| Streit USA Armoring. LLC | Streit Group | miscellaneous manufacturing | export control violation | 2015 | $1,600,000 |
| Sturm, Ruger & Co. Inc. | Sturm, Ruger & Company | miscellaneous manufacturing | export control violation | 2002 | $11,000 |
| Suburban Guns (Pty) Limited | | | export control violation | 2005 | $44,000 |
| Sun Microsystems China Limited | Oracle | information technology | export control violation | 2003 | $11,000 |
| Sun Microsystems Inc. | Oracle | information technology | export control violation | 2003 | $5,000 |
| Sun Microsystems Inc. | Oracle | information technology | export control violation | 2003 | $264,000 |
| Sunford Trading Ltd. | | | export control violation | 2005 | $33,000 |
| Suntek Microwave Inc. | | | export control violation | 2004 | $275,000 |
| Supermicro Computer Inc. | | | export control violation | 2006 | $125,400 |
| Symmetricom, Inc. | | | export control violation | 2004 | $35,500 |
| Syrvet, Inc. | | | export control violation | 2008 | $250,000 |
| SZY Holdings LLC | | | export control violation | 2011 | $75,000 |
| TAL Industries Inc. | | | export control violation | 2001 | $1,320,000 |
| Tara Technologies Corporation | | | export control violation | 2009 | $27,000 |
| Tech Pro Inc. | | | export control violation | 2006 | $7,000 |
| Technetics Group Singapore Pte. Ltd. | EnPro Industries | miscellaneous manufacturing | export control violation | 2012 | $110,000 |
| Technoline SAL | | | export control violation | 2016 | $175,000 |
| TeleDynamics LLC | | | export control violation | 2021 | $55,000 |
| Teledyne Energy Systems Inc. | Teledyne Technologies | miscellaneous manufacturing | export control violation | 2005 | $16,500 |
| Teledyne LeCroy, Inc. | Teledyne Technologies | miscellaneous manufacturing | export control violation | 2015 | $75,000 |
| Telogy International NV | | | export control violation | 2010 | $437,000 |
| Temrex Corporation | | | export control violation | 2012 | $8,750 |
| Terra Universal Inc. | | | export control violation | 2004 | $6,000 |
| Tesmec S.p.A. | | | export control violation | 2006 | $24,300 |
| Tesmec USA | | | export control violation | 2006 | $12,600 |
| Texas Armoring Corporation | | | export control violation | 2011 | $300,000 |
| TFC Manufacturing, Inc | | | export control violation | 2008 | $31,500 |
| Thane-Coat Inc. | | | export control violation | 2002 | $1,120,000 |
| The Oeser Company | | | export control violation | 2005 | $83,200 |
| The Sentry Company | | | export control violation | 2004 | $25,000 |
| The Sportsman's Guide Inc. | | | export control violation | 2005 | $183,500 |
| The Sumner Corporation | | | export control violation | 2001 | $75,000 |
| Thermon (U.K.) Ltd. | Thermon Group Holdings | industrial equipment | export control violation | 2009 | $29,000 |
| Thermon Europe B.V. | Thermon Group Holdings | industrial equipment | export control violation | 2009 | $43,500 |
| Thermon Europe, BV (Netherlands) | Thermon Group Holdings | industrial equipment | export control violation | 2010 | $18,500 |
| Thermon Far East Ltd. | Thermon Group Holdings | industrial equipment | export control violation | 2009 | $13,500 |
| Thermon Far East, Ltd (Japan) | Thermon Group Holdings | industrial equipment | export control violation | 2010 | $12,000 |
| Thermon Heat Tracers Pvt. Ltd. | Thermon Group Holdings | industrial equipment | export control violation | 2009 | $31,500 |
| Thermon Korea, Ltd. | Thermon Group Holdings | industrial equipment | export control violation | 2009 | $58,500 |
| Thompson/Center Arms Company, Inc. | Smith & Wesson | miscellaneous manufacturing | export control violation | 2002 | $25,000 |
| Thralow, Inc. | | | export control violation | 2009 | $110,000 |
| TLC Precision Wafer Technology | | | export control violation | 2003 | $35,000 |
| TMX Shipping Company, Inc | | | export control violation | 2013 | $36,800 |
| Toll Global Forwarding (USA) Inc. | | | export control violation | 2011 | $27,000 |
| Toll Global Forwarding (USA) Inc. | | | export control violation | 2011 | $200,000 |
| Tollgrade Communications Inc. | | | export control violation | 2011 | $10,000 |
| Top Line Express Inc. | | | export control violation | 2006 | $6,500 |
| Total Cargo Logistics, Inc. | | | export control violation | 2013 | $27,000 |
| Toxin Technology Inc. | | | export control violation | 2006 | $255,750 |
| Trane Export LLC | Trane Technologies | building materials | export control violation | 2003 | $5,000 |
| Trane Taiwan Distribution Limited | | | export control violation | 2003 | $27,000 |
