- u-blox AG (Schweiz, CHE)
- u-blox America, Inc. (Reston, VA)
- U-MARQ USA Corp. (New Milford, CT)
- U-POL US, Inc. (Easton, PA)
- U-Select-It, Inc (Clive, IA)
- U-Tec Group Inc. (Union City, CA)
- U-Teck (Fayetteville, NC)
- U. S. Polychemical Corporation (Chestnut Ridge, NY)
- U.S Cellular (Chicago, IL)
- U.S. Architectural Lighting (Palmdale, CA)
- U.S. Architectural Lighting (Palmdale, CA)
- U.S. Automation Incorporated (Brookfield, WI)
- U.S. Ceramic Tile Co. (East Sparta, OH)
- U.S. Chemical Storage (Wilkesboro, NC)
- U.S. Chrome Corporation (Stratford, CT)
- U.S. Concrete Products Corp. (Fort Lauderdale, FL)
- U.S. Concrete, Inc. (Euless, TX)
- U.S. Converters LLC (Sedona, AZ)
- U.S. Corrosion Technologies (Garland, TX)
- U.S. Department of Energy (Washington, DC)
- U.S. EPA (Durham, NC)
- U.S. Export Authority, Inc. (San Jose, CA)
- U.S. FDD Brakes (Tappahannock, VA)
- U.S. Gain (Appleton, WI)
- U.S. Greenfiber Corp., LLC (Charlotte, NC)
- U.S. Hemp Growers Association (USHGA) (Lenexa, KS)
- U.S. Laser Corp. (Wyckoff, NJ)
- U.S. Lubricants (Appleton, WI)
- U.S. Lumber (Lynbrook, NY)
- U.S. Mat & Rubber Corp. (Brockton, MA)
- U.S. Money Reserve (Austin, TX)
- U.S. Nameplate Co. (Mount Vernon, IA)
- U.S. Paint (Saint Louis, MO)
- U.S. Para Plate (Bristol, VA)
- U.S. Postal Service (Washington, DC)
- U.S. Products (Coeur D'alene, ID)
- U.S. Rigging Supply Corp. (Santa Ana, CA)
- U.S. Safety Div., Parmelee Industries, Inc. (Lenexa, KS)
- U.S. Silica Company (Berkeley Springs, WV)
- U.S. Steel Canada - Subsy of United States Steel (Hamilton, ON, CAN)
- U.S. Steel Corp. (Pittsburgh, PA)
- U.S. Steel Tubular Products (Pittsburgh, PA)
- U.S. Sunlight Corp. (Livermore, CA)
- U.S. Tech Corp. (East Syracuse, NY)
- U.S. Titanium Industry Inc. (Baldwin Park, CA)
- U.S. Tsubaki Inc. (Wheeling, IL)
- U.S. Tsubaki Power Transmission, LLC (Wheeling, IL)
- U.S. Tsubaki, Inc. (Wheeling, IL)
- U.S. Water Services (Plymouth, MN)
- U.S. Well Services, LLC (Houston, TX)
- U.S. Xpress, Inc. (Chattanooga, TN)
- U.S.Barge, LLC (Portland, OR)
- U.S.F. Fabrication, Inc. (Hialeah, FL)
- UACJ Automotive Whitehall Industries (Ludington, MI)
- UAS Canada Inc. (Abbotsford, BC, CAN)
- UberCloud (Los Altos, CA)
- Ubicom, Inc. (Sunnyvale, CA)
- UBICS, Inc. (Canonsburg, PA)
- Ubidyne GmbH (D-89081 Ulm, DEU)
- UbiQD, Inc. (Los Alamos, NM)
- Ubiquity Software (Redwood City, CA)
- Ubisense Group Plc (Denver, CO)
- Ubixon Co., Ltd. (Jong ku, KOR)
- UBM Americas (New York City, NY)
- UBM Canon (Santa Monica, CA)
- UBM TechInsights - Austin (Austin, TX)
- Ucamco (San Francisco, CA)
- Ucamco (San Francisco, CA)
- Ucancode software, Inc. (HongKong, CHN)
- UCB Manufacturing (Rochester, NY)
- UCN, Inc. (Bluffdale, UT)
- uControl (Austin, TX)
- UD Trucks North America Inc (Greensboro, NC)
- UDS Hardware (Corona, CA)
- UDT Instruments (San Diego, CA)
- UDT Sensors, Inc. (Hawthorne, CA)
- UE Systems, Inc. (Elmsford, NY)
- UEC Technologies LLC (Pittsburgh, PA)
- UEI (Watertown, MA)
- Uei (Cypress, CA)
- UFE Incorporated (Stillwater, MN)
