U
- U.S ROBOTICS
- UFILE
- Uglu Revolutionary Adhesive
- Ultimate Support Systems
- Ultra Electronics
- Ultra Stereo Labs, Inc.
- Ultralight Control Systems
- Ultralink
- ULTRANIX
- Ultratech
- UNICAN GROUP
- UNIFY INC
- UNIQUE
- Unique Product Solutions
- UNITECH
- United Security Products
- UNIVERSAL MUSIC
- Universal Remote
- University
- Unmanned Vehicle
- UNORTH
- UNXIS
- UNYTOUCH
- Upcom Technologies, Inc.
- UPLINK
- Uplink Sec./Numerex Solutions
- UPTIME DEVICESUS Music Corp.
- Ushio America, Inc.
- Utouch
