| Warner Bros. Television CA | Information & Media | 0 | - | D |
| Warner Bros. Theatrical Enterprises CA | - | 0 | - | - |
| Warner Bros. Worldwide Television CA | - | 0 | - | - |
| Warner Bros. Worldwide Television Distribution, Inc. NY | - | 0 | - | - |
| Warner Bros.Records,Inc.& Warner-Elektra-Atlantic CA | - | 0 | - | - |
| Warner Center Marriott Woodland Hills CA | - | 0 | - | - |
| Warner Chilcott OH | - | 0 | - | - |
| Warner Chilcott (US), LLC NJ | - | 0 | - | - |
| Warner Electric IN | Manufacturing | 0 | - | F |
| Warner Media, LLC CA | - | 0 | - | - |
| Warner Media, LLC (formerly Time Warner Inc.) NY | - | 0 | - | - |
| Warner Media, LLC (formerly Time Warner Inc.) 30 Hudson Yards NY | - | 0 | - | - |
| Warner Media, LLC (formerly Time Warner Inc.) One Time Warner Center NY | - | 0 | - | - |
| Warner Mfg. MN | Manufacturing | 0 | - | F |
| Warner Music Group Corp. NY | Information & Media | 3 | $158,960 | - |
| Warner Music Inc. CA | - | 0 | - | - |
| Warner Music Inc. (Den Of Thieves) CA | - | 0 | - | - |
| Warner Music Inc. (Office) NY | - | 0 | - | - |
| Warner Music Latina Inc. CA | - | 0 | - | - |
| Warner Robins Rehabilitation Center LLC GA | Healthcare & Social Assistance | 1 | $79,000 | - |
| Warner Robins Supply GA | Retail Trade | 0 | - | F |
| Warner Springs Ranchowners Association CA | - | 0 | - | - |
| Warner Transitional Services Revised IN | - | 0 | - | - |
| Warner's Outdoor Solutions MN | Administrative & Waste Services | 0 | - | F |
| Warner-Elektra-Atlantic Corporation CA | - | 0 | - | - |
| WarnerMedia Services, LLC NY | Information & Media | 42 | $159,829 | - |
| Warning Charter Service IL | - | 0 | - | - |
| Warp Drive, Inc. CA | Information & Media | 4 | $135,435 | - |
| Warp Weft World Inc. NY | - | 0 | - | - |
| Warren and Carter Technologies, Inc. GA | Professional & Technical Services | 4 | $106,843 | - |
| Warren Averett Companies, LLC AL | Professional & Technical Services | 1 | $67,000 | - |
| Warren Barr Gold Coast IL | Healthcare & Social Assistance | 0 | - | F |
| Warren Barr South Loop IL | Healthcare & Social Assistance | 0 | - | F |
| Warren Community Hospital MN | Healthcare & Social Assistance | 1 | $81,494 | A |
| Warren Consolidated Schools MI | Educational Services | 0 | - | F |
| Warren Construction & Roofing, Inc CA | Construction | 0 | - | F |
| Warren Construction Group ME | Construction | 0 | - | F |
| Warren County Schools NC | Educational Services | 3 | $52,683 | - |
| Warren County, Tennessee Government TN | Educational Services | 0 | - | D |
| Warren Distributing Company NJ | - | 0 | - | - |
| Warren Energy, LLC PA | Professional & Technical Services | 1 | $121,411 | - |
| Warren Fabricating & Machining Corp. OH | Manufacturing | 0 | - | F |
| Warren General Hospital PA | Healthcare & Social Assistance | 0 | - | C |
| Warren Hills Nursing and Rehabilitation Center NC | Healthcare & Social Assistance | 0 | - | F |
| Warren Hospital NJ | - | 0 | - | - |
| Warren Industries, Inc. MI | Manufacturing | 0 | - | F |
| Warren Morgan Orchards, LLC WA | Agriculture & Forestry | 0 | - | F |
| Warren Power & Machinery Inc. TX | Manufacturing | 0 | - | C |
| Warren Steel Holdings LLC OH | - | 0 | - | - |
| Warren Wilson College NC | Educational Services | 1 | $62,603 | - |