We accept MasterCardVisa, Amex and Discover. You may also use check cards or ATM cards, as long as they are connected with one of the major credit card companies listed above.

We also accept PayPal, personal checks and money orders (See how to mail orders).

If you are a governmental or educational organization, we accept Purchase Orders. See our Purchase Order Policy for details. 

We do not accept cash, and cannot send bills.