| Company Name | Country |
|---|---|
| Amivas Ireland Ltd | Ireland |
| AMMTeK srl | France |
| Amphera BV | Netherlands |
| AMW GmbH | Germany |
| Amyl Therapeutics | Belgium |
| ANABIOSIS SA | Greece |
| AnaCardio AB | Sweden |
| Anavex Germany GmbH | Germany |
| André LHOIR | Belgium |
| Aneuryst (Ireland) Limited | Ireland |
| Angany Innovation SAS | France |
| Angiocrine Bioscience Limited | Ireland |
| AnimAb BV | Belgium |
| Aniserve GmbH | Germany |
| Anocca AB | Sweden |
| Anotaciones Farmacéuticas, S.L. | Spain |
| ANTABIO SAS | France |
| Anthos Therapeutics Limited | Ireland |
| Antoinette Tolkamp (trading as Vet Online Consultancy) | Germany |
| APC Instytut Sp. z o.o. | Poland |
| APC Pharmlog Sp. z o.o. | Poland |
| Aplagon Oy | Finland |
| Apo-Care Pharma GmbH | Germany |
| Applied Research Using Omic Sciences | Spain |
| Apta Medica Internacional d.o.o. | Slovenia |
| Aptadel Therapeutics, S.L. | Spain |
| Aptarion Biotech AG | Germany |
| AptaTargets, S.L. | Spain |
| Apurano Pharmaceuticals GmbH | Germany |
| Aqilion AB | Sweden |
| Aquilón CYL, S.L. | Spain |
| AqVida GmbH | Germany |
| ARAC AT Regulatory Affairs Consulting GmbH | Austria |
| Arctic Therapeutics, hf | Iceland |
| ARDEAPHARMA a.s. | Czech Republic |
| ARDEZ Pharma, spol. s r.o. | Czech Republic |
| Ariceum Therapeutics GmbH | Germany |
| Ariti S.A. | Greece |
| Arriani Pharmaceuticals SA | Greece |
| Arriello s.r.o. | Czech Republic |
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