- Ufi Filters (Twinsburg, OH)
- UFO Heaters (Los Angeles, CA)
- UFP Technologies (Newburyport, MA)
- UFP Technologies, Inc. (Kissimmee, FL)
- UGS (Milford, OH)
- UGS Corp. (Maryland Heights, MO)
- UGS PLM Software (Plano, TX)
- UHC (Chicago, IL)
- Uhlmann Packaging Systems L.P. (Towaco, NJ)
- UIP International, Inc. (Pompano Beach, FL)
- UiPath (New York, NY)
- UIQ Technology (Ronneby, SWE)
- UKI/Supreme Corp. (Conover, NC)
- UL (Melbourne, AUS)
- UL Solution (Northbrook, IL)
- UL Solutions (Northbrook, IL)
- Ulbrich Stainless Steels & Special Metals, Inc. (North Haven, CT)
- ULC Robotics (Hauppauge, NY)
- Ulead Systems (Torrance, CA)
- ULIS S. A. S. (Veurey-Voroize, FRA)
- Ullink, Inc. (New York, NY)
- Ulrich Medical USA, Inc (Chesterfield, MO)
- ULT AG (Lobau, DEU)
- ULT Canada Sales Incorporated (Okotoks, AB, CAN)
- Ultera Systems Inc. (Laguna Hills, CA)
- Ulterion International (Taylors, SC)
- Ulterra Drilling Technologies (Fort Worth, TX)
- Ulthera, Inc. (Mesa, AR)
- Ulticom (Mount Laurel, NJ)
- UltimaCalc (Powys, GBR)
- Ultimaker North America (Cambridge, MA)
- Ultimate Linings (Houston, TX)
- Ultimate Software (Weston, FL)
- Ultimation Industries, LLC (Roseville, MI)
- Ultimus Inc (Cary, NC)
- Ultra Clean Technology (Hayward, CA)
- Ultra Communications (Fallbrook, CA)
- Ultra Consultants, Inc (Chicago, IL)
- Ultra Consultants, Inc. (Chicago, IL)
- Ultra Electronics (Yaphank, NY)
- Ultra Electronics Card Systems (Weymouth Dorset, GBR)
- Ultra Electronics USSI (Columbia City, IN)
- Ultra Energy (Round Rock, TX)
- Ultra Industries, Inc. (Wyoming, MN)
- Ultra Intelligence & Communications (Woburn, MA)
- Ultra Marine West (Fort Lauderdale, FL)
- Ultra Maritime (Wallingford, CT)
- Ultra Motion (Cutchogue, NY)
- Ultra Pure, LLC (Darien, CT)
- Ultra seal lock corp. (Bartlett, IL)
- Ultra Tech (Port Washington, WI)
- Ultra Tool Mfg., Inc. (Germantown, WI)
- Ultra-Spray Technology (Haverhill, MA)
- Ultra-Tec Cable Railing Systems (Carson City, NV)
- UltraCell Corporation (Livermore, CA)
- Ultrachem, Inc. (New Castle, DE)
- Ultrafab, Inc. (Farmington, NY)
- Ultraflex International (Ronkonkoma, NY)
- Ultraflex Power Technologies (Ronkonkoma, NY)
- Ultraflo Corporation (Sainte Genevieve, MO)
- Ultralife Corporation (Newark, NY)
- UltraLights Lighting (Tucson, AZ)
- Ultramain Systems, Inc. (Albuquerque, NM)
- Ultraray Radiation Protection (Oakville, ON, CAN)
- UltraSense Systems Inc. (San Jose, CA)
- UltraSoC (Cambridge, GBR)
- Ultrasonic Industry Association (UIA) (Dayton, OH)
- Ultrasonic Power Corporation (Freeport, IL)
- Ultrasonix Medical Corp. (Burnaby, CAN)
- Ultrasource (Hollis, NH)
- UltraSource LLC. (Kansas City, MO)
- Ultratape Industries (Wilsonville, OR)
- UltraTech International, Inc. (Jacksonville, FL)
- UltraTech Machinery, Inc. (Cuyahoga Falls, OH)
- Ultratech, Inc. (San Jose, CA)
- Ultratech, Inc. (Bloomingdale, IL)
- UltraVision Security Systems, Inc (Salem, NH)
- UltraVolt, Inc. (Ronkonkoma, NY)
- Ultrawatt (Fort Myers, FL)
- Ultriva, Inc. (Cupertino, CA)