| Trans-Media Services Ltd. | | | export control violation | 2005 | $19,800 |
| Transtar Metals Corp. | | | export control violation | 2006 | $65,000 |
| Trijicon Inc. | | | export control violation | 2000 | $64,000 |
| Trilogy International Associates, Inc. | | | export control violation | 2018 | $100,000 |
| TW Metals, Inc. | O'Neal Industries | metals | export control violation | 2011 | $575,000 |
| Tyco Valves & Controls | Emerson Electric | industrial equipment | export control violation | 2010 | $218,000 |
| U-Freight America Inc. | | | export control violation | 2000 | $20,000 |
| UCAR International Inc. | | | export control violation | 2001 | $237,000 |
| UGS Corporation | | | export control violation | 2006 | $57,750 |
| Underwater Surveys (PTY) LTD. | | | export control violation | 2008 | $29,700 |
| Uni-Arab Engineering and Oil Field Services | | | export control violation | 2005 | $95,000 |
| Unisol International | | | export control violation | 2016 | $250,000 |
| United Source One, Inc. | | | export control violation | 2010 | $19,800 |
| United Sources Industrial Enterprises | | | export control violation | 2014 | $4,500,000 |
| Universal Technology Inc. | | | export control violation | 2006 | $170,000 |
| UPS Supply Chain Solutions (Houston) | United Parcel Service | freight and logistics | export control violation | 2011 | $6,400 |
| USGoBuy, LLC | | | export control violation | 2021 | $20,000 |
| Utech Products, Inc. | | | export control violation | 2009 | $125,000 |
| UTI United States Inc. | DSV | freight and logistics | export control violation | 2006 | $33,000 |
| UTI United States Inc. | DSV | freight and logistics | export control violation | 2006 | $76,500 |
| Valtex International Corporation | | | export control violation | 2005 | $77,000 |
| Varian A.G. | Agilent Technologies | miscellaneous manufacturing | export control violation | 2006 | $8,800 |
| Varian B.V. | Agilent Technologies | miscellaneous manufacturing | export control violation | 2006 | $39,600 |
| Varian Inc. | Agilent Technologies | miscellaneous manufacturing | export control violation | 2006 | $26,400 |
| Versa-Matic Pump Company | IDEX Corp. | industrial equipment | export control violation | 2003 | $55,000 |
| Viking Corporation | | | export control violation | 2007 | $22,000 |
| Viking SA | | | export control violation | 2007 | $44,000 |
| Vinmar International, Ltd. | | | export control violation | 2015 | $19,800 |
| Vinmar Overseas, Ltd. | | | export control violation | 2015 | $41,400 |
| Volvo Aero Services, LP | | | export control violation | 2007 | $204,600 |
| Vonberg Valve, Inc. | | | export control violation | 2007 | $21,000 |
| VTA Telecom Corporation | | | export control violation | 2021 | $1,869,372 |
| Vytran LLC | | | export control violation | 2011 | $28,000 |
| W W Grainger Inc. | W.W. Grainger | wholesalers | export control violation | 2012 | $12,000 |
| W.R. Grace & Co. | Standard Industries Inc. | building materials | export control violation | 2003 | $178,500 |
| Wabtec Corporation | Westinghouse Air Brake Technologies (Wabtec) | industrial equipment | export control violation | 2024 | $153,175 |
| Waters Instruments Inc. | | | export control violation | 2002 | $186,000 |
| Weatherford International LTD et al. | Weatherford International | oilfield services and supplies | export control violation | 2013 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $50,000,000 |
| Weiss Envirotronics, Inc | | | export control violation | 2016 | $575,000 |
| Weiss-Rohlig USA | | | export control violation | 2011 | $8,000 |
| Well Being Enterprise Co. Ltd. | | | export control violation | 2009 | $250,000 |
| Wesco Industrial Products, Inc. | | | export control violation | 2010 | $50,000 |
| Western Geco LLC | | | export control violation | 2006 | $925,000 |
| Western Geophysical Company of America | | | export control violation | 2006 | $1,965,600 |
| Westlake Vinyls Company LP | Westlake Chemical | chemicals | export control violation | 2016 | $12,000 |
| Whirlpool Corporation | Whirlpool Corp. | housewares and home furnishings | export control violation | 2017 | $9,000 |
| Whirlpool Europe Srl (Italy) | Whirlpool Corp. | housewares and home furnishings | export control violation | 2017 | $72,450 |
| Wilden Pump and Engineering Co. LLC | Dover Corp. | industrial equipment | export control violation | 2005 | $700,000 |
| Williams Gun Sight Company Inc. | | | export control violation | 2005 | $123,000 |
| Wind River Systems, Inc. | Aptiv PLC | automotive parts | export control violation | 2014 | $750,000 |
