International Sign Association (ISA)
www.signs.org

Eastern States Sign Council (ESSC)
www.ussc.org

World Sign Association (WSA)
www.wsanetwork.org

Sign Web
www.signweb.com

Society of Environmental Graphic Designers (SEGD)
www.segd.org

Arete Corporation
www.aretecorp.com

Flow International
www.flowcorp.com

Signs of the Times
www.stmediagroup.com

Permlight
www.permlight.com

Akzo-Nobel Coatings, Inc.
www.akzonobel.com

Sign Business
www.nbm.com

Activity POS
www.activitycorp.com

United Parcel Service (UPS)
www.ups.com