| Absopure Company MI | Manufacturing | 0 | — | D |
| Absopure Water Company LLC IL | Manufacturing | 0 | — | F |
| Absopure Water Company LLC MI | Manufacturing | 0 | — | F |
| Absten & Sons LLC WV | Construction | 0 | — | A |
| Abstract Construction Co. TX | Construction | 0 | — | A |
| Abstract Electric LLC WI | Construction | 0 | — | A |
| Abstractive Health, Inc. NY | Professional & Technical Services | 1 | $115,000 | — |
| Abt Associates Inc. CO | Professional & Technical Services | 0 | — | A |
| Abt Associates Inc. GA | Professional & Technical Services | 0 | — | A |
| Abt Associates Inc. IL | Professional & Technical Services | 0 | — | A |
| Abt Associates Inc. MA | Professional & Technical Services | 0 | — | A |
| Abt Associates Inc. MD | Professional & Technical Services | 0 | — | A |
| Abt Associates Inc. NC | Professional & Technical Services | 0 | — | A |
| Abt Associates Inc. NY | Professional & Technical Services | 0 | — | A |
| Abt Global, Inc. MD | Professional & Technical Services | 1 | $141,856 | — |
| ABT METALS MANUFACTURING LLC NC | Manufacturing | 0 | — | F |
| ABTech Solutions LLC VA | Professional & Technical Services | 2 | $111,230 | — |
| Abtex LLC NY | Manufacturing | 0 | — | F |
| Abuelito Cheese inc. NJ | Wholesale Trade | 0 | — | A |
| Abuelito Meat Inc. NJ | Retail Trade | 0 | — | A |
| Abundant Brands LLC UT | Administrative & Waste Services | 1 | $76,000 | — |
| Abundant Christian Living Community TN | Healthcare & Social Assistance | 0 | — | F |
| ABUNDANT GRACE MARKET INC OR | Retail Trade | 0 | — | A |
| ABUSA Warehouse, LLC NJ | Transportation & Warehousing | 0 | — | B |
| Abuyo, Inc. TX | Professional & Technical Services | 1 | $122,866 | — |
| ABV Electronics Inc CA | Manufacturing | 2 | $92,000 | — |
| ABW Logistics NC | Transportation & Warehousing | 0 | — | A |
| ABW Southern, LLC. d.b.a Home Instead Senior Care NH | Healthcare & Social Assistance | 0 | — | F |
| ABX OH | Transportation & Warehousing | 0 | — | A |
| ABX ABX Air OH | Transportation & Warehousing | 0 | — | A |
| ABX Air (ABX) OH | Transportation & Warehousing | 0 | — | A |
| ABX Air Inc. KY | Transportation & Warehousing | 0 | — | B |
| ABX Air, Inc. OH | — | 0 | — | — |
| ABX Innovative Packaging Solutions NY | Manufacturing | 0 | — | C |
| ABX Innovative Packaging Solutions LLC WI | Manufacturing | 0 | — | A |
| ABX Innovative Packaging Solutions LLC - Milwaukee WI | Manufacturing | 0 | — | A |
| ABX Innovative Packaging Solutions LLC - Pewaukee WI | Manufacturing | 0 | — | A |
| ABX Innovative Packaging Solutions LLC - Schaumburg IL | Manufacturing | 0 | — | D |
| Abymount LLC CA | Professional & Technical Services | 2 | $90,500 | — |
| Abzena CA | Manufacturing | 0 | — | D |
| Abzena PA | Manufacturing | 0 | — | B |
| Abzena (Bristol) LLC PA | Manufacturing | 2 | $117,500 | — |
| Abzena (San Diego), Inc. CA | Professional & Technical Services | 1 | $276,507 | F |
| Abzena Bristol LLC PA | Professional & Technical Services | 1 | $79,914 | — |
| Abzena DBA Pfizer NC | Manufacturing | 0 | — | A |
| AC & R Specialists IA | Construction | 0 | — | F |
| AC - School Services Inc PA | Transportation & Warehousing | 0 | — | A |
| AC Adventures, LLC MA | Arts & Entertainment | 0 | — | F |
| AC Business Enterprises TN | Transportation & Warehousing | 0 | — | A |
| AC by Marriott Atlanta Buckhead GA | Accommodation & Food Services | 0 | — | F |
