Opera Companies

• Aac Presents Opera For All
• Academy of Vocal Arts Opera Theatre (AVA)
• Amarillo Opera
• Amato Opera Theatre
• Arizona Opera
• Atlanta Opera
• Austin Lyric Opera
• Autumn Leaf Performance
• Baltimore Opera Company
• Bel Canto Opera
• Berkeley Opera
• Bolshoi Theatre
• Boston Academy of Music
• Boston Lyric Opera
• Buxton Opera House
• Canadian Opera Company
• Capitol City Opera Company
• Casa Italiana Opera Company
• Central City Opera
• Centuries Opera Association
• Cincinnati Opera
• Cleveland Opera
• Comic Opera Guild, The
• Dallas Opera, The
• Danish Opera, The
• DeStefano Presents Opera Company
• Dicapo Opera Theatre
• English National Opera
• English Opera Seattle
• Finnish National Opera
• Flanders Opera
• Florentine Opera Company
• Florida Grand Opera
• Fort Worth Opera
• Glimmerglass Opera
• Glyndebourne
• Gran Teatro la Fenice
• Grand Opera House Belfast
• Greensboro Opera Company
• Harrisburg Opera Association
• Hawaii Opera Theatre
• Houston Grand Opera
• Hudson Opera Theatre
• Indianapolis Opera
• Island Lyric Opera
• Kitchener-Waterloo Opera
• Knoxville Opera Company
• L'Opéra de Montréal
• La Monnaie
• Lake George Opera Festival
• Lancaster Opera Company
• Los Angeles Music Center Opera
• Lyric Opera Cleveland
• Lyric Opera of Chicago
• Lyric Opera of Kansas City
• Lyric Theatre of San Jose
• Madison Opera
• Magnolia Opera Festival, The
• Mariinsky Theatre
• Metro Lyric Opera
• Michigan Opera Theatre
• Mobile Opera Incorporated
• Modern Baroque Opera Company
• Nanjing Shaoxing Opera Troupe
• Nashville Opera Association>
• New England Marionette Opera
• New Israeli Opera
• New Orleans Opera
• New Rochelle Opera
• New York City Opera
• New York Grand Opera
• Newberry Opera House
• Norrland's Opera
• Onyx Opera
• Opera Aperta
• Opera Carolina
• Opera Colorado
• Opera Companies On the Web
• Opera Company of Philadelphia
• Opera della Luna
• Opera Fort Collins
• Opera Illinois
• Opera Memphis
• Opera National de Paris
• Opera Omaha
• Opera Orchestra of New York
• Opera Theatre of Saint Louis
• Opera Vivente
• Opera/Columbus
• Opera Delaware
• Operas de Montpellier
• Operaworks
• Pacific Opera Victoria
• Pamiro Opera - Northeast Wisconsin Regional Opera Company
• Pegasus Opera
• Piedmont Opera Theatre
• Pocket Opera, Inc.
• Portland Opera
• Portland Opera Repertory Theatre
• Prague Opera Gala
• Prism Opera
• Regina Opera Company
• Royal Opera House
• Royal Swedish Opera House
• Sacramento Opera
• San Diego Opera
• San Francisco Opera
• Santa Barbara Grand Opera Association
• Santa Fe Opera
• Sarasota Opera
• Seattle Opera
• Skylight Opera Theatre
• Sorg Opera Company
• State Opera South Australia
• Sydney Opera House
• Tacoma Opera
• Taconic Opera
• Teatro alla Scala, Milano
• Toledo Opera
• Tulsa Opera
• Unidentified Flying Opera Company (UFOCO)
• Utah Festival Opera
• Utah Opera
• Vancouver Opera
• Virginia Opera
• Washington East Opera
• Washington Opera, The
• Welsh National Opera
• West Bay Opera
• Worthing Light Opera Company
• Wright State Opera Theater