| UOP ( Des Plaines, IL ) | UP Management GmbH Co Med-Systems KG ( Muenchen, DE ) | UPEC Electronics Corp. |
| UOP ( Des Plains, IL ) | Up ToDate Inc. ( Waltham, MA ) | UPEC ELECTRONICS CORP. ( Junghe, TW ) |
| UOP Inc. ( Des Plaines, IL ) | UPAID SYSTEMS ( Paris, FR ) | Upek, Inc. ( Berkeley, CA ) |
| UOP LCC ( Des Plaines, IL ) | Upaid Systems, Ltd( Paris ) | UPEK, Inc. ( Emeryville, CA ) |
| UOP LLC | Upaid Systems, Ltd.( Paris ) | uper Made Products Co., Ltd.( Taipei ) |
| UOP LLC ( Des Blaines, IL ) | Upat GmbH & Co. ( Emmendingen, DE ) | UPF Corporation |
| UOP LLC ( Des Moines, IL ) | UPAT GmbH & Company ( Emmendingen, DE ) | UPF Corporation ( Bakersfield, CA ) |
| UOP LLC ( Des Plaines, IL ) | UpBeat Audio, Inc. | UpFront Chromatography( Copenhagen ) |
| UOP LLC ( Des Planies, IL ) | UPC Co., Ltd. | Upfront Chromatography A/S |
| UOP LLC, a corporation of the state of Delaware ( Des Plaines, IL ) | Upchuck, LLC ( Longwood, FL ) | Upfront Chromatography A/S( Copenhagen ) |
| UOP, LLC ( Des Plaines, IL ) | Upchurch Scientific, Inc. ( Oak Harbor, WA ) | Upfront Chromatography A/S ( Copenhagen, DK ) |
| Uortel Networks Limited | Upcyclers, Inc. ( Kent, OH ) | Upfront Chromatography A/S ( Copenhagen O, DK ) |
| Up Down Systems Co., Ltd.( Seoul ) | UPD Corporation | Upgradedetect, Inc. ( Irvine, CA ) |
| Up & Adam, Inc. ( Framingham, MA ) | UPD Corporation ( Icheon-si, KR ) | Upholstery Trading Ltd. |
| Up & Down Systems Co., Ltd.( Seoul ) | UPD Corporation( Kyunggi-do ) | UPI Corporation ( Whippany, NJ ) |
| Up Inc.( Hyogo ) | UPD Corporation ( Kyunggi-do, KR ) | UPI SEMICONDUCTOR Corp. |
| Up Inc. ( Hyogo, JP ) | Update Publications LP | |
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