About Us
The International Sign Association (ISA) was founded in 1944 as the National Electric Sign Association (NESA) to represent manufacturers, users and suppliers of on-premise signs and sign products. Our members represent the industry at all levels, across the world. ISA exists to support, promote and improve the sign industry. In today''s competitive environment, effective on-premise signage is a critical component of a business'' success. Signs can vary from a small doorplate sign to large…