- Academy for Emergency Medical Services and averting of dangers of the school of fire department
- Academy for Sexual Medicine
- Amgen
- Association for Paediatric Urology – DGKCH
- Association for Urology in Bavaria / Austrian Society for Urology and Andrology Core Client for 19 years
- Association of Central Rhenish Surgeons
- Association of German Brewers
- Association of German Engineers
- Association of Lower Rhenisch-Westphalian Surgeons Core Client for 27 years
- Association of North German Urologists
- Bavarian Chamber of Commerce and Industry
- Bavarian Gastroenterology Society Core Client for 25 years
- Bavarian Ministry of Economics, Commerce and Technology
- Bavarian National Guild for Orthopaedic Shoe Technology
- Bayern International – Bavarian Bureau for International Business Relations
- Boehringer Ingelheim
- Bristol Myers Squibb
- Confederation of the German Insurance Industry
- Conference of German Administrative Courts
- Economical Initiatives for Germany
- Educational Week of practical Dermatology and Venereology Core Client for 15 years
- European Hematology Association Core Client for 2 years
- Eli Lilly
- Endo Club North Core Client for 6 years
- European Academy of Allergy and Clinical Immunology (EAACI)
- European Academy of Dermatology and Venereology (EADV)
- European Academy of Paediatric Dentistry Core Client for 6 years
- European Association for Cardio-Thoracic Surgery
- European Association for Palliative Care (EAPC) Core Client for 20 years
- European Association for the Study of Diabetes (EASD) Core Client for 21 years
- European Brain and Behaviour Society (EBBS)
- European Calcified Tissue Society (ECTS) Core Client for 7 years
- European Computer Vision Association (ECVA)
- European Council of Enterostomal Therapists (ECET)
- European Council of International Schools
- European Dystonia Foundation
- European Health Congress (EGK)
- European Neuroendocrine Association (ENEA)
- European Pancreatic Club (EPC)
- European Real Estate Society
- European Renal Association - ERA Core Client for 3 years
- European Respiratory Society (ERS) Core Client for 19 years
- European Rhinologic Society (ERS)
- European School of Breast Surgery (ESBS)
- European Society for Analytic Philosophy
- European Society for Cardiovascular Surgery (ESCVS)
- European Society for Dermatological Research (ESDR)
- European Society for Environmental History (ESEH)
- European Society for Medical Oncology
- European Society for Trauma and Dissociation (ESTD)
- European Society for Virology
- European Society of Cardiology - ESC
- European Society of Endocrinology
- European Society of Ophthalmic Plastic and Reconstructive Surgery
- Extracorporeal Life Support Organization (Euro-ELSO) Core Client for 6 years
- Federal Association of German Employers’ Organizations
- Federal Foreign Office
- Federation of the European Connective Tissue Societies
- Geman Society for Endocrinology
- German Academy for Psychoanalysis
- German Adiposity Society – DAG
- German Andrology Society – DGA
- German Atherosclerosis Society – DGAF
- German Central Association of Homeopathic Doctors – DZVHÄ
- German Geotechnical Society
- German Heart Center Munich – DHZ
- German Informatics Society
- German Medical Association
- German Pain Association Core Client for 27 years
- German Physical Society
- German Port Technology Association Core Client for 14 years
- German Radiological Society – DRG
- German Society for Aerospace Lilienthal-Oberth
- German Society for Computer and robotically-assisted Surgery
- German Society for robot-assisted Urology – DRUS Core Client for 16 years
- German Society for Gastroenterology, Digestive and Metabolic Diseases – DGVS Core Client for 33 years
- German Society for General and Visceral Surgery – DGAV Core Client for 19 years
- German Society for Hematology and medical Oncology – DGHO
- German Society for Hernias
- German Society for Medical Radiation Protection – DGMS
- German Society for Nutritional Medicine – DGEM Core Client for 26 years
- German Society for Paediatric Cardiology
- German Society for Palliative Medicine – DGP
- German Society for Reproductive Medicine – DGRM
- German Society for Thoracic and Cardiovascular Surgery – DGTHG Core Client for 35 years
- German Society for Transplantation – DTG
- German Society for Trenchless Technology (GSTT)
- German Society for Ultrasound in Medicine e. V.
- German Society for Vascular Surgery and Vascular Medicine – DGG
- German Society of Nuclear Medicine
- German Society of Occupational TherapistsCore Client for 18 years
- German Society of Ophthalmology – DOG Core Client for 15 years
- German Society of Pediatrics and Adolescent Medicine
- German Society of Urology – DGU Core Client for 19 years
- German Society of Visceral Surgery – DGVC
- GlaxoSmithKline
- GMDS & DGEpi & IEA-EEF annual Meeting (HEC)
- International Association of Parkinsonism and Related Disorders - IAPRD
- IGF Society (IGF)
- International Federation for the Surgery of Obesity and Metabolic Disorders
- International Federation of Fertility Societies
- International Federation of the Societies of Classical Studies
- International Ornithological Committee
- International Pig Veterinary Society
- International Society for Advance Care Planning
- International Society for Clinical Biostatistics (ISCB)
- International Society for Human and Animal Mycology (ISHAM)
- International Society for Minimally Invasive Cardiac Surgery
- International Society for Pharmacoeconomics and Outcomes Research (ISPOR)
- International Society of Environmental Epidemiology
- International Society of Environmental Medicine
- International Society on Infrared, Millimeter, and Terahertz Waves (IRMMW)
- International Symposium on Minimal Residual Cancer
- International Team for Implantology (ITI) Core Client for 20 years
- International Thermoelectric Society
- International Union of Pharmacology
- Liga Medicorum Homeopathica Internationalis
- Lipid League – DGFF
- LRZ Munich + MNM (Munich Network Management Team)
- Ludwig Maximilians University Munich – LMU
- ma-co maritime competence centre
- MasterCard
- Max-Planck-Institute
- Medtronic
- Mercedes Benz
- Merck KG
- Munich Tax Meeting Core Client for 34 years
- Neue Gruppe – Scientific Association of Dentists
- Novartis Pharma
- Novo Nordisk
- Observatory of Hamburg
- Parexel International
- Pfizer
- Polymer Processing Society
- Roche Diagnostics
- Rotary International
- Saarland-Palatinate Association of Internists Core Client for 21 years
- Sanofi Synthelabo GmbH
- SEMICON Europe
- Siemens
- Society for Biochemistry and Molecular Biology – GBM
- Society for Gastroenterology in North Rhine-Westphalia Core Client for 21 years
- Society for Medicinal Plant and Natural Product Research
- Society for Molecular Biology and Evolution
- Society for Systems Engineering
- Society for the Promotion of the Economy of Eastern Wuerttemberg
- Society of Neonatal and Paediatric Intensive Care – GNPI
- Society of Nutrition and Food Science SNFS
- South-West-German Society of Urology Core Client for 16 years
- Straumann Group
- Takeda
- Technical University Munich – TU
- Teva
- The Brewers of Europe
- The German Government
- German Surgical Society for Coloproctology – CACP
- The Transplantation Society (TTS)
- Umbrella Association Reproduction Biology and Medicine – DVR
- Union Internationale des Avocats
- University Hamburg
- University Hohenheim
- Very Large Data Base Endowment Inc.
- World Allergy Organization & European Academy of Allergology and Clinical Immunology
- World Association for Dynamic Psychiatry
- World Association for Infant Mental Health
- World Association of Theoretical and Computational Chemists
- World Federation of Associations of Pedatric Surgeons
