The Entertainment Services and Technology Association (ESTA) is a live entertainment industry organization. From their website:
"ESTA is a non-profit trade association representing the entertainment technology industry dedicated to a core mission of Building the Business of Show Business. ESTA promotes professionalism and growth in the industry and provides a forum where interested parties can come together to exchange ideas and information, create standards and recommended practices, and address issues of training and certification."
One of their up coming standards is ACN (Architecture for Control Networks).