The media and entertainment industry has expanded over the years and now includes many sub-industries and career paths. 

Sub-IndustryOrganization
Advertising/Marketing/PR

212 NYC

Advertising Educational Foundation (AEF)

American Advertising Federation

American Association of Advertising Agencies

JBC Style (Fashion)

Public Relations Society of America

The Advertising Club of New York

Animation

Animation Village

Women in Animation

Broadcast (TV/Radio)

American Federation of Television and Radio Artists

International Film and TV Production Resources

International Radio and Television Society Foundation

NY State Broadcaster's Association

Production Hub

Communications

Communications Jobs

New York Women in Communication

Editing/Publishing/Writing

American Society of Magazine Editors

Book Jobs

Ed2010 (Magazines)

Magazine Publishers of America

Journalism

Journalism Jobs

Journalism Next

NYU Journalism Job and Internship Listings

General Entertainment/Media

Career Arc

Creative Interns

Cynopsis

Entertainment Careers

Mediabistro Jobs

Mashable Jobs

National Urban League Jobs Network

Work In Entertainment