| International Sign Association - http://www.signs.org/ The ISA was founded in 1944 and was originally called the National Electric Sign Association. The ISA, with 2600 members, exists to support, improve, and promote the sign industry. Visitors to the website can find out about ISA activities, how to join, the annual International Sign Association Expo, and educational opportunities as well as news about legislation and industry events. - [Read more] |