User's of Zip Code USA.. Yahoo, Microsoft, America Online (AOL), Apple Computer, Cisco, Oracle, Compaq, Dell Computers, The Boeing Corporation, Nokia, Motorola, Alta Vista, Staples, Amazon.com, International Business Machines (IBM), VeriSign, Kinko's, Ask Jeeves, Honda Motor Company, Enron Energy Services, Merrill Lynch, Circuit City Stores, Xerox, Associated Press, Eli Lilly Corp, Merck Medco, Prentice Hall, JP Morgan, Juno Online Services,  LSI Logic, Ray-O-Vac, Litton / PRC, Roche, Jergen's Inc,  JD Power and Associates, Hallmark Cards, Lowe's Companies Inc, Contenental Shipping Line, MTD Products, NCR Corporation, Ameritech, AAA Insurance, Allstate Insurance, National Life, State Farm Insurance, IAMS Inc, NCS /  London House, Fisher Controls, ATX Telecommunications, UUNet, Texaco, Shell Oil,  Phillips Consumer Products,  Kolberg-Pioneer, YellowPages.com,Verizon Communications, America's Health Network, Hartford, Insurance, CIMA Insurance, Kemper Insurance, GMAC Insurance, National Automobile and Casualty, Auto Racing Daily, National Lodging Assoc,  Progressive Insurance, Safeway Insurance, CB Richard Ellis, Mellon US Leasing, American Heart Association, Blue Cross / Blue Shield, Sears, United Prudential Insurance, Aircraft Shopper Online, HGTV, Winn Dixie, Price Waterhouse Coopers, Egghead.com, Earthnet, Earthlink.com, Roland DGA Corp, AT&T Wireless, Lucent Technologies, Hewlett Packard, 3COM, Honeywell, Fujitsu, Bell South, Sprint, Albertsons, First Union, 21st Century Marketing, Wells Fargo, Bank of America, Bank of New York, Bank One, US Bank, Chevy Chase Bank, First Data, 9 West, Qwest, Corona Clippers, Bull Information Systems, Klein Tools, PPG Industries, Mattel Toys, Suretrade, Media One, Cellar Direct, Tickets.com, FineWine.com, Cowboy.com, InvoiceDealers.com Dealer.com, Realty.com, Drugstore.com, Headhunter.net, IPS Card Solutions, Potlatch Corp, Ohio State University, Bayler University, Zevex, University of Texas, Utah State Office of Education, Burns Internet Security,  OEMA West Point, TV Guide (UVTV), US Dept of Defense, US Dept of Commerce, The ATF, The US Army, Honolulu Board of Realtors, Commerce Clearing House Inc (CCH), Arthur Anderson, Long Beach Fire Dept, Transamerica, Sony, CNA National Warrantee Corporation, Warrantee Corporation of America, Henry Ford Health Systems, Warner-Lambert, Avery-Dennison, ATM Networks Inc, Compubank, Agilent Technologies, Oklahoma Gas and Electric, State of Nevada, Mississippi Forestry Commission, Montana Fish Wild Life Park, Professional Flight Management, Flight Safety International, Los Angeles Philharmonic Association, National Notification Center, US Office Products, Frigidare Home Products, Snapple Beverage Group,  Daewoo, Pep Boys, Oakley, Formica Inc, World Savings, World Vision, Conseco Finance, Fox Sports, The Arch Diocese of Los Angeles,  The Government of Israel and thousands more ..