W.W. Grainger Inc., Lincolnshire, Ill., now accepts Visa, MasterCard or American Express for payment on its web site, www.grainger.com. "In the MRO industry, 95% of purchasing transactions are completed using open accounts. Although consumer catalog sites accept credit cards for payment, open accounts have always been standard in our industry," said Daniel Hamburger, vice president and general manager, Internet commerce, for Grainger.