(AZ) Perfoms in Phoenix and Tucson, site features season information about shows, cast, and ticket purchase.

(GA) Includes schedule and ticket sales, information on educational programs, and bibliography.

(TX) Ticketing, scheduling, and performance news.

(MD) Online ticket sales (including "starving students" discount program) and cast lists for each of the season's productions.

(CA) Local traveling production company. Current performance and ticket information.

(MA) Opera company producing full-length operas sung by children aged 7-15 for children.

(NY) Offers varieties of performing arts

(NY) Calendar, news and contact information

Season calendar, Artist education series, audition notices, ensemble pics and bios

Canton, Ohio-based company, dedicated to the preservation and performance of American comic operas and operettas.

Cape Cod's only opera company dedicated to the production of fully staged opera showcasing local and regional professional talent. Past productions and coming soon.

Provides year-round opera performances in the city and the surrounding metro areas. Site has performance schedule and news, library, and ticket sales. Atlanta, Georgia.

Presents several operas each year; specializing in Italian Operas. Los Angeles, California.

Dedicated to the creation and performance of contemporary American opera and opera in English.

The fifth-oldest opera company in the nation. Includes details about the current schedule, outreach program, news and history. Virtual tour of the opera house and online box office. Denver, Colorado.

New York based, productions in English, opportunities for young artists, season info

Official website, with online tickets purchase, year's season, company information. Illinois.

Ohio based, performs major works, season info

Professional San Francisco-based period instrument organization presenting opera in concert format.

Schedule, auditions, and history. Missouri.

Presents opera, operettas, and musicals at the State Theatre in Playhouse Square. Ohio.

Touring company presenting operetta in English translations. Orchestrations also available. Michigan.

Opera performed in a concert setting. Philadelphia, Pennsylvania.

Season schedule, synopses, and ticket information. Connecticut.

History and highlights, performance schedule and ticket ordering information from Hartford-based performing arts organization. Connecticut.

Opera in contemporary settings, sung in English.

Production information, news updates, archives, and broadcasts. Based in Dallas, Texas.

Details of the opera company, performances and performers. Ordering information for their CD. New York.

Information about the current season including special events, tickets (online ordering), history, educational programs, merchandise and the Florentine Opera Club. Milwaukee, Wisconsin.

Based in Ft. Worth, Texas, this company performs major works, has a young artist program, and performs school tours.

Community musical theater in Mendocino County, California.

Schedule, audition and internship information, and past performances. California.

Production details, tickets and information on this North Carolina company.

Calendar and ticket information. Includes the history of the Houston Grand Opera. [Houston, TX]

Opera and Musical Theatre since 1975. Alaska.

Periodic performances of contemporary and traditional, original-language opera. Missouri.

Based in Saratoga Springs, New York. Details of upcoming events, company background, reviews of previous productions, and opera education program.

Performing light operas and operettas. Evanston, Illinois.

Details of upcoming performances, background information on company, plus photos and reviews.

Information about the current season's operas, including background information and web resources for each opera. Online ticketing. North Carolina Triangle area.

California - performs major works, season and production info

Based in Lowell, Massachusetts. Background information, upcoming events and reviews of recent events, plus audition details.

International-level opera company. Details about the current season, tickets (online ordering), special events, radio broadcasts, education programs, press releases, history and online shopping. Chicago, Illinois.

Professional company based in Texas. Includes season schedule and information about tickets, educational programs and membership.

A Missouri not-for-profit organization devoted to the performance and promotion of the lyric opera repertoire.

An informational site for the Martinez, California opera, MTZO.

New York City, New York.

Detroit, Michigan - major works, season info, company info

Alabama - perform at Mobile Civic Center

Contact information only. A community program from Quincy University in Quincy, Illinois.

Company background, upcoming productions, education and support programs and contact details.

Seating charts, ticket information, and administrative information. Louisiana.

Calendar and contact information. New York.

This company's web site features information on the creative staff, past and present productions, and current and upcoming performances.

