This U.S. industry comprises establishments primarily engaged in providing specialized motion picture or video postproduction services, such as editing, film/tape transfers, subtitling, credits, closed captioning, and animation and special effects. Cross-References. Establishments primarily engaged in-- ? Mass duplicating video tapes and film--are classified in Industry 33461, Manufacturing and Reproducing Magnetic and Optical Media; ? Developing and processing motion picture film--are classified in U.S. Industry 512199, Other Motion Picture and Video Industries; ? Providing audio services for film, television, and video productions--are classified in Industry 512240, Sound Recording Studios; and ? Acquiring distribution rights and distributing film and video productions to motion picture theaters, television networks and stations, and exhibitors--are classified in Industry 512120, Motion Picture and Video Distribution.