| A.M. Contracting Company KY | Construction | 0 | — | A |
| A.M. Ortega Construction CA | Construction | 0 | — | F |
| A.M.W. Transport LLC WI | Transportation & Warehousing | 0 | — | A |
| A.N Architects, Inc. OH | Professional & Technical Services | 0 | — | A |
| A.N. Webber, Inc. IL | Transportation & Warehousing | 0 | — | B |
| A.N. Webber, Inc. TN | Transportation & Warehousing | 0 | — | A |
| A.N. Webber, Inc. TX | Transportation & Warehousing | 0 | — | A |
| A.O. Hardee and Son, Inc. SC | Construction | 0 | — | F |
| A.O. Smith SC | Manufacturing | 0 | — | B |
| A.O. Smith TN | Manufacturing | 0 | — | F |
| A.O. Smith WA | — | 0 | — | — |
| A.O. Smith Corporation WI | Manufacturing | 1 | $108,000 | — |
| A.P. Construction CT | Construction | 0 | — | A |
| A.P. Construction Incorporated NJ | Construction | 0 | — | D |
| A.P. Dailey Custom Laminating Corp. NH | Manufacturing | 0 | — | F |
| A.P. Esteve Farms CA | Agriculture & Forestry | 0 | — | A |
| A.P. Nonweiler Co., Inc. WI | Manufacturing | 0 | — | A |
| A.P. O'Horo Company OH | Construction | 0 | — | A |
| A.P. Whitaker & Sons, Inc. MA | Construction | 0 | — | A |
| A.P. Woodson Company MD | Retail Trade | 0 | — | D |
| A.Perez Farm Services CA | Agriculture & Forestry | 0 | — | A |
| A.R. Arena Products WI | Manufacturing | 0 | — | F |
| A.R. Arena Products Inc. NY | Manufacturing | 0 | — | A |
| A.R. BROUWER COMPANY MI | Construction | 0 | — | A |
| A.R. Gameson, LLC FL | Transportation & Warehousing | 0 | — | B |
| A.R. Pierrepont Co., Inc. NY | Construction | 0 | — | F |
| A.R. Wilfley & Sons Inc. CO | Manufacturing | 0 | — | A |
| A.R. Wireless, Inc. OH | Construction | 0 | — | A |
| A.R.A. Logistical Solutions, LLC TX | Transportation & Warehousing | 0 | — | F |
| A.R.E. Manufacturing, Inc. OR | Manufacturing | 0 | — | A |
| A.R.K. Ramos Architectural Signage, LLC OK | Manufacturing | 0 | — | A |
| A.R.M USA INC. OH | Manufacturing | 0 | — | F |
| A.R.M. Staffing, Inc. IL | — | 0 | — | — |
| A.R.M. USA Inc. OH | Manufacturing | 0 | — | F |
| A.S. Madden Logging, Inc ME | Agriculture & Forestry | 0 | — | A |
| A.S.A.P. Services, Inc. AR | Administrative & Waste Services | 0 | — | C |
| A.S.K. Foods, Inc. PA | Manufacturing | 0 | — | F |
| A.T. Chadwick Co., Inc. PA | Construction | 0 | — | F |
| A.T. Kearney, Inc. IL | Professional & Technical Services | 29 | $192,931 | — |
| A.T. Still University of Health Sciences MO | Educational Services | 0 | — | A |
| A.T. Still University of Health Sciences - AZ Campus AZ | Educational Services | 0 | — | A |
| A.T. Swtzer Company MO | Construction | 0 | — | F |
| A.V. Lake Construction Co. OH | Construction | 0 | — | F |
| A.V.P., Inc. KY | Construction | 0 | — | F |
| A.W. Baylor Versapanel-Plastering, Inc. FL | Construction | 0 | — | A |
| A.W. Chesterton Company MA | Manufacturing | 1 | $84,867 | — |
| A.W. Holdings, LLC IN | Healthcare & Social Assistance | 0 | — | F |
| A.W. Holdings, LLC MO | Healthcare & Social Assistance | 0 | — | A |
| A.W. Holdings, LLC VA | Healthcare & Social Assistance | 0 | — | A |
| A.W. Holdings, LLC d/b/a Benchmark Human Services CT | Healthcare & Social Assistance | 0 | — | F |