standards, specifications, & industry groups
Here are a number of other web sites that contain valuable information about bar codes, OCR, and other auto ID technologies. Click on any of the logos to navigate to a given web site.
GS1 (formerly the Uniform Code Council and EAN) administers UPC and EAN bar codes as well as various labeling standards. If you need to create a UPC or EAN bar code, begin by contacting them. Click here if you're in the US or here elsewhere in the world.

GS1 Japan administers JAN barcodes used in Japan.
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Bowker administers Bookland barcodes used on books.
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ISBN administers ISBN numbers used to create Bookland barcodes.

ISSN administers the ISSN barcodes used on non-US periodicals.

AIM is the source for many specifications relating to barcodes.

ANSI is the source for many specifications relating to barcodes.

ISO is the source for many specifications relating to barcodes.
THE number 1 source for information about bar codes and auto ID. A great site and you can trust it because it’s not run by a vendor.
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Let's not forget our set of photos of azaleas.