New York - major works, season and company information

Professional, repertory Gilbert and Sullivan ensemble. Calendar, group and ticket information (phone/fax orders). New York.

Official site. Information about performances, repertoire (including the eight-year Verdi Cycle) and the company's CD. Three decades of free opera in Central Park, New York.

Opera Companies in Oregon, Washington, and Alaska.

Company headed by Richard Sheldon exclusively performing the duo's works. Includes schedule, productions, orchestra requirements, references, reviews, contacts, and related information.

Specializing in revivals of rare operas and operettas. Schedule and photographs. Washington, DC.

Details on the current season, the performers, the company and education programs. Online ticketing and newsletter. Colorado.

Professional opera company bringing audiences fresh looks at classic operas as well as the opportunity to view productions rarely performed elsewhere. Located in Columbus, Ohio.

Upcoming performances and programs, special events, contact details.

Information about scenery, including plans and photos.

An African-American opera company. Information about artists, tours and projects. New York City, New York.

A professional opera company performing in schools throughout the Midwest.

Official site of the longest running opera company in Michigan. Performance schedule, photograph gallery, auditions calendar.

Boise, Idaho - season information

Providing information on schedules, artists and events of the largest opera company in central Illinois.

Manchester, New Hampshire

Current season with histories and audio samples, ticket ordering, merchandise, quizzes, and games. Memphis, Tennessee.

Includes schedule of productions and events, history, staff listings, newsletter, and information on the Young Artists Program. Annual season is in August in Lebanon, New Hampshire.

Costa Mesa, California.

Based in Olympia, Washington. Includes events calendar, contact details, details of friends and sponsors.

Professional regional opera company. Performance schedule, artist profiles, educational programs and ticket information.

Arlington, Virginia.

Live web casting, performance dates, production schedules, singers listings, festivals, membership.

Provides calendar of events, volunteer opportunities, and tickets. Florida.

(PA) Since 1946, the Pittsburgh CLO has been a leader in producing the very best in professional musical theater for audiences from throughout the Tri-State region.

(PA) Eighth-oldest opera company in the U.S. Major works presented annually.

San Francisco, California.

Schedule and ticket information. Oregon.

Since 1994, the company annually stages a full production of a major opera and other events. Maine.

A non-profit organization based in Rochester, Minnesota, dedicated to the performance of classical vocal music, and to providing performance opportunities for talented area singers.

Current season, Recital Program, Membership and Sponsorship opportunities, Education program, Company History, the Scenic Studio. California.

California.

New Mexico.

Details on performance schedules, ticketing and educational programs. Florida.

Calendar and online ticket sales. Washington.

Sonoma City Opera - Northern California company, standard operatic repertoire as well as premieres

Community outreach company performing throughout Southern California.

In residence each summer at Catholic University, Washington DC, this program showcases both young and more established artists and aims to bring fully mounted professional opera to the public at affordable ticket prices.

Washington.

From Europe, the US's most successful touring opera company.

(NY) Schedule, reviews, photographs, and past seasons.

(MA) A repertory company presenting opera, music theatre and concerts in Boston and the surrounding area.

Summer program featuring emerging talent. Includes season schedule, cast biographies, newsletter and ticketing information. Based in Texas, USA.

The purpose of this company is to bring opera, operetta and vocal performances to the community, utilizing regional artists and singers. St. Louis, Missouri.

The Opera Company of Astoria, located in Astoria, Queens, dedicated to bringing quality opera to the community.

Maryland.

Long standing amateur company which puts on two productions a year. New York.

Season schedule, tour, ticket ordering, and links. Ohio.

Southern New York.

Schedule, artist profiles, tickets, and links. Oklahoma.

Summer opera program. Utah.

Small company based in state capital Montpelier featuring professional Vermont singers and instrumentalists.

Non-profit organization dedicated to promoting opera in the community and classroom, plus providing scholarships to promising students.

Schedule and tickets. Richmond, Virginia.

Washington, D.C. company - news, season info, company info, young artist program, production rentals, and more

Announcements, schedule, reviews and information about upcoming events. Palo Alto, California.