- Uluxus, LLC (Oakland, CA)
- ULVAC (Kanagawa, JPN)
- Ulvac Technologies, Inc. (Methuen, MA)
- Umbraco, LLC (New York, NY)
- Umbria, Inc. (Boulder, CO)
- UMC Automation (Andrews, TX)
- UMC Healthcare Collections,LLC (Aurora, IL)
- Umeta of America, Inc. (Denver, NC)
- Umetrics Inc (Butler, NJ)
- Umicore Technical Materials - Contact Materials Business Unit (Glens Falls, NY)
- Unanet Technologies (Sterling, VA)
- Unanimous AI (San Francisco, CA)
- Unarco Material Handling, Inc. (Springfield, TN)
- Unbound Medicine, Inc. (charlottesville, VA)
- Unbrako Group (Downey, CA)
- Undelete Company,The (Milpitas, CA)
- Under Armour, Inc. (Baltimore, MD)
- Under-Wraps (Lakeside, CA)
- Underhill International Corporation (Mission Viejo, CA)
- Underwater Construction Corp. (Stevensville, MI)
- Underwater Kinetics (Poway, CA)
- Underwriters Laboratories, Inc. (UL) (Northbrook, IL)
- Uneeda Enterprizes, Inc. (Spring Valley, NY)
- Unetixs Vascular Inc (North Kingstown, RI)
- Unetixs Vascular Inc (North Kingstown, RI)
- Unette Corporation (Randolph, NJ)
- Unex Manufacturing (Lakewood, NJ)
- Unger Enterprises, LLC (Bridgeport, CT)
- Ungerer America (Wyomissing, PA)
- Uni-Fit Co. (Redwood City, CA)
- Uni-Pixel Displays, Inc. (The Woodlands, TX)
- Uni-Systems, LLC (Minneapolis, MN)
- Uni-Tech Engineering Sales Company (Pelham, AL)
- Uni-Wash Inc. - The Industrial Ventilation Group (Harbor Springs, MI)
- Unibar (Rochester Hills, MI)
- Unibind (Rijksweg, BEL)
- Uniboard Canada Inc. (Laval, QC, CAN)
- UniCarriers Forklifts (Marengo, IL)
- Unicast (Easton, PA)
- Unicco (Auburndale, MA)
- UNICO (Dayton, NJ)
- Unico, Inc. (Franksville, WI)
- Unicor Plastic Machinery, Inc. (Chapeau, QC, CAN)
- Unicorn HRO (Florham Park, NJ)
- Uniden America Corporation (Irving, TX)
- Unidex Corporation (Warsaw, NY)
- UniEnergy Technologies (Mukilteo, WA)
- Unifact Corporation (Boston, MA)
- Unifi (Atlanta, GA)
- Unifi Technologies, Inc. (Bend, OR)
- Unifi, Inc. (Greensboro, NC)
- Unified Brands (Jackson, MS)
- Unified Technologies (Cleveland, OH)
- Unifiller Systems, Inc. (Delta, BC, CAN)
- Unifin International, Inc. (London, ON)
- UniFirst Corp. (Wilmington, MA)
- Unifuse LLC (Staatsburg, NY)
- Unify Corp. (Roseville, CA)
- Unify Square, Inc. (Bellevue, WA)
- Unify VMSP Ltd (London, GBR)
- UniGroup Logistics (Fenton, MO)
- UniKey Technologies, Inc. (Winter Park, FL)
- UniLink (Jackson, WY)
- Uniloc USA Inc. (Irvine, CA)
- Uniloy (Tecumseh, MI)
- Unilux Inc. (Saddle Brook, NJ)
- Unimar, Inc. (North Syracuse, NY)
- Unimark Products (Lenexa, KS)
- Unimax (New York, NY)
- Unimax Systems Corporation (Minneapolis, MN)
- Unimeasure, Inc. (Corvallis, OR)
- Unimetal Surface Finishing (Thomaston, CT)
- Unimin Corp. (New Canaan, CT)
- Uninterruptible Power Products, Inc. (Friendship, WI)
- Union Built PC Inc. (Copiague, NY)
- Union Butterfield Corp. (Asheville, NC)
- Union Energy Limited (Oshawa, ON, CAN)
- Union Etchants International, Inc. (Woburn, MA)
- Union Pacific Corp. (Omaha, NE)
- Union Process, Inc. (Akron, OH)
- Union Standard/Union Confectionery (Bronx, NY)
