| Jacob A Weaver Company PA | Manufacturing | 0 | — | C |
| Jacob Construction & Design CA | Construction | 0 | — | A |
| JACOB EMRANI, A PROFESSIONAL CORPORATION CA | Professional & Technical Services | 1 | $64,709 | — |
| Jacob Engineering TX | — | 0 | — | — |
| Jacob Family Enterprises IL | Construction | 0 | — | A |
| Jacob Grant Rodgers dba: JC Farm Mgmt CA | Agriculture & Forestry | 0 | — | B |
| Jacob Holm NC | Manufacturing | 0 | — | A |
| Jacob Industries, LLC FL | Construction | 1 | $140,000 | — |
| Jacob Judah LLC. TX | Professional & Technical Services | 2 | $96,803 | — |
| Jacob Transportation Services LLC NV | Transportation & Warehousing | 0 | — | C |
| Jacob's Contracting LLC. NC | Construction | 0 | — | F |
| Jacobi Carbons, Inc. OH | Manufacturing | 0 | — | F |
| Jacobi Motors, LLC TX | Professional & Technical Services | 2 | $112,500 | — |
| Jacobo Farm Services CA | Agriculture & Forestry | 0 | — | F |
| Jacobs AR | Utilities | 0 | — | F |
| Jacobs AZ | Utilities | 0 | — | D |
| Jacobs CA | Utilities | 0 | — | F |
| Jacobs CO | Utilities | 0 | — | A |
| Jacobs CT | Utilities | 0 | — | F |
| Jacobs DE | Utilities | 0 | — | A |
| Jacobs FL | Utilities | 0 | — | B |
| Jacobs GA | Utilities | 0 | — | D |
| Jacobs ID | Utilities | 0 | — | A |
| Jacobs KY | Utilities | 0 | — | A |
| Jacobs LA | Utilities | 0 | — | A |
| Jacobs MS | Utilities | 0 | — | A |
| Jacobs NJ | Utilities | 0 | — | D |
| Jacobs NM | Utilities | 0 | — | D |
| Jacobs OR | Utilities | 0 | — | A |
| Jacobs PA | Construction | 0 | — | A |
| Jacobs SC | — | 0 | — | — |
| Jacobs VA | Administrative & Waste Services | 0 | — | A |
| Jacobs WA | Utilities | 0 | — | A |
| Jacobs &Thompson LTD dba Worldwide Foam IN | Manufacturing | 0 | — | A |
| Jacobs and Rhodes, Inc WA | Construction | 0 | — | F |
| Jacobs Associates, Inc. WA | Professional & Technical Services | 2 | $94,808 | — |
| Jacobs BIA NY | Construction | 0 | — | A |
| Jacobs BIA TX | Construction | 0 | — | A |
| Jacobs Civil Consultants, Inc. TX | Construction | 6 | $143,231 | — |
| Jacobs Corporation IA | Manufacturing | 1 | $73,882 | — |
| Jacobs Engineering CA | — | 0 | — | — |
| Jacobs Engineering Group Inc. TX | Construction | 55 | $4,419,481 | — |
| Jacobs Engineering Group Inc. (Motiva CEP Project) TX | — | 0 | — | — |
| Jacobs Entertainment Inc. CO | Construction | 0 | — | F |
| Jacobs Entertainment, Inc. LA | Arts & Entertainment | 0 | — | A |
| JACOBS ESTS GROUP AL | — | 0 | — | — |
| Jacobs Field Services LA | — | 0 | — | — |
| Jacobs Field Services N.A. Inc. (Motiva CEP Project) TX | — | 0 | — | — |
| Jacobs Field Services N.A. Inc.- Lanxess Facility TX | — | 0 | — | — |
| Jacobs Field Services N.A.-Marathon Galveston Bay TX | — | 0 | — | — |
