| Wells Aluminum Corporation, Sidney Division | | | labor relations violation | 2002 | $75,000 |
| Weldun International, Inc. | | | labor relations violation | 2004 | $1,200,000 |
| Weldon, Williams & Lick, Inc. | | | labor relations violation | 2008 | $137,418 |
| Welch, Gold, & Siegel, PC?? | | | labor relations violation | 2006 | $9,000 |
| Welch Aviation | | | labor relations violation | 2006 | $10,600 |
| Weisser Optical | | | labor relations violation | 2000 | $290,533 |
| WEISER'S SERVICES | | | labor relations violation | 2000 | $8,544 |
| Weis Markets | Weis Markets | retailing | labor relations violation | 2023 | $5,598 |
| Weis Builders Inc. | | | labor relations violation | 2003 | $33,910 |
| Weirton Steel Corporation | Cleveland-Cliffs | mining and minerals | labor relations violation | 2000 | $6,000 |
| Weirton Medical Center Physicians Practice Inc. | | | labor relations violation | 2017 | $16,299 |
| Weirton Medical Center | | | labor relations violation | 2007 | $5,000 |
| Weirton Medical Center | | | labor relations violation | 2004 | $21,000 |
| Weir Valves and Controls USA Inc. | | | labor relations violation | 2009 | $37,000 |
| Weinberger Sinus Clinic | | | labor relations violation | 2005 | $6,736 |
| Weiler & Company, Inc. | | | labor relations violation | 2003 | $8,483 |
| WEHR CONSTRUCTORS, INC. | | | labor relations violation | 2016 | $38,492 |
| Weco Cleaning Inc. | | | labor relations violation | 2002 | $176,574 |
| WEBCO Mfg. Corp. | | | labor relations violation | 2004 | $6,000 |
| Webco Industries, Inc. | | | labor relations violation | 2004 | $290,865 |
| Webco Industries, Inc. | | | labor relations violation | 2003 | $55,800 |
| Webb Crane, Inc. | | | labor relations violation | 2002 | $6,826 |
| Webb Corporation | | | labor relations violation | 2001 | $5,000 |
| Webasto Roof Systems, Inc. | | | labor relations violation | 2007 | $30,747 |
| Weavex, Division of BTR, Inc. | | | labor relations violation | 2000 | $7,000 |
| Weathervane Seafood of Vermont, Inc. | | | labor relations violation | 2008 | $8,718 |
| WEATHERLY INN | | | labor relations violation | 2016 | $15,000 |
| Weather Shield Mfg., Inc. | | | labor relations violation | 2017 | $8,775 |
| We-Toast Bread Company | | | labor relations violation | 2000 | $30,130 |
| WCVB-TV | | | labor relations violation | 2010 | $19,000 |
| WCS Services, LLC d/b/a Wardlaw Claims Service | | | labor relations violation | 2017 | $383,219 |
| WCE, LLC | | | labor relations violation | 2018 | $28,543 |
| WCAU Philadelphia, NBC, Inc. | | | labor relations violation | 2001 | $18,000 |
| WBI Energy Midstream, LLC | MDU Resources | diversified | labor relations violation | 2015 | $8,408 |
| Wayzata Hospitality Group, d/b/a The Lodge at Giants Ridge | | | labor relations violation | 2007 | $37,525 |
| Wayron | | | labor relations violation | 2005 | $5,752 |
| Wayron | | | labor relations violation | 2002 | $9,565 |
| Wayne Metal Products Co., Inc. | | | labor relations violation | 2000 | $5,000 |
| Wayne Jimenez Concrete, Inc. | | | labor relations violation | 2007 | $66,369 |
| Wayne Farms, LLC | Wayne-Sanderson Farms | food products | labor relations violation | 2016 | $8,666 |
| Wayne Concrete, Inc. d/b/a Little Lisa, Inc. | | | labor relations violation | 2008 | $16,000 |
| Waycross Hotel, LLC, d/b/a Hampton Inn Waycross | | | labor relations violation | 2004 | $6,100 |
| Waxman Consumer Products Group Inc. | | | labor relations violation | 2011 | $5,460 |
| WAXIE SANITARY SUPPLY | | | labor relations violation | 2003 | $32,948 |
| Wawa, Inc. | Wawa Inc. | retailing | labor relations violation | 2018 | $20,000 |
| Wauwatosa Veterinary Clinic, SC | | | labor relations violation | 2017 | $8,374 |
| Wautoma Care Center - Wautoma, Wisconsin | | | labor relations violation | 2003 | $20,000 |
| WAUSAU PAPER CORPORATION | Essity | household and personal care products | labor relations violation | 2015 | $33,170 |
| Waukesha Electric Systems, Inc. | | | labor relations violation | 2005 | $63,123 |
| Watson Wyatt & Co. | Willis Towers Watson | financial services | labor relations violation | 2005 | $91,000 |
| Watson Foods, Inc. a.k.a Watson, Inc. and Monroe Staffing Services - Joint Employer | | | labor relations violation | 2009 | $8,000 |
| Watkins Engineers and Constructors | | | labor relations violation | 2002 | $19,500 |
| Watkins Engineers & Constructors Inc. | | | labor relations violation | 2002 | $13,913 |
| Waterworks Plumbing and Backflow, Inc.and Comfortworks Heating & Cooling, Inc.single employer; DGR o | | | labor relations violation | 2018 | $76,827 |
| Watermelons Plus Inc | | | labor relations violation | 2007 | $11,609 |
| Watermelon Plus, Inc. | | | labor relations violation | 2015 | $19,000 |
| Watermark Communities, Inc. | | | labor relations violation | 2002 | $7,000 |
| Waterfront Services Co. | | | labor relations violation | 2005 | $713,624 |
| Waterford Venue Services | | | labor relations violation | 2007 | $5,025 |
| Waterbury Hospital | | | labor relations violation | 2011 | $225,000 |
| Waterbury Gardens Nursing and Rehabilitation, LLC and Priority Healthcare Group, LLC, as single and | | | labor relations violation | 2020 | $8,315 |