- Union Tech Co., Inc. (Houston, TX)
- Union Tech Inc. (Saint Charles, IL)
- Uniper Care Technologies (Los Angeles, CA)
- UNIPHIZ Lab (Tver, RUS)
- Unipier Ltd. (Netanya, ISR)
- Uniport, Inc. (Ocala, FL)
- Unipower Corporation (Coral Springs, FL)
- Unipress Software, Inc. (Edison, NJ)
- Uniprint (Miami, FL)
- Uniprise International, Inc. (Terryville, CT)
- Unique Fabricating, Inc. (Auburn Hills, MI)
- Unique Tool & Gauge, Inc. (Windsor, ON, CAN)
- Unique Welding & Fabricating (Strasburg, OH)
- Unique Wire Weaving Co., Inc. (Hillside, NJ)
- Unirac, Inc. (Albuquerque, NM)
- Unirac, Inc. (Albuquerque, NM)
- Unirak Storage Systems, Inc. (Taylor, MI)
- Uniroyal (Laval, QC, CAN)
- Uniroyal Engineered Products, LLC. (Stoughton, WI)
- Unisecure Data Centers US (Forest Hills, NY)
- Unisecure Data Centers US (Forest Hills, NY)
- UNISIG Deep Hole Drilling Systems (Menomonee Falls, WI)
- Unison Corp. (Ferndale, MI)
- Unison Corporation (Ferndale, MI)
- Unison Hardware, Inc. (Sacramento, CA)
- Unison Hardware, Inc. (Sacramento, CA)
- Unison North America (Ringgold, VA)
- Unisorb Installation Technologies (Michigan Center, MI)
- Unisource (Norcross, GA)
- Unisource Worldwide, Inc. (Rochester, MI)
- UNIST, Inc. (Grand Rapids, MI)
- Unistal Systems Pvt. Ltd. (New Delhi, IND)
- Unisto Electronic Seals (South Wales, GBR)
- Unisys Corp. (Blue Bell, PA)
- Unit Pack Co., Inc. (Cedar Grove, NJ)
- Unit Petroleum (Tulsa, OK)
- UNIT4 Business Software (Manchester, NH)
- UNIT4 N.V. (Sliedrecht, NLD)
- Unitask, Inc (Cincinnati, OH)
- Unitech Power Technology Co., Ltd. (Mountain View, CA)
- United Agri Products (Belle Glade, FL)
- United Animal Health (Sheridan, IN)
- United Business Technologies (Mclean, VA)
- United Case, a UFP Technologies brand (Kissimmee, FL)
- United Chemi-Con, Inc. (Rolling Meadows, IL)
- United Company RUSAL (Moscow, RUS)
- United Control Systems, Inc. (Princeton, NJ)
- United Conveyor Corp. (Waukegan, IL)
- United CoolAir, LLC (York, PA)
- United Electric Controls (Watertown, MA)
- United Electronic Industries (Walpole, MA)
- United Electronics (Franklin Park, IL)
- United Equipment Accessories, Inc. (Waverly, IA)
- United Express Airlines (North Platte, NE)
- United Filters International (Amarillo, TX)
- United Flexible (Romeoville, IL)
- United Grinding & Machine Co. (Canton, OH)
- UNITED GRINDING North America, Inc (Miamisburg, OH)
- United Grinding North America, Inc. (Miamisburg, OH)
- United Grinding, Inc. (South Windsor, CT)
- United Keys (San Jose, CA)
- United Launch Alliance (Centennial, CO)
- United Microelectronics Corp (Sunnyvale, CA)
- United Mobile Apps (Karnataka, IND)
- United Nations Environment Programme (UNEP) (Washington, DC)
- United Nations Framework Convention on Climate Change (UNFCCC) (D-53153 Bonn, DEU)
- United Pacific, Inc. (Columbia, SC)
- United Performance Metals (Hamilton, OH)
- United Planet (Berkshire, GBR)
- United Plastics Group, Inc. (Oak Brook, IL)
- United Print. Signs. Graphics. (Seattle, WA)
- United Receptacle, Inc. (Pottsville, PA)
