http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Contains sales-size data by ZIP Code in data sets grouped by census geographic division for the following NAICS sectors: 44-45 Retail Trade -- 54 Professional, Scientific, and Technical Services -- 56 Administrative, Support, Waste Management, Remediation Services -- 61 Educational Services -- 62 Health Care and Social Assistance -- 71 Arts, Entertainment, and Recreation -- 72 Accommodation and Foodservices -- 81 Other Services (except Public Administration) .
Individual files also available via Internet from the Census Bureau's 2002 economic census web site. Address as of 6/12/07: http://www.census.gov/econ/census02/guide/g02zip.htm.
System requirements: multimedia PC or compatible with a Pentium 500 MHz or higher microprocessor (or compatible processor); 128 MB of RAM (256 recommended); 150 MB of free hard-drive space; DVD-ROM drive; SVGA (1024x768) or higher resolution monitor with 256 colors; Microsoft Windows XP or 2000; Microsoft mouse or compatible pointing device.