| Waterbury Gardens Nursing and Rehabilitation, LLC and Priority Healthcare Group, LLC, as single and | | | labor relations violation | 2020 | $100,000 |
| Waterbury Companies | | | labor relations violation | 2002 | $159,800 |
| Watco Transloading, LLC | Watco Companies | railroads | labor relations violation | 2016 | $42,431 |
| Waste Pro | | | labor relations violation | 2008 | $35,392 |
| Waste Management, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2007 | $5,840 |
| Waste Management, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2003 | $37,765 |
| Waste Management, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2003 | $9,000 |
| Waste Management, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2001 | $204,188 |
| Waste Management, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2000 | $5,000 |
| Waste Management, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2000 | $26,000 |
| Waste Management Recycling and Disposal Services of California, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2017 | $5,337 |
| Waste Management of Wisconsin, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2010 | $5,930 |
| Waste Management of Wisconsin, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2002 | $15,000 |
| Waste Management of Wisconsin | Waste Management Inc. | waste management and environmental services | labor relations violation | 2010 | $12,493 |
| Waste Management of West Virginia, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2005 | $10,000 |
| Waste Management of Washington, Inc. d/b/a Olympic View Sanitary Landfill, Inc. and/or Olympic View Transfer Station | Waste Management Inc. | waste management and environmental services | labor relations violation | 2002 | $8,000 |
| Waste Management of Washington, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2011 | $45,000 |
| Waste Management of South Jersey - Vineland | Waste Management Inc. | waste management and environmental services | labor relations violation | 2010 | $50,000 |
| Waste Management of Puerto Rico | Waste Management Inc. | waste management and environmental services | labor relations violation | 2007 | $108,178 |
| Waste Management of Pennsylvania, Inc., d/b/a Washington Hauling District and Arden Landfill, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2018 | $10,491 |
| Waste Management of Pennsylvania, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2007 | $20,000 |
| Waste Management of Pennsylvania, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2003 | $30,690 |
| Waste Management of Pennsylvania, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2003 | $25,849 |
| Waste Management of Pennsylvania, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2003 | $25,000 |
| Waste Management of Ohio, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2005 | $7,000 |
| Waste Management of New York LLC | Waste Management Inc. | waste management and environmental services | labor relations violation | 2001 | $5,000 |
| WASTE MANAGEMENT OF NEW YORK | Waste Management Inc. | waste management and environmental services | labor relations violation | 2001 | $8,000 |
| Waste Management of New Jersey | Waste Management Inc. | waste management and environmental services | labor relations violation | 2006 | $9,673 |
| Waste Management of Nevada, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2009 | $17,000 |
| Waste Management of Missouri, Inc. d/b/a Waste Management of Rolla, and its successor (2) Waste Corp. of Missouri, Inc. d/b/a Waste Corp. of Rolla | Waste Management Inc. | waste management and environmental services | labor relations violation | 2001 | $23,000 |
| Waste Management of Mississippi, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2017 | $22,000 |
| Waste Management of Lima | Waste Management Inc. | waste management and environmental services | labor relations violation | 2004 | $35,000 |
| Waste Management of Lima | Waste Management Inc. | waste management and environmental services | labor relations violation | 2004 | $35,408 |
| Waste Management of Illinois | Waste Management Inc. | waste management and environmental services | labor relations violation | 2009 | $29,207 |
| Waste Management of Delmarva | Waste Management Inc. | waste management and environmental services | labor relations violation | 2003 | $7,400 |
| Waste Management of Connecticut, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2002 | $8,500 |
| Waste Management of Bristol | Waste Management Inc. | waste management and environmental services | labor relations violation | 2008 | $5,732 |
| Waste Management of Arizona, Inc. d/b/a Waste Management of Tucson | Waste Management Inc. | waste management and environmental services | labor relations violation | 2010 | $10,000 |
| Waste Management of Arizona, Inc. | Waste Management Inc. | waste management and environmental services | labor relations violation | 2015 | $7,122 |
| Waste Management of Arizona Inc., d/b/a Waste Management of Tucson | Waste Management Inc. | waste management and environmental services | labor relations violation | 2010 | $89,803 |