- United Recycling (Bridgeport, CT)
- United Renewable Energy (Alpharetta, GA)
- United Rentals Equipment & Tool Rentals (East Syracuse, NY)
- United Resin Corp. (Royal Oak, MI)
- United Soft Plastics, Inc. (Lawrenceville, GA)
- United Space Alliance (Houston, TX)
- United Speaker (Jacksonville, FL)
- United States Access Board (Washington, DC)
- United States Bronze Powders, Inc. (Flemington, NJ)
- United States Data Corp. (Richardson, TX)
- United Stationers Supply Co. (Des Plaines, IL)
- United Steelworkers (Pittsburgh, PA)
- United Steelworkers (Pittsburgh, PA)
- United Technologies Corp. (Farmington, CT)
- United Technologies Research Center (East Hartford, CT)
- United Walls, Inc. (Winter Garden, FL)
- United Wind (Brooklyn, NY)
- United Wire & Cable Inc. (Richmond Hill, ON, CAN)
- Unitek Benchmark (Goffstown, NH)
- Unitil Corp. (Hampton, NH)
- Unitime Systems Inc. (Boulder, CO)
- Unitrac Railroad Materials, Inc. (Knoxville, TN)
- Unitrends (Columbia, SC)
- Unitron, Inc. (Commack, NY)
- Unitronics Headquarters (Airport, ISR)
- Unitronics Inc (Quincy, MA)
- Unity Semiconductor Corp. (Sunnyvale, CA)
- Unity Solutions LLC (Clearwater, FL)
- Univa Corporation (Hoffman Estates, IL)
- UNIVAL, Inc. (Ann Arbor, MI)
- Univar Solutions (Richmond, BC, CAN)
- Univar Solutions Inc. (Downers Grove, IL)
- Univenture (Marysville, OH)
- Universal abit USA Corporation (Fremont, CA)
- Universal AET (Stoughton, WI)
- Universal Air & Gas Products (aka Universal Air Products Corp.) (Norfolk, VA)
- Universal Air Filter Co. (Sauget, IL)
- Universal Balancing Ltd. (Grand Rapids, MI)
- Universal Compression, Inc. (Houston, TX)
- Universal Corporation (Warren, MI)
- Universal Electric Corporation (Canonsburg, PA)
- Universal Electric Corporation (UEC) (Canonsburg, PA)
- Universal Electronics, Inc. (Whitewater, WI)
- Universal Energy Services (Alpena, MI)
- Universal Engineering Div., U.E. Stamping, Ltd. (St. Thomas, ON, CAN)
- Universal Engineering Sciences (Orlando, FL)
- Universal Fibers (Bristol, VA)
- Universal Flow Monitors, Inc. (Hazel Park, MI)
- Universal Forest Products, Inc. (Grand Rapids, MI)
- Universal Guardian, Inc. (Newport Beach, CA)
- Universal Instruments (Hammond, IN)
- Universal Instruments Corp. (Binghamton, NY)
- Universal Labeling Systems, Inc. (Saint Petersburg, FL)
- Universal Laser Systems Inc. (Scottsdale, AZ)
- Universal Lighting Technologies (Nashville, TN)
- Universal Lubricants (Wichita, OH)
- Universal Manufacturing Corp. (Zelienople, PA)
- Universal Package (Ferdinand, IN)
- Universal Plastic Bag Co. (Ontario, CA)
- Universal Plastics Group, Inc. (Holyoke, MA)
- Universal Power Group (Coppell, TX)
- Universal Protective Packaging, Inc. (Mechanicsburg, PA)
- Universal Pultrusions LLC (Decatur, MI)
- Universal Remote Control Inc (Harrison, NY)
- Universal Robotics (Nashville, TN)
- Universal Robots (Odense, DNK)
- Universal Robots USA, Inc. (Ann Arbor, MI)
- Universal Scientific Industrial Co., Ltd. (Tsao Tuen, Nan-Tou, TWN)
- Universal Security Instruments, Inc. (Owings Mills, MD)
