Chamber Orchestra of Europe

Includes schedule, and ticket information.
http://www.coeurope.org/

Czech Phiharmonic's Collegium

Chamber orchestra of the Czech Philharmonic. Information, recordings, music samples, schedule. In English and Czech.
http://www.rudolfinum.cz/collegiumCF

Irish Chamber Orchestra

Group information, touring calendar, discography.
http://www.icorch.com/

Torun Chamber Orchestra

(Poland) Concert schedule, repertoire, history, and discography.
http://www.um.torun.pl/~tok

Eclairs de Musique, Les

Baroque Ensemble performing on original instruments. Personnel, repertoire, discography, audio clips. [may not work on standard browsers]
http://www.eclairs.it/

Bratislav Chamber Soloists

Chamber orchestra from Slovakia. Concert schedule, repertoire, history, discography, photos. [English/Slovakian]
http://www.ksborchestra.sk

Opus X

Baroque Orchestra and Ensemble from Helsinki, Finland. News, concerts, reviews, personnel, recordings
http://www.musicfinland.com/opusx/

Slovene Philharmonic String Chamber Orchestra

Personnel, repertoire, discography
http://www.drustvo-kgosf.si

Galanteana Chamber Orchestra

Danish chamber orchestra playing a mix of mid-eighteenth century and contemporary repertoire. Schedules, membership, sound clips. [English and Danish]
http://www.galanteana.dk

Serenade Chamber Orchestra

Includes discography with samples, past concert schedules, image gallery, reviews and director biography. Based in Yerevan, Armenia.
http://serenade-orchestra.com/