| Accurus Aerospace OK | Manufacturing | 0 | — | C |
| Accurus Aerospace Kent LLC WA | Manufacturing | 0 | — | A |
| ACCURX Inc RI | Manufacturing | 0 | — | A |
| ACCUSAGA INC. NJ | Professional & Technical Services | 1 | $115,200 | — |
| Accusoft Corporation FL | Professional & Technical Services | 0 | — | A |
| AccuSourceHR, Inc. AZ | Administrative & Waste Services | 1 | $85,000 | — |
| AccusSwift Logistics IL | Transportation & Warehousing | 0 | — | D |
| Accuswift Logistics IL | Transportation & Warehousing | 0 | — | B |
| Accutar Biotechnology INC NJ | Professional & Technical Services | 3 | $103,392 | — |
| Accutax Services Inc. CA | Professional & Technical Services | 1 | $68,640 | — |
| Accutec KY | Manufacturing | 0 | — | F |
| AccuTec, Inc. VA | Manufacturing | 2 | $113,339 | F |
| Accutech Films, Inc. OH | Manufacturing | 0 | — | F |
| Accutech Mold and Machine Inc IN | Manufacturing | 0 | — | F |
| Accutemp Engineering MA | Construction | 0 | — | F |
| Accutherm Refrigeration CA | Construction | 0 | — | F |
| AccuTran Industries, Inc. KY | Healthcare & Social Assistance | 0 | — | F |
| Accutrans Inc. LA | Administrative & Waste Services | 0 | — | A |
| AccuTrec Products Inc. PA | Manufacturing | 0 | — | A |
| AccuTrex Products Inc. PA | Manufacturing | 0 | — | B |
| Accutron Inc. CT | Manufacturing | 0 | — | A |
| Accutronics LLC MA | Manufacturing | 0 | — | D |
| ACCUVER AMERICAS, INC. TX | Professional & Technical Services | 1 | $92,000 | — |
| AccuWeather Sales and Service, LLC PA | Professional & Technical Services | 1 | $112,000 | — |
| AccuWeather, Inc. PA | Professional & Technical Services | 1 | $66,500 | — |
| AccuWeb WI | Manufacturing | 0 | — | A |
| ACD,LLC CA | Manufacturing | 0 | — | F |
| ACE - Ruffs Dales, Pa - 420 LB PA | Retail Trade | 0 | — | A |
| Ace Aeronautics, LLC AL | Manufacturing | 0 | — | A |
| ACE American Insurance Company PA | Finance & Insurance | 24 | $160,545 | — |
| Ace Animal Clinic MI | Professional & Technical Services | 0 | — | A |
| Ace Armature & Motor Shop, Inc. CA | Other Services | 0 | — | A |
| Ace Auto Parts MN | Retail Trade | 0 | — | D |
| Ace Beverage LLC CA | — | 0 | — | — |
| ACE BUILDERS GU | Administrative & Waste Services | 0 | — | F |
| ACE Carpentry Inc VA | Construction | 0 | — | D |
| ACE Companies Inc. FL | Construction | 0 | — | A |
| ACE Compressor Services KY | Manufacturing | 0 | — | A |
| Ace Controls Inc. MI | Manufacturing | 0 | — | F |
| Ace Corporate Support WI | Transportation & Warehousing | 0 | — | C |
| ACE Dental 08 PLLC TX | Healthcare & Social Assistance | 1 | $163,200 | — |
| ACE Dental06 PC TX | Healthcare & Social Assistance | 1 | $180,000 | — |
| ACE Dental07 PLLC TX | Healthcare & Social Assistance | 1 | $153,421 | — |
| Ace Door & Window FL | Construction | 0 | — | F |
| Ace Dragon Wok (WAA Hospitality LLC) NV | — | 0 | — | — |
| ace drop cloth co. and canvas products inc. NY | Manufacturing | 0 | — | A |
| ace drop cloth company NY | Wholesale Trade | 0 | — | A |
| Ace Elastomer SC | Manufacturing | 0 | — | F |
| Ace Electric FL | Construction | 0 | — | F |
| ACE ELECTRIC COMPANY INC VA | Construction | 0 | — | A |