- Universal Services of America (Los Angeles, CA)
- Universal Sodexho (Gaithersburg, MD)
- Universal Stainless & Alloy Products Inc. (Bridgeville, PA)
- Universal Supply Co. (Manahawkin, NJ)
- Universal Tag (Dudley, MA)
- Universal Technical Services (Duncan, SC)
- Universal Trailer Inc. (Deerbrook, WI)
- Universal Tube & Rollform Equipment Corp. (Perrysburg, OH)
- Universal Turbine Parts, Inc. (Prattville, AL)
- UniversalPromo, Inc. (Maple Grove, MN)
- Universant Corporation (Reno, NV)
- UNIVERSE Software GmbH (Neuss, DEU)
- Universeal North America (Montreal, QC, CAN)
- University of Arizona (Tucson, AZ)
- Uniweld Products, Inc. (Fort Lauderdale, FL)
- Uniwest (Pasco, WA)
- UNIZ Technology LLC (San Diego, CA)
- Unlimited Services (Oconto, WI)
- UNOTRON, INC. (Dallas, TX)
- UNOVA, Landis Grinding Systems (Waynesboro, PA)
- Untangle, Inc. (San Mateo, CA)
- UNTHA shredding technology (Kuchl, AUT)
- Unwirepark ApS (Kbh K, DNK)
- UNX, LLC (New York, NY)
- UPCARE Technology, Inc. (Marquette, MI)
- Upchurch Scientific (Oak Harbor, WA)
- UpClock Software (620089, RUS)
- Upcurve Cloud (Ramsey, NJ)
- UPEK, Inc. (Emeryville, CA)
- Uplink Security, LLC (Atlanta, GA)
- Uplinkearth (Somerset, NJ)
- Uplinx Pty Ltd (Sydney, AUS)
- UPM North America (Westmont, IL)
- UPM RAFSEC (Tampere, FIN)
- UPM RFID (Pirkkala, FIN)
- UPM-Raflatac Inc. (Loveland, OH)
- UpNano, Inc. (Cambridge, MA)
- Uponor Inc. (Apple Valley, MN)
- Upright Powered Access Platforms (Fresno, CA)
- Upserve (Providence, RI)
- Upsher-Smith Laboratories, Inc. (Maple Grove, MN)
- Upsite Technologies Inc. (Albuquerque, NM)
- Upstate Door Company (Piedmont, SC)
- Uptake (Chicago, IL)
- uptime software (Toronto, Ontario, CAN)
- Uptivity Inc. (Columbus, OH)
- Uptrends (Burlington, MA)
- Upwing Energy, Inc (Cerritos, CA)
- UQM Technologies (Longmont, CO)
- Uranium Energy Corp (Corpus Christi, TX)
- Urban Grid (Stevensville, MD)
- Urban Mapping (San Francisco, CA)
- Urban Science, Inc. (Detroit, MI)
- Urban Solar (USA) (Beaverton, OR)
- UrbanCode (Cleveland, OH)
- Urbint (New York, NY)
- Urgent Response Network (Mayfield Village, OH)
- Uroplasty, Inc. (Minnetonka, MN)
- URSA Space (Ithaca, NY)
- UrtheCast Corp (San Francisco, CA)
- UrtheCast Corp (San Francisco, CA)
- US Auto Parts (Union Springs, AL)
- Us Biometrics Corp. (Naperville, IL)
- US Cargo Control (URBANA, IA)
- US Circuit, Inc. (Escondido, CA)
- US Cloud LC (St. Louis, MT)
- US Dataworks, Inc. (Sugar Land, TX)
- US Digital (Vancouver, WA)
- US Digital Transactions Corp. (New York, NY)
- US Digitaltest, Inc. (Concord, CA)
- US Energy Corp. (Riverton, WY)
- US Extruders, Inc. (Westerly, RI)
- US Filter (Palm Desert, CA)
- US Global Nanospace, Inc. (Carson City, NV)
- US LBM (Buffalo Grove, IL)
- US LBM Holdings, LLC. (Buffalo Grove, IL)
- US LBM Holdings, LLC. (Buffalo Grove, IL)
- US LED, Ltd. (Katy, TX)
- US Lighting Tech (Signal Hill, CA)
- US Metal Crafters (Archdale, NC)
- US Netting Inc. (Erie, PA)
- US Oncology (The Woodlands, TX)
- US Signal (Grand Rapids, MI)
