Paying by Credit Card and Check Card accepts Visa, MasterCard/EuroCard, Discover, American Express, check cards, so long as they are connected with one of the major credit card companies listed above.

You can safely enter your entire credit card number via our secure server, which encrypts all submitted information anytime you see this logo on the page: .

To provide you with an additional layer of security, all credit card numbers provided to are stored on a computer that is not connected to the Internet. After you type or call it in, your complete credit card number is transferred to this secure machine across a proprietary one-way interface. This computer is not accessible by network or modem, and the number is not stored anywhere else. does not currently support the Verified by Visa program. You can still use your Visa credit card as payment for an order, but you won’t be asked to enter your Verified by Visa password.

Paying by Check Card

If you're paying with a Visa Check Card, please select Visa from the drop-down menu on the order form. Similarly, if you're paying with a EuroCard or MasterMoney Card, select MasterCard.

Purchasing Card ("P Card") Orders

Purchasing cards are a type of credit card used by many corporations and institutions. Customers using this method of payment can choose to submit an internal reference number along with their credit card information. This number can be used to track purchases by cost center, billing code, purchase order, etc. The reference number and itemized sales tax information is then reported on the credit card statement. Please submit this number in the additional information box


Authorizing Your Credit Card

It is not uncommon for a request for credit card authorization to fail once or twice before the card is finally authorized. We will send you an e-mail or telephone if we experience difficulties in authorizing your credit card.

Using American Express Private Payments

Members of American Express Private Payments(SM) are assigned random, unique numbers to use in place of their actual card account numbers, so their actual account numbers are never transmitted over the Internet. The numbers are valid for one month and can be used only once to make a purchase online.