American Institute of Architects (AIA)
www.aia.org
American Society of Theatre Consultants (ASTC)
www.theatreconsultants.org
Illuminating Engineering Society (IES)
www.ies.org
International Association of Lighting Designers (IALD)
www.iald.org
International Association of Venue Managers (IAVM)
www.iavm.org
International Society for the Performing Arts (ISPA)
www.ispa.org
League of Historic American Theatre (LHAT)
www.lhat.org
National Fire Protection Association (NFPA)
www.nfpa.org
Opera America
www.operaamerica.org
Professional Lighting and Sound Association (PLASA)
www.plasa.org
Theatre Communications Group (TCG)
www.tcg.org
U.S. Institute for Theatre Technology (USITT)
www.usitt.org
United Scenic Artists Local 829
ww.usa829.org