| U Sonics |
| U.I. Lapp GmbH |
| U.S. Sensor (Littelfuse) |
| U.T.E. Electronic GmbH & Co. KG |
| Uas Inc |
| Ube Industries |
| Ubi |
| u-blox |
| Uchida |
| Uci |
| UDCE Ltd |
| UDOO |
| UDOR S.p.A. |
| Udt Instruments |
| Udt Sensors |
| Udylite |
| Ue Precision Sensors Div |
| Uei |
| Ugly Electrical |
| Uhing |
| Uic |
| UJ Korea co. |
| Uk Sail Makers |
| Ukita Kogyo Co Ltd |
| ULMER Transformatoren GmbH |
| Ulricedals Ab |
| Ulrich Buhr Industrie-Elektronik |
| Ulstein Marine Electronics |
| Ultimaker |
| ULTI-MATE |
| Ultra |
| Ultra Air Inc |
| Ultra Dynamics Corp |
| Ultra Electronic GmbH |
| Ultra Electronics |
| Ultra Librarian® |
| Ultra Sonic Seal |
| Ultra Vac |
| ULTRAFILTER |
| ultrafilter GmbH |
| Ultrak |
| Ultraleap |
| Ultralife |
| Ultramation Inc |
| Ultrasonic Generators |
| Ultrasonic Power |
| Ultratech |
| UltraVolt |
| ULVAC |
| Ulvac |
| Ulveco |
| Umax Technologies |
| Umec |
| Umi |
| Umpco |
| Umsco |
| Unbrako |
| UNELVENT |
| Unex |
| Unexpected Maker |
| Ungar |
| Ungar / Weller |
| Ungermann Bass |
| Uni Chain & Belt Systems |
| Uni Fab |
| Uni Op |
| Uni Strut |
| Uni Tel |
| Uni-ball |
| UNICO |
| Unico |
| Unico Deutschland GmbH |
| Unicoil |
| Unicom Electric |
| Unicomp |
| Unicon |
| UNICONTROL ELECTRONIC |
| Unicorn Containers |
| Unictron |
| Unidata |
| Uniden |
| Unidex |
| Unidor Industrieelektronik GmbH |
| Unidrive |
| Unidyne |
| UNIFIL |
| Unifiller |
| Unifilter Cartridges |
| UNIFIX VORTEX |
| UNIFLEX |
| Uniflex-Hydraulik |
| Uniflow |
| UNI-Geraete GmbH |
| UNI-Geräte |
| UNI-Geräte GmbH |
| Uniglove |
| Unilite |
| Uniloc |
| Uniloy |
| Unilux |
| Unimac |
| UNIMATIC |
| UNIMATIC GmbH |
| Unimation Inc |
| Unimax |
| UniMeasure |
| Unimeasure |
| UNIMEC |
| Unimec Deutschland GmbH |
| UNIMEC S.p.A. |
| Unimetal Sp.z o.o. |
| Unioeler |
| Union Butterfield |
| Union Carbide |
| UNION Instruments |
| Union Semiconductor (HK) Limited |
| Uniop |
| Uniphase |
| Unipo |
| Unipower |
| Unipress |
| Unipro |
| Unipulse |
| Unirise USA |
| Uniroyal |
| Unis Onderhoud bv |
| Unisen |
| Unison |
| Unisorb |
| Unisource |
| Unist |
| Unistrut |
| Unistrut Inc |
| Unisys |
| Unit Instruments |
| Unitary Products Group |
| UNITEC |
| Unitec |
| Unitec AG |
| Unitech Instrument Division |
| Unitecnic |
| United Automation |
| United Barcode |
| United Chemi Con |
| United Chemi-Con |
| United Drill Bushing |
| United Electric |
| United Power Corp |
| United Sciences |
| United Silicon |
| United Technologies |
| UnitedSiC |
| Unitek Industrie Elektronik GmbH |
| Unitek Miyachi |
| Unitherm |
| Unitrack |
| Unitro |
| Unitrode |
| Unitrol |
| Unitrol Electronics |
| Unitron |
| Unitronics |
| Unitta |
| Unity Mfg |
| UNI-VALVE |
| Univer |
| UNIVER GmbH |
| Univer Group |
| UNIVER Magnetvalve |
| Universal |
| Universal Ballast |
| Universal Coach |
| Universal Components Inc |
| Universal Data Systems |
| Universal Dynamics |
| Universal Electric |
| Universal Enterprise |
| Universal Flow Monitors |
| Universal Hydraulik |
| Universal Hydraulik GmbH |
| Universal Instrument |
| Universal Lighting Technologies |
| Universal Lighting Technology |
| Universal Machine |
| Universal Mfg |
| Universal Pack |
| Universal Polymer |
| Universal Rectifiers |
| Universal Security |
| Universal Voltronics |
| University Sound |
| Univision |
| Unixtar Technology |
| Unomat |
| UP Board |
| UPC United Process Controls |
| Update Systems Inc |
| Upperspace |
| Ups Control |
| Upsonic |
| Uptegraff |
| URACA |
| URACA Pumpenfabrik GmbH & Co KG |
| Urakawa |
| Urban |
| U-Reach Data Solutions, Inc. |
| Ursaflop |
| UrsaLeo |
| Urschel |
| Uryu Aimco |
| Uryu Seisaku |
| Us Automatic |
| Us Ballast |
| Us Battery |
| Us Broach |
| US Custom Billet |
| Us Dockmaster Mfg |
| Us Drives |
| Us Electric |
| Us Elevator |
| Us Filter |
| Us Gauge |
| US Gauge |
| Us Metal Forming |
| US Micro Screw |
| Us Motors |
| Us Plastics Corp |
| Us Robotics |
| Us Safety |
| US Sensor / Littelfuse |
| Us Systems |
| Us Technologies |
| Us Tsubaki |
| Us Valve |
| Usd |
| Usg Interiors Incorporated |
| Ushio |
| US-Lasers, Inc. |
| Usm Corporation |
| Uson Corp |
| USound GmbH |
| Uspc |
| Uss Packaging Sys |
| Ut Electronic Controls |
| Utica |
| Utica Tools |
| UTICELL Germany |
| Uticor |
| UTILCELL |
| Utilco |
| Utitech |
| Utp |
| Utsunomiya Seisakusho |
| UTV CAVI S.R.L. |
| UTZ |
| UUGear |
| Uv Technique |
| UVC Light GmbH |
| Uvex |
| UVOX |
| Uvp Inc |
| UWE POPHOF |
