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| Gwlad | Sefydliad | gwefan(s) | |
| Awstralia | Syrcas Ffederasiwn Awstralasia Inc. | www.circusfed.org.au | Aelod cyswllt |
| Awstria | Franz Fröschl | www.froeschl.at | Aelod Rhoddwr |
| Belarussia | Belarus State Circus | circus.by | Aelod llawn |
| Gwlad Belg | Ar Digwyddiadau Llwyfan | Aelod llawn | |
| Gwlad Belg | Show Product | Aelod llawn | |
| Bwlgaria | Balkanski Adloniant Ltd. – Syrcas Balkanski | www.circus-balkanski.com | Aelod llawn |
| Bwlgaria | Stefani Art Agency | https://stefaniart.com/ | Aelod llawn |
| Canada | Cirque du Soleil Inc. – Cyhoedd & Materion Cymdeithasol | www.cirquedusoleil.com | Aelod cyswllt |
| Denmarc | Circus Arli | www.arli.dk | Aelod llawn |
| Denmarc | Fantastic! | Aelod llawn | |
| Ffindir | Sirkus Finlandia / Oy Fincirk ab | www.sirkusfinlandia.com | Aelod o'r Bwrdd Ymgynghorol |
| Ffrainc | Clwb Cirque | Aelod Rhoddwr | |
| Ffrainc | Cymdeithas Gweithredwyr Perchnogion Syndicale Marquees – ASPEC | www.aspec.free.fr | Aelod cyswllt |
| Ffrainc | Association du Festival International du Cirque de Bayeux | www.festivalcirquebayeux.fr | Aelod llawn |
| Yr Almaen | Robert de Pessemier a Monica Holzmüller | Honory member | |
| Yr Almaen | Cymdeithas Broffesiynol yr Athrawon e.v anifeiliaid. | www.berufsverband-y-tierlehrer.de | Aelod llawn,en |
| Yr Almaen | Circus Carl Busch / Great Christmas Circus | www.circus-carl-busch.de | Aelod llawn |
| Yr Almaen | Dresdner Weihnachtscircus | www.dwc.de | Aelod llawn |
| Yr Almaen | Europäische Schausteller Union | www.esu-ufe.eu/ | Aelod llawn,en |
| Yr Almaen | Ganolfan hyfforddi ewropeaidd – Reg. Canolfan berlin Cymhwysedd | www.ebg.de | Aelod llawn |
| Yr Almaen | Circus Flic Flac GmbH / Flic Flac Event GmbH / Flic Flac Show GmbH / Flic Flac NB GmbH | www.flicflac.de | Aelod llawn |
| Yr Almaen | Cymdeithas y Cyfeillion Syrcas e.V. | www.circusfreunde.org | Aelod Rhoddwr |
| Yr Almaen | Grandezza Entertainment GmbH / Frohes Fest Event GmbH | www.weihnachtscircus-hannover.com / www.weihnachtscircus-aachen.eu / www.weihnachtscircus-regensburg.com | Aelod llawn |
| Yr Almaen | Katholische Syrcas- ac ddynion sioe bugeiliol | www.kath-circusseelsorge.de | Aelod Rhoddwr |
| Yr Almaen | Charles Knie GmbH | www.zirkus-charles-knie.de | Aelod llawn |
| Yr Almaen | Elmar Kretz Entertainment GmbH | www.winter-circus.de | Aelod llawn |
| Yr Almaen | Syrcas Crone gweithredu KG GmbH&Co | www.circus-krone.de/ | Aelod o'r Bwrdd Ymgynghorol |
| Yr Almaen | Merz & Pilini Syrcas Variete-Digwyddiad GmbH | www.circus-variete.de | Aelod llawn |
| Yr Almaen | Romanza Circusproduction / Zirkus des Horrors | zirkusdeshorrors.de | Aelod Llawn |
| Yr Almaen | Circus Roncalli GmbH | www.roncalli.de | Aelod o'r Bwrdd Ymgynghorol |
| Yr Almaen | Art Nations Entertainment GmbH – Chinesischer Nationalcircus | www.chinesischer-nationalcircus.com | Aelod llawn |
| Yr Almaen | Verband deutscher Circusunternehmen e.V. | www.vdcu-ev.de | Aelod llawn |
| Yr Almaen | Adran Diwylliant Dinas Wiesbaden – Syrcas Ieuenctid Ewropeaidd | www.wiesbaden.de / circusfestival | Aelod llawn |
| Hwngari | National Circus Arts Centre Nonprofit Ltd. | www.maciva.hu | Aelod o'r Bwrdd Ymgynghorol |
| Hwngari | Recirquel Cirque Danse by Bence Vági | recirquel.com/ | Aelod llawn |
| Ireland | Tom Duffys’ Syrcas | www.duffyscircus.com | Aelod llawn |
| Yr Eidal | Accademia d’arte circense | www.accademiadartecircense.it | Aelod llawn |
