- QIAGEN N.V.Netherlands
- Qilu Pharmaceutical Co., Ltd.China
- QILU PHARMACEUTICAL HULUN BUIR BRANCHChina
- QINGDAO CHROMSEP BIOTECH CO LTDChina
- QINGDAO GLYCOGENE PHARMACEUTICAL TECHNOLOGY CO LTDChina
- QINGDAO JIULONG BIOPHARMACEUTICAL CO LTDChina
- QINGDAO WANTUMING BIOLOGICAL CO LTDChina
- QINHUANGDAO ZIZHU PHARMACEUTICAL CO LTDChina
- Qpharma, Inc.United States
- QPS Holdings, LLCUnited States
- QPS Pharma InternationalUnited States
- QUACELL BIOTECHNOLOGY CO LTDChina
- Qualigens Pharma Private LimitedIndia
- Quality Assistance S.a.Belgium
- QUALITY CHEMICALS SLSpain
- Queisser Pharma Gmbh & Co. KgGermany
- QUIMICA SINTETICA SASpain
- Quotient Sciences Ltd.United Kingdom