- W.H.P.M. Bioresearch &Technology Co. Ltd
- W.H.P.M.Inc
- Wacunaga of America Co., Ltd/Unipharm Inc.
- Walter Rau GmbH & Co.KG Speickwerk
- Warwick Sasco
- Weckerle GmbH
- Weihai Unisplendour Biotechnology Development, Co.,Ltd.
- Welcos
- Wembley Rubber Products
- Wenzhou Longwan Dekang Medical Instrument Co
- Wenzhou Pangao Fitness Equipments Co., Ltd
- Wenzhou Ruiou Glasses Factoru