assistance.

**Some items incur additional shipping & handling fees. 

Fax:  (888) 557-STEM “7836”


504 S. 11th St.
Boise, ID 83702


STEMfinity's W-9

Download STEMfinity's W-9


*Purchase orders qualifying for NET 30 terms must be paid by the due date specified on the invoice.   Past due invoices are subject to a $35.00 Late Fee and an 18% service (1.5% monthly) charge.