?- Merck KGaA
- Nipro Corporation
- Schott AG
- Stevanato Group
- West Pharmaceutical Services Inc.
- Gerresheimer AG
- Datwyler Holding Inc.
- AptarGroup Inc.
- Transcoject GmbH
- Shandong Province Medicinal Glass Co. Ltd.
- Kalbag Filters Pvt.
- Kel India Filters