• WABOSAN Arzneimittelvertriebs GmbH
• Warsaw Pharmaceutical Works POLFA
• Warsaw Pharmaceutical Works POLFA S.A.
• Warsaw Pharmaceutical Works POLFA S.A. Pharmaceutical Works POLPHARMA S.A. Production Branch in Nowa Dęba
• Warsaw Pharmaceutical Works POLFA S.A. Zakłady Farmaceutyczne POLPHARMA SA
• Wessling GmbH
• Wick Pharma
• Wiewelhove GmbH
• Woerwag Pharma GmbH & Co. KG
• Woerwag Pharma Operations Sp. z o.o.
• Woerwag Pharma Operations Sp. z o.o. Woerwag Pharma Production GmbH & Co. KG
• Woerwag Pharma Production GmbH & Co. KG
• World Medicine Europe Ltd.
• Worwag Pharma GmbH & Co. KG
• Wroclaw Herbal Works "Herbapol" S.A.
• Wyeth Lederle S.r.l
• Wytwórnia Euceryny Pharmaceutical Laboratory COEL S.J. E.Z.M. Konstanty
• Wörwag Pharma GmbH & Co. KG