International:
International Signs Online
http://www.intlsigns.com/
About signs, including sign companies worldwide, signmaking tips and info, sign buyer's guide, links to sign related sites, pictures, information, and news.

Sign Industry
http://www.signindustry.com/
A business-to-business resource and community for the sign industry - articles, message boards, news, auction/storefront, tips and chat for ADA, etc.

Sign Search
http://www.signsearch.com/search.htm
Business-to-business sign industry website to search and locate signs and manufacturers of signs.

Sign Web
http://www.signweb.com/
Sign news, product information for sign makers and buyers of signs - source for sign making technology, equipment and supplies and software downloads.

Sign Supplies
http://www.sign-supplies.com/
Business site where you can visit, find a supplier you need and get straight to the information you require.


Asia:
Asia Sign World
http://www.asiasignworld.com/
The premiere web site for the sign industry in Asia.


India:
SignageWorld
http://www.signageworld.com/
A comprehensive site that puts the buyers, sellers, experts and users together. Articles, Directory, Industry Links, Sign Trends, Suggestions, etc.

Sign Ind
http://www.sigind.com/
A portal site for india for the signage and the marketing media. Exhibitions, free listing etc.

Print Packaging
http://www.print-packaging.com/
India's Business site for the Printing, Packaging and the Signage Industry. Education, Events, List of Companies, etc.