USSC Foundation Inc.
- Association of independent sign shops.
- http://www.usscfoundation.org/

Outdoor Advertising Association of America
- Represents billboard and outdoor advertising concerns. Membership area for media owners, re-sellers, advertising companies, suppliers, and trade groups. Site provides research, government issues, and events schedule.
- http://www.oaaa.org/

European Federation of Illuminated Signs,
- Promotes the sign making industry throughout Europe. Site is in English, French, and German. The Registered Office of the EVL is Zurich, Switzerland.
- http://www.evl-signs.com/

Australian Sign and Graphics Association
- ASGA represents the sign making and digital printing industry for Australia. Member resources include education, industry trends, supplier contacts, and governmental issues.
- http://www.signs.org.au

National Association of Sign Supply Distributors
- Trade association for organizations that are engaged in sign supply distribution or manufacture or supply commercial, neon, and electrical sign products.
- http://www.nassd.org

Illinois Sign Association
- Represents the outdoor advertising and electric sign industry for the state of Illinois. Membership area for manufacturers, suppliers, and companies.
- http://www.isa-sign.com

New Hampshire Sign Association
- Member sign companies share technology, shop tips, legislative efforts, and promote professionalism in the state of New Hampshire.
- http://www.signsnh.com

Mid South Sign Association
- Membership represents the sign industry for Alabama, Arkansas, Louisiana, Mississippi, and Tennessee.
- http://www.midsouthsignassociation.org

Maine Sign Association
- Membership open to all segments of the Maine sign industry, and sign product vendors.
- http://www.mainesignassociation.org

Wisconsin Sign Association
- WSA represents manufacturing, installation, service companies and sign industry professionals for the state of Wisconsin since 1970.
- http://www.wisconsinsign.org

California Sign Association
- Represents all segments of the sign industry in California, from manufacturing to retail sales.
- http://www.calsign.org

Oregon Electric Sign Association
- Membership of electric sign producers, manufacturers, sellers, and installers for the state of Oregon.
- http://www.oesa.net

Okalahoma Sign Association
- Member association of sign professionals for the state of Oklahoma.
- http://www.oksa.org

United States Sign Council
- Association of independent sign shops offering continuing education seminars, trade shows, and exhibits of new sign technology.
- http://www.ussc.org/

British Sign and Graphics Association
- Represents the sign industry in Great Britain. Site includes membership list with links to member websites.
- http://www.bsga.co.uk/

Arizona Sign Association
- Promotes and advances the state's sign industry. Site includes membership list with links to member websites.
- http://www.arizonasign.org/

Sign Association of Canada
- Represents the Canadian sign industry.
- http://www.sac-ace.ca/

Alberta Sign Association
- Represents all facets of sign design, manufacturing, installation and service in the province. Site includes membership list with links to member websites.
- http://www.albertasigns.com/

New Zealand Sign and Display Association
- Serves the country's sign and display industry. Site includes membership list with links to member websites.
- http://www.signs.org.nz/

Texas Sign Association
- Represents the state's on-premise sign industry. Site includes membership list with links to member websites.
- http://www.txsigns.org/

International Sign Association
- Represent manufacturers, users and suppliers of on-premise signs and sign products. Site includes membership database with links to member websites.
- http://www.signs.org/