| W.A. Bean & Sons, Inc. ME | Retail Trade | 0 | — | D |
| W.A. Foote Memorial Hospital, Inc. MI | Healthcare & Social Assistance | 3 | $166,602 | — |
| W.A. Kendall and Co., LLC GA | Administrative & Waste Services | 0 | — | B |
| W.A. Klinger, L.L.C. IA | Construction | 0 | — | F |
| W.A. RASIC CONSTRUCTION COMPANY, INC. CA | Professional & Technical Services | 1 | $94,994 | — |
| W.A. Richardson Builders, LLC NV | Construction | 0 | — | B |
| W.A. Soefker & Son, Inc. TN | Construction | 0 | — | D |
| W.A. Thompson CA | — | 0 | — | — |
| W.A. Thompson-Barstow CA | — | 0 | — | — |
| W.A. Thompson-Mojave CA | — | 0 | — | — |
| W.B. Guimarin SC | Construction | 0 | — | F |
| W.B. HILL, INC. MA | Other Services | 0 | — | A |
| W.B. Pallets Inc. MI | Manufacturing | 0 | — | F |
| W.B. Starr, Inc. CA | Administrative & Waste Services | 0 | — | F |
| W.C. Bradley Co. GA | Agriculture & Forestry | 0 | — | A |
| W.C. Bradley Co. UT | Wholesale Trade | 0 | — | A |
| W.C. Eshenaur & Son, Inc. PA | Construction | 0 | — | B |
| W.C. Maloney, Inc. CA | Construction | 0 | — | F |
| W.D. Distributing Co. of Oklahoma OK | Other Services | 0 | — | F |
| W.D.Young & Sons, Cocopah Nurseries Inc CA | — | 0 | — | — |
| W.E Salle Sale Co. NY | Manufacturing | 0 | — | A |
| W.E. Imhoff & Co., Inc. dba Intertech Flooring TX | Construction | 0 | — | C |
| W.E. Johnson Equipment Company FL | Other Services | 0 | — | F |
| W.E. LYONS CONSTRUCTION CO. CA | Construction | 0 | — | A |
| W.E. O'Neil Construction Co of Arizona AZ | Construction | 0 | — | A |
| W.E. O'Neil Construction Co. of California CA | Construction | 0 | — | A |
| W.E. O'Neil Construction Co. of NorCal CA | Construction | 0 | — | A |
| W.E. O'Neil Construction Co. of San Diego CA | Construction | 0 | — | A |
| W.E. O'Neil Construction Co. of Tennessee TN | Construction | 0 | — | F |
| W.E. O'Neil Construction Company of Colorado CO | Construction | 0 | — | D |
| W.E. O'Neil Construction Company of Texas TX | Construction | 0 | — | A |
| W.E. Slitt Company MI | Manufacturing | 0 | — | F |
| W.E.Bowers & Associates Inc MD | Construction | 0 | — | F |
| W.E.M. Inc., Rollin' Oats Market and Cafe FL | Retail Trade | 0 | — | A |
| W.E.M., Inc. Rollin' Oats Market and Cafe FL | Retail Trade | 0 | — | A |
| W.F. Bolin Painting Company OH | Construction | 0 | — | F |
| W.F. Delauter & Son, Inc. MD | — | 0 | — | — |
| W.F. Lake Corp NY | Manufacturing | 0 | — | C |
| W.F. Scott Decorating IL | Construction | 0 | — | A |
| W.G. Cells WA | — | 0 | — | — |
| W.G. Clark Construction Company WA | Construction | 0 | — | A |
| W.G. Holt, Inc. CA | Manufacturing | 0 | — | D |
| W.G. Tomko Inc. PA | Construction | 0 | — | B |
| W.G. Valenzuela Drywall & Paint Inc. AZ | Construction | 0 | — | F |
| W.G. Yates & Sons Construction MS | Construction | 0 | — | A |
| W.G. Yates and Sons Construction Co. MS | Construction | 3 | $80,309 | — |
| W.G./Welch Mechanical Contractors LLC MD | Construction | 0 | — | F |
| W.H. Boyer, Inc. MD | Administrative & Waste Services | 0 | — | C |
| W.H. Braum, Inc. OK | Manufacturing | 0 | — | F |
| W.H. Christian & Sons, Inc. NY | Other Services | 0 | — | A |
