| Jefferson Concrete Corp. NY | Manufacturing | 0 | — | F |
| JEFFERSON COUNCIL ON AGING, INC LA | Healthcare & Social Assistance | 0 | — | A |
| Jefferson County EMS-ASMC PA | Healthcare & Social Assistance | 0 | — | F |
| Jefferson County Health Center IA | Healthcare & Social Assistance | 0 | — | A |
| Jefferson County Hospital MS | — | 0 | — | — |
| Jefferson County Nursing Home TN | Healthcare & Social Assistance | 0 | — | F |
| Jefferson County Public Schools KY | Educational Services | 0 | — | F |
| Jefferson County PUD #1 WA | Utilities | 0 | — | F |
| Jefferson Electric LLC IN | Construction | 0 | — | F |
| JEFFERSON ELEMENTARY SCHOOL DISTRICT CA | Educational Services | 1 | $96,837 | — |
| Jefferson Energy GA | Utilities | 0 | — | D |
| Jefferson Energy TX | Wholesale Trade | 0 | — | A |
| Jefferson Farmers Cooperative TN | Retail Trade | 0 | — | F |
| Jefferson Fire Protection District IL | Public Administration | 0 | — | A |
| Jefferson Forest Manor VA | Real Estate | 0 | — | A |
| Jefferson Health NJ | Healthcare & Social Assistance | 0 | — | F |
| Jefferson Health PA | Healthcare & Social Assistance | 0 | — | F |
| Jefferson Health - New Jersey NJ | Healthcare & Social Assistance | 0 | — | F |
| Jefferson Health System PA | Healthcare & Social Assistance | 0 | — | F |
| Jefferson Healthcare WA | Professional & Technical Services | 0 | — | F |
| Jefferson Hills Rehabilitation and Wellness Center PA | Healthcare & Social Assistance | 0 | — | F |
| Jefferson Hospital Association, Inc. AR | Healthcare & Social Assistance | 1 | $300,000 | — |
| Jefferson Industries Corporation OH | Manufacturing | 0 | — | F |
| Jefferson Machine Co., Inc. PA | Manufacturing | 0 | — | F |
| Jefferson Manor LA | Healthcare & Social Assistance | 0 | — | D |
| Jefferson Markets LLC OH | Retail Trade | 0 | — | A |
| Jefferson Parish Schools LA | Educational Services | 2 | $65,991 | — |
| Jefferson Partners MN | Transportation & Warehousing | 0 | — | D |
| Jefferson Radiology, P.C. CT | Healthcare & Social Assistance | 2 | $500,000 | — |
| Jefferson Regional AR | Healthcare & Social Assistance | 0 | — | A |
| JEFFERSON REGIONAL MEDICAL CENTER PA | Healthcare & Social Assistance | 2 | $67,163 | — |
| Jefferson Regional Rehabilitation and Behavioral Hospital, LLC AR | Healthcare & Social Assistance | 2 | $1,097,928 | — |
| Jefferson Rubber Works MA | Manufacturing | 0 | — | F |
| Jefferson Rural Fire Protection District OR | Public Administration | 0 | — | F |
| Jefferson School District 14J OR | Educational Services | 0 | — | F |
| Jefferson Science Associates, LLC VA | Professional & Technical Services | 7 | $126,771 | — |
| JEFFERSON SPRINKLER INC. LