Europa

Albania
- Competition Authority
Alemania
- Bundeskartellamt
Armenia
- State Commission for the Protection of Economic Competition
Austria
- Bundeswettbewerbsbehörde
Azerbaiyan
- State Service for Antimonopoly Policy and Consumer Right's Protection
Bélgica
- Belgian Competition Authority
Bielorrusia
- The Antimonopoly Committee of the Republic of Belarus
Bosnia & Herzegovina
- Council of Competition
Bulgaria
- Commission on Protection of Competition (CPC)
Chipre
- Commission for the Protection of Competition
Croacia
- Croatian Competition Agency
Dinamarca
- Danish Competition and Consumer Authority
España
- Comisión Nacional de los Mercados y la Competencia
Eslovenia
- Competition Protection Office
Eslovaquia
- Antimonopoly Office
Estonia
- Competition Authority
Finlandia
- Competition and Consumer Authority
Francia
- Autorité de la Concurrence
Grecia
- The Hellenic Competition Commission
Guernsey
- Channel Islands Competition and Regulatory Authorities
Hungría
- Hungarian Competition Authority
Irlanda
- Competition Authority
Islas Faroe
- Faroese Competition Authority
Islandia
- Competition Authority
Italia
- Italian Antitrust Authority
Jersey
- Channel Islands Competition and Regulatory Authorities
Kosovo
- Kosovo Competition Commission
Letonia
- Competition Council
Liechtenstein
- Office of Economic Affairs (AVW)
Lituania
- Competition Council
Luxemburgo
- Competition Council
Macedonia
- Commission for Protection of Competition
Malta
- Competition and Consumer Affairs Authority
Moldavia
- Competition Council
Noruega
- Norwegian Competition Authority
Países Bajos
- Autoriteit Consument & Markt
Polonia
- Office of Competition and Consumer Protection
Portugal
- Competition Authority
Reino Unido
- Competition and Markets Authority
República Checa
- Office for the Protection of Competition
Rumania
- Competition Council
Rusia
- Federal Antimonopoly Service
Serbia
- Commission for the Protection of Competition (CPC)
Suecia
- Swedish Competition Authority
Suiza
- Competition Commission
Turquía
- Turkish Competition Authority (Rekabet Kurumu)
Ucrania
- Antimonopoly Committee
Unión Europea
- Competition Directorate (DG-COMP)