Corporate or Government Purchase Order

Our online ordering system accepts credit cards only, not purchase orders.
If you need to issue a purchase order, please note the following:

Ordering Options:

  1. Phone your order to 713.932.0000. Be sure to state your purchase order number.
  2. Fax your order to 713.932.0000.
  3. Mail your order to: P. O. Drawer 541737, Houston, TX 77254-1737 USA.

Upon request, with good credit, we will open an account and bill you for your order if you are in any of these categories:

  • University, College or School District
  • Public Library
  • City, State or National Government agency
  • Fortune 1000 corporation

Otherwise, please include a credit card number or check with your purchase order.