United States Sign Council

Another organization we belong to lots of good information here

Signs of the times

A monthly magazine we enjoy

Gemini

Cast metal letters,plastic letters & bronze plaques

Sloan LED

Light emitting diodes lots of useful info here

SignSearch

Find a sign proffesional in your area

American Sign Museum

If you love sign history this is a cool place

Garces & Grabler

Need a fine lawyer