| Yr Eidal | Anceschi Carlo SRL | www.anceschicarlo.it | Aelod llawn |
| Yr Eidal | Syrcasau Bwrdd Gwladol | www.circo.it | Aelod llawn |
| Yr Eidal | Cynyrchiadau Eidaleg S.R.L. | www.robertofazzini.it | Aelod llawn |
| Yr Eidal | Clwb Cyfeillion y Syrcas | www.amicidelcirco.net | Aelod Rhoddwr |
| Yr Eidal | Proeventi – Societa’ Cooperativa | www.proeventi.com | Aelod llawn |
| Yr Eidal | International Circus Festival of Italy | www.festivalcircolatina.com | Aelod llawn |
| Yr Eidal | Mudwyr – Officio Cenedlaethol | www.migrantes.it/unpcircus/ | Aelod Rhoddwr |
| Yr Eidal | Drain Covers CNS | www.scolateloni.com | Aelod llawn |
| Yr Eidal | Syrcas a Amgylchoedd | www.circoedintorni.it | Aelod llawn |
| Japan | Kinoshita Circus Co Ltd. | www.kinoshita-circus.co.jp | Aelod cyswllt |
| Latfia | Biedriba Cirka Mäkslinieku Asociäcija | Aelod llawn | |
| Lithwania | Syrcas | www.cirkas.lt | Aelod llawn |
| Monaco | Gwyliau Monte Carlo | www.montecarlofestivals.com/ | Aelod o'r Bwrdd Ymgynghorol |
| Netherlands | Rhwydwaith Ewropeaidd ar gyfer Addysg Teithwyr – Ente e.V. | www.ente.nu | Aelod llawn |
| Netherlands | Hillenaar Circus Digwyddiadau B.V. | www.hetwintercircus.nl | Aelod llawn |
| Netherlands | Stardust Circus BV Rhyngwladol | www.stardustcircus.com | Aelod o'r Bwrdd Ymgynghorol |
| Netherlands | Forum of Christian Organisations for the pastoral Care of Circus and Carnival Workers | www.ipc-ccw.org | Aelod llawn |
| Netherlands | Koninklijk Theater Carré – Amsterdam | www.theatercarre.nl | Aelod Llawn |
| Netherlands | Simon Visser | Aelod Rhoddwr | |
| Norwy | Cirkus Agora | www.cirkusagora.no | Aelod llawn |
| Norwy | Syrcas Arnardo | www.arnardo.no | Aelod llawn |
| Norwy | Sirkus Jesper | www.dyreparken.no/sirkus-jesper | Aelod llawn |
| Norwy | Cirkus Merano | www.merano.no | Aelod llawn |
| Romania | S.C. Syrcas Orlando S.R.L. | www.circulorlando.ro | Aelod llawn |
| Sbaen | Escuela de Circo Diverso | www.circodiverso.com | Aelod llawn |
| Sbaen | Circo Raluy Legacy | circoraluy.com | Aelod llawn |
| Sbaen | ASC. Undeb Gweithwyr Proffesiynol a Chyfeillion y Celfyddydau Syrcas | www.amigosdelcirco.com | Aelod Rhoddwr |
| Sweden | Cirkus Brasil Jack | www.cirkusbraziljack.se | Aelod llawn |
| Swistir | Syrcas Conelli | www.connyland.ch | Aelod llawn |
| Swistir | CVA, Syrcas Amrywiaeth- Artistiaid a Chyfeillion y Swistir | www.circusfreunde.ch | Aelod Rhoddwr |
| Swistir | Kath. Syrcas- ac ddynion sioe bugeiliol | www.kath.ch | Aelod Rhoddwr |
| Wcráin | National Circus of Ukraine | www.circus.kiev.ua | Aelod o'r Bwrdd Ymgynghorol |
| Wcráin | State Circus Company of Ukraine | ukrcircus.com | Aelod llawn |
| Y Deyrnas Unedig | Syrcas Wonderland | Aelod llawn | |
| Y Deyrnas Unedig | Zippos Circus Productions Limited | www.zipposcircus.co.uk | Aelod llawn |
| Y Deyrnas Unedig | Cymdeithas Perchnogion Syrcas Prydain Fawr | https://circusgb.com | Aelod llawn |
| Y Deyrnas Unedig | Amazing Animals Ltd. | www.amazinganimals.co.uk | Aelod llawn |
| Y Deyrnas Unedig | Suzanne Chipperfield Circus Anifeiliaid | Aelod llawn | |
| Y Deyrnas Unedig | Tip Top Productions Limited | www.blackpooltower.co.uk/ | Aelod llawn |
| Y Deyrnas Unedig | Happy’s Circus | www.happyscircus.co.uk | Aelod llawn |
| UDA | Garden Brothers Circus | www.gardenbrosnuclearcircus.com | Aelod cyswllt |
| UDA | Ringling Bros. a Barnum & Bailey | www.ringling.com | Aelod cyswllt |
| UDA | Cymdeithas Busnes Adloniant Awyr Agored (OABA) | www.oaba.org | Aelod cyswllt |