| QIAGEN AS ( Oslo, NO ) | Qiagen North American Holdings, Inc. ( Valencia, CA ) | Qilin Limited( Wan Chai ) |
| QIAGEN Diagnostics GmbH( Hamburg ) | QIAGEN Operon, Inc. ( Alameda, CA ) | Qimoda AG( Munich ) |
| QIAGEN Diagnostics GmbH ( Hamburg, DE ) | Qiagen, GmbH( Hilden ) | Qimoda AG ( Munich, DE ) |
| Qiagen Gaithersburg, Inc. ( Gaithersburg, MD ) | Qiagen, GmbH ( Hilden, DE ) | QIMONDA AG |
| Qiagen Genomics, Inc. ( Bothell, WA ) | QIAGEN, Inc.( Toronto ) | QIMONDA AG ( Dresden, DE ) |
| Qiagen GmbH | QIAGEN, Inc. ( Toronto, CA ) | QIMONDA AG ( Muenchen, DE ) |
| Qiagen GmbH ( 40724 Hilden, DE ) | Qiagen-GmbH( Hilden ) | Qimonda AG( Munchen ) |
| QIAGEN GmbH( Hilden ) | Qian Wei Paintball Support Co., Ltd.( Guangdong Province ) | QIMONDA AG ( Munchen, DE ) |
| QIAGEN GmbH ( Hilden, DE ) | Qian Xiang Shi Ji (Beijing) Technology Development Co. Ltd. ( Beijing, CN ) | Qimonda AG( Munich ) |
| Qiagen GmbH ( Hildend, DE ) | Qian; Qi-De ( Santa Clara, CA ) | Qimonda AG ( Munich, DE ) |
| QIAGEN GmbH( Hildren ) | Qian; Qijun ( Shanghai, CN ) | Qimonda AG( Neubiberg ) |
| Qiagen GmbH( Hilsden ) | Qiang Xu ( Nanjing City, CN ) | Qimonda Flash GmbH( Dresden ) |
| Qiagen GmbH ( Hilsden, DE ) | Qiao Gang Enterprise Co., Ltd.( Taichung ) | QIMONDA FLASH GMBH ( Dresden, DE ) |
| Qiagen GmbH ( Oslo, NO ) | QIDI Electric Group( Cixi ) | QIMONDA FLASH GMBH ( Munchen, DE ) |
| Qiagen GmbH, of Max-Volmer-Strasse ( Hilden, DE ) | QIDI Electric Group ( Cixi, CN ) | Qimonda Flash GmbH Co. KG( Dresden ) |
| QIAGEN INSTRUMENTS AG ( Hombrechtikon, CH ) | Qidi Electric Group Co., Ltd. | QIMONDA FLASH GMBH CO. KG ( Dresden, DE ) |
| Qiagen North American Holdings, Inc. ( Germantown, MD ) | Qihuang Pharmaceutical Technology and Investment Co., Ltd.( Beijing ) | |
|