| Walters Wholesale Electric CA | Wholesale Trade | 0 | — | C |
| Walters Wholesale Electric NV | Wholesale Trade | 0 | — | A |
| Walters Zackria Associates, PLLC. FL | Professional & Technical Services | 1 | $100,112 | — |
| Walters-Dimmick Petroleum IN | Retail Trade | 0 | — | A |
| Walters-Dimmick Petroleum MI | Retail Trade | 0 | — | C |
| Walters-Morgan Construction, Inc. KS | Construction | 0 | — | B |
| Walterscheid Inc. Woodridge IL | Manufacturing | 0 | — | F |
| Walterscheid, Inc. IL | — | 0 | — | — |
| Walthall County Cooperative, AAL MS | Manufacturing | 0 | — | A |
| Walthall Oil Company GA | Wholesale Trade | 0 | — | D |
| Waltham Lumber Co. MA | Retail Trade | 0 | — | F |
| Walther Engineering & Manufacturing Company, Inc. OH | Manufacturing | 0 | — | F |
| Walther Farms LLC AZ | Agriculture & Forestry | 0 | — | A |
| Walther Farms LLC FL | Agriculture & Forestry | 0 | — | F |
| Walther Farms LLC GA | Agriculture & Forestry | 0 | — | F |
| Walther Farms LLC ID | Agriculture & Forestry | 0 | — | D |
| Walther Farms LLC IN | Agriculture & Forestry | 0 | — | F |
| Walther Farms LLC KS | Agriculture & Forestry | 0 | — | A |
| Walther Farms LLC MI | Agriculture & Forestry | 0 | — | C |
| Walther Farms LLC NC | Agriculture & Forestry | 0 | — | A |
| Walther Farms LLC NE | Agriculture & Forestry | 0 | — | F |
| Walther Farms LLC NM | Agriculture & Forestry | 0 | — | F |
| Walther Farms LLC OK | Agriculture & Forestry | 0 | — | A |
| Walther Farms LLC OR | Agriculture & Forestry | 0 | — | F |
| Walther Farms LLC SC | Agriculture & Forestry | 0 | — | A |
| Walther Farms LLC TX | Agriculture & Forestry | 0 | — | A |
| WALTON BOULEVARD LODGING LLC AR | Accommodation & Food Services | 0 | — | A |
| Walton EMC GA | Construction | 0 | — | D |
| Walton Engineering, Inc. CA | Construction | 0 | — | F |
| Walton Enterprises, LLC AR | Administrative & Waste Services | 1 | $81,349 | A |
| Walton Process Technologies, Inc. TX | Manufacturing | 0 | — | A |
| Walton Rehabilitation Hospital, an affiliate of Encompass Health GA | Healthcare & Social Assistance | 0 | — | F |
| Walton Residential Services TX | Construction | 0 | — | A |
| Walton Signage LTD TX | Manufacturing | 0 | — | A |
| Waltonen Engineering MI | Manufacturing | 0 | — | A |
| WALTRICH PLASTIC CORPORATION OF GEORGIA GA | Manufacturing | 0 | — | A |
| Waltz Engineering Inc HI | Construction | 0 | — | F |
| Waltz Health, Inc. IL | Professional & Technical Services | 1 | $144,450 | — |
| Waltz-Holst Blow Pipe Co. Inc MI | Manufacturing | 0 | — | F |
| Walvoil Fluid Power Corp OK | Wholesale Trade | 0 | — | A |
| Walworth County Care Center SD | Healthcare & Social Assistance | 0 | — | F |
| WalzCraft WI | Manufacturing | 0 | — | F |
| WAM Acquistions Casper - Honda of Casper WY | Retail Trade | 0 | — | D |
| WAMATA - 221 - KONE, Inc. MD | Construction | 0 | — | F |
| WAMEGO HEALTH CENTER KS | Healthcare & Social Assistance | 0 | — | A |
| Wampole Miller PA | Construction | 0 | — | A |
| Wampum Hardware Co IN | Wholesale Trade | 0 | — | A |
| Wampum Hardware Co OH | Wholesale Trade | 0 | — | C |
| Wampum Hardware Co PA | Wholesale Trade | 0 | — | A |
| Wampum Hardware Co WV | Wholesale Trade | 0 | — | A |