- Us Stove Co. (South Pittsburg, TN)
- US&S, Inc. (Greenville, SC)
- US-Lasers, Inc. (Hazlehurst, GA)
- USA Datanet Corporation (Syracuse, NY)
- USA Groups (Sarasota, FL)
- USA Harness, Inc. (Winnsboro, TX)
- USA Industries LLC (South Houston, TX)
- USA SOLUTIONS (St Joseph, MN)
- USA Truck, Inc. (Van Buren, AR)
- USA Wire & Cable, Inc. (Austin, TX)
- USACH Technologies, Inc. (Elgin, IL)
- USAI Lighting (New Windsor, NY)
- USALCO, LLC (Baltimore, MD)
- Usan, formerly Interactive Softworks, Inc. (Norcross, GA)
- USAT LLC (Chapel Hill, NC)
- USAutomation (Mission Viejo, CA)
- Usb Over Network (Wilmington, DE)
- UsefulSoft (New York, NY)
- User Solutions (South Lyon, MI)
- Userful Corporation (Calgary, CAN)
- USF Surface Preparation Group Walther Trowal (Heber Springs, AR)
- USF Surface Preparation Group, BCP Division (Burlington, ON)
- USFilter's Stranco Products (Bradley, IL)
- USG Corp. (Chicago, IL)
- USG Corporation (Mississauga, ON, CAN)
- Ushio America, Inc. (Cypress, CA)
- uShip (Austin, TX)
- USI (Salt Lake City, UT)
- USIC, LLC (Indianapolis, IN)
- USinternetworking, Inc. (Annapolis, MD)
- USmax Corporation (Gambrills, MD)
- Usni Tech LLC (Lansing, MI)
- Uson, L.P. (Houston, TX)
- Usov Lab (Ashburn, VA)
- USPack Logistics Service (New York, NY)
- USpharma Ltd (Miami Lakes, FL)
- USRobotics (Schaumburg, IL)
- USTEK Incorporated (Columbus, OH)
- Usvibra, LLC (Tucson, AZ)
- Utah Medical Products, Inc. (Midvale, UT)
- UTC Aerospace Systems (Charlotte, NC)
- UTC Aerospace Systems (Charlotte, NC)
- UTC Aerospace Systems - ISR Systems (Princeton, NJ)
- UTC Fire & Security (Boca Raton, FL)
- UTC Fire & Security (Hickory, NC)
- UTC Power (South Windsor, CT)
- UTD Precision Manufacturing (West Hartford, CT)
- UTEL (Suffolk, GBR)
- Utex Industries, Inc. (Houston, TX)
- Utex Scientific Instruments (Mississauga, ON, CAN)
- Utica Automation (Shelby Township, MI)
- Uticom Systems, Inc. (Coatesville, PA)
- Utilidata, Inc. (Providence, RI)
- Utilimaster Corp. (Bristol, IN)
- UtilIT Technologies, Inc. (San Francisco, CA)
- Utility Associates, Inc. (Decatur, GA)
- Utility Equipment Leasing Corporation (UELC) (Waukesha, WI)
- Utility Integration Solutions, Inc. (UISOL) (Lafayette, CA)
- Utility Revenue Services, LLC (Dublin, OH)
- Utility Systems Technologies (Watervliet, NY)
- Utimaco safeware (Bellevue, WA)
- Utitec, Inc. (Watertown, CT)
- Utopia Digital Technologies (New Berlin, WI)
- Utopia Image Inc. (Laval, QC, CAN)
- UTStarcom (Fremont, CA)
- UTV Internet (Belfast, IRL)
- UTZ Technologies (Little Falls, NJ)
- UV Flu Technologies, Inc. (Yarmouthport, MA)
- UV III Systems, Inc. (Alburg, VT)
- UV Process Supply, Inc (Chicago, IL)
- UV Resources (Valencia, CA)
- UVC Protected (West Palm Beach, FL)
- Uvdi (Valencia, CA)
- Uvex (Smithfield, RI)
- Uvex (Smithfield, RI)
- UVision Air Ltd (Zur Igal, ISR)
- UVolve Instant Floor Coatings (Elgin, IL)
- UVOTECH Systems, Inc. (Newark, CA)
- UVP, LLC (Upland, CA)
- UWAY Extrusion (Marshall, IN)
- UWL, Inc. (Cleveland, OH)
- Uyemura International (Ontario, CA)