Global Payments www.globalpaymentsinc.com Visa PCI DDS Compliance - usa.visa.com/merchants Visa - www.usavisa.com MasterCard - www.mastercard.com American Express www.americanexpress.com Discover Card www.discovercard.com Diner's Club www.dinersclub.com JCB www.jcbusa.com Electronic Transaction Association (ETA) www.electran.org National Association of Payment Professionals (NAOPP) www.naopp.com Northwest Card Association (NWCA) www.nwcardassoc.com Western States Acquirers Association (WSAA) www.westernstatesacquirers.com The Green Sheet www.greensheet.com Transaction World www.transactionworld.com Transaction Trends www.transactiontrends.com The Nilson Report www.nilsonreport.com
