| Name | Membership Type: | Country: | |
|---|
| Life Fitness | Supplier | Netherlands | View |
| Les Mills International | Supplier | United Kingdom | View |
| LAFC Lithuanian Association of Fitness Clubs | National Association | Lithuania | View |
| Kuntokeskus Liikku Oy | Employer/Operator | Finland | View |
| KNKF | Trade Association | Netherlands | View |
| KlubbSverige AB | National Association | Sweden | View |
| Johnson Health Tech Co. Ltd | Supplier | Taiwan | View |
| JNA SportDrink - Yanga | Supplier | Netherlands | View |
| IWI Nemzetközi Fitnesz Iskola | Training Provider | Hungary | View |
| ISSA Europe | Training Provider | Italy | View |
| ISAF INSTITUTE S.L. | Training Provider | Spain | View |
| Ireland Active | National Association | Ireland | View |
| International Sport Organization | Supplier, Other | Switzerland | View |
| Ingesport Health and Spa Consulting S.A. | Employer/Operator | Spain | View |
| Iconic Health Club | Employer/Operator | Ireland | View |
| High Five Health Promotion B.V. | Employer/Operator | Netherlands | View |
| HealthLab | Training Provider | Denmark | View |
| HDD Group | Employer/Operator | Netherlands | View |
| Granular Capital | Other | United Kingdom | View |
| Global Growth Partners BV | Supplier | Netherlands | View |
| FunXtion International B.V. | Supplier | Netherlands | View |
| Fundacion Estadio S.D. Fundazioa | Employer/Operator | Spain | View |
| Fundación España Activa - spainactive | National Association | Spain | View |
| France Active (FNEAPL) | National Association | France | View |
| Folkhälsan Utbildning Ab | Training Provider | Finland | View |
| Fivestar Fitness | Supplier | Kosovo | View |
| FitX Verwaltung GmbH | Other | Germany | View |
| FitTech Company GmbH | Employer/Operator | Germany | View |
| FITSPRO | Employer/Operator | Switzerland | View |
| Fitness.be | National Association | Belgium | View |
| fit20 International BV | Employer/Operator | Netherlands | View |
| Finnish Health and Fitness Center’s Association SKY | National Association | Finland | View |
| FIBO Niederlassung der Reed Exhibitions Deutschland Gmbh | Supplier | Germany | View |
| Federation of Migros Cooperatives | Employer/Operator | Switzerland | View |
| F&S Fitness & Health Clubs | Employer/Operator | Denmark | View |
| ExorLive AS | Supplier | Norway | View |
| Exerp ApS | Supplier | Denmark | View |
| Escola Superior de Desporto de Rio Maior - Sport Sciences School of Rio Maior (ESDRM) | Training Provider | Portugal | View |
| Escape Fitness | Supplier | United Kingdom | View |
| ENSEÑANZAS ORTHOS S.A. | Training Provider | Spain | View |
| Eleiko | Training Provider | Sweden | View |
| ELAV SRL | Training Provider | Italy | View |
| eFitness sp. z o.o. | Supplier | Poland | View |
| EFAA Opleiding and Training | Training Provider | Netherlands | View |
| edelhelfer GmbH | Supplier | Germany | View |
| Ecore International | Supplier | United States | View |
| Dynamo Capital LLP | Other | United Kingdom | View |
| DSSV (Deutscher Sportstudio Verband e.V.) | National Association | Germany | View |
| DIFG e.V. | Other | Germany | View |
| DFHO - Danish Fitness and Health Organisation | National Association | Denmark | View |