| W-S Mechanical Group, LLC OK | Construction | 0 | — | A |
| W-S Specialty Services, LLC IA | Construction | 0 | — | A |
| W-S Specialty Services, LLC TX | Construction | 0 | — | A |
| W-W Capital Corporation OK | Manufacturing | 0 | — | F |
| W. A. Richardson Builders, LLC NV | Construction | 0 | — | A |
| W. A. Wilson & Sons, Inc WV | Retail Trade | 0 | — | D |
| W. Atlee Burpee Company PA | Agriculture & Forestry | 0 | — | B |
| W. C. Striegel Inc CO | Construction | 0 | — | A |
| W. Craig Adams PA | Construction | 0 | — | A |
| W. D. Gott Construction Co. CA | Construction | 0 | — | A |
| W. Douglass Distributing TX | Wholesale Trade | 0 | — | D |
| W. F. HAYWARD COMPANY CA | Construction | 0 | — | A |
| W. G. Dale Electric Co. WY | Construction | 0 | — | A |
| W. G. Daley, Inc VT | Retail Trade | 0 | — | A |
| W. G. Yates & Sons Construction Company MS | Manufacturing | 0 | — | B |
| W. G. Yates and Sons Construction Co. MS | Construction | 2 | $83,901 | — |
| W. Gardner, LLC FL | Construction | 0 | — | A |
| W. Gohman Construction Co. MN | Construction | 0 | — | F |
| W. International SC, LLC SC | Manufacturing | 0 | — | F |
| W. J. Barnes Electric LA | Construction | 0 | — | F |
| W. J. Burke Electric Company, Inc. IL | Construction | 0 | — | A |
| W. James Taylor, Inc. d/b/a Jim Taylor, Inc. IL | Construction | 0 | — | A |
| W. L. Butler CA | Construction | 0 | — | A |
| W. L. Gore & Associates Inc. DE | Wholesale Trade | 1 | $144,760 | — |
| W. L. Rubottom CA | Manufacturing | 0 | — | A |
| W. Lee Flowers & Co., Inc. SC | Wholesale Trade | 0 | — | F |
| W. M. Barr and Company Inc. TN | Manufacturing | 0 | — | C |
| W. M. DAVIS, INC. MD | Construction | 0 | — | A |
| W. M. Lyles Co CA | Construction | 0 | — | F |
| W. M. SCHLOSSER CO., INC. MD | Construction | 1 | $126,464 | — |
| W. N. Morehouse Truck Line, Inc. NE | Transportation & Warehousing | 0 | — | A |
| W. P. Carey Inc. (Carey Financial, LLC & retail fundraising business) NY | — | 0 | — | — |
| W. P. Carey Management LLC NY | Real Estate | 1 | $108,000 | — |
| W. Pennings & Sons Inc. MI | Construction | 0 | — | F |
| W. R. Grace & Co.-Conn MI | Manufacturing | 0 | — | B |
| W. REYNEVELD CONSTRUCTION, INC. CA | Construction | 0 | — | F |
| W. S Darley Apparatus WI | Manufacturing | 0 | — | F |
| W. S. Bellows Construction Corporation TX | Construction | 0 | — | A |
| W. S. Newell & Sons, Inc. AL | Construction | 0 | — | C |
| W. S. Townsend Co./DBA MKD Kitchen and Bath MI | Construction | 0 | — | F |
| W. Schiller & Co., Inc. MO | Wholesale Trade | 0 | — | A |
| W. Silver Inc. TX | Manufacturing | 0 | — | F |
| W. Soule and Company MI | Construction | 0 | — | A |
| W. Sternoff LLC WA | Wholesale Trade | 1 | $66,706 | — |
| W. Stuart Smith, Inc. NY | Manufacturing | 0 | — | F |
| W. T. YOUNG STORAGE COMPANY KY | Transportation & Warehousing | 0 | — | A |
| W. W. Enroughty & Son, Inc. VA | Construction | 0 | — | A |
| W. W. Gay Mechanical Contractor, Inc FL | Construction | 0 | — | A |
| W. W. Grainger, Inc. MO | Wholesale Trade | 0 | — | C |
| W. Y. International Inc. WA | Transportation & Warehousing | 1 | $100,000 | — |
