| AOI InvestCo, Inc. NC | Construction | 0 | — | A |
| AOL VA | — | 0 | — | — |
| AOL Inc. CA | — | 0 | — | — |
| AOM OH | Healthcare & Social Assistance | 0 | — | C |
| AOM Health OH | Healthcare & Social Assistance | 0 | — | A |
| AOM Healthcare OH | Healthcare & Social Assistance | 0 | — | F |
| Aon MN | Finance & Insurance | 0 | — | A |
| Aon Consulting, Inc. IL | Finance & Insurance | 12 | $101,635 | — |
| Aon Hewitt (Aon) NC | — | 0 | — | — |
| Aon Insurance Managers (USA), Inc. IL | Finance & Insurance | 1 | $77,200 | — |
| Aon Investments USA Inc. IL | Finance & Insurance | 1 | $140,000 | — |
| Aon Property Risk Consulting, Inc. IL | Finance & Insurance | 2 | $111,600 | — |
| Aon Re, Inc. IL | Finance & Insurance | 4 | $147,115 | — |
| Aon Risk Services, Inc. of Maryland IL | Finance & Insurance | 1 | $169,000 | — |
| Aon Service Corporation IL | Finance & Insurance | 9 | $152,878 | — |
| Aone Technologies LLC TX | Professional & Technical Services | 1 | $105,997 | — |
| AOP METAL FABRICATORS, LLC AR | Manufacturing | 0 | — | A |
| AOR International Inc. FL | Administrative & Waste Services | 0 | — | A |
| Aorton Inc MA | Professional & Technical Services | 7 | $86,668 | — |
| Aorzon Technologies Inc IL | Professional & Technical Services | 1 | $117,749 | — |
| AOS Specialty Contractors, Inc SC | Construction | 0 | — | A |
| AOS Surgery Center GA | Healthcare & Social Assistance | 0 | — | A |
| AOT-DSP TX | Transportation & Warehousing | 0 | — | A |
| AOTN LLC CA | Healthcare & Social Assistance | 0 | — | F |
| AOVC VETERINARY INC CA | Professional & Technical Services | 2 | $158,954 | — |
| AOW Associates Inc NY | Construction | 0 | — | F |
| AOW Construction, LLC NY | Construction | 0 | — | A |
| AOX Inc TX | Manufacturing | 2 | $154,357 | — |
| Aozora North America Inc NY | Finance & Insurance | 1 | $128,814 | — |
| AP Construction NJ | Construction | 0 | — | B |
| AP CONSTRUCTION SOLUTIONS, LLC FL | Construction | 0 | — | F |
| AP Electric, Inc. KY | Construction | 0 | — | A |
| AP Emissions NC | Manufacturing | 0 | — | F |
| AP Exhaust NC | Manufacturing | 0 | — | F |
| AP Formulators LLC TX | Manufacturing | 0 | — | A |
| AP Linens, Inc. DE | Other Services | 0 | — | A |
| AP Mechanical LLC NY | Construction | 0 | — | A |
| AP Nonweiler Company WI | Manufacturing | 0 | — | C |
| AP Sound, Inc. FL | Construction | 0 | — | F |
| AP Sound, LLC dba All Pro Integrated Systems FL | Construction | 0 | — | A |
| AP Sound, LLC dba All Pro Integrated Systems IN | Construction | 0 | — | F |
| AP Tech CA | Manufacturing | 0 | — | A |
| AP Timber Co., LLC GA | Transportation & Warehousing | 0 | — | A |
| AP3, Inc CA | Agriculture & Forestry | 0 | — | A |
| APA MEDICAL EQUIPMENT MN | Retail Trade | 0 | — | B |
| APAC Central, Inc. AR | Construction | 0 | — | A |
| APAC Central, Inc. OK | Construction | 0 | — | F |
| APAC Central, Inc. dba Arkhola Sand & Gravel Company AR | Manufacturing | 0 | — | F |
| APAC Customer Services, Inc. FL | — | 0 | — | — |
| APAC Customer Services, Inc. NC | — | 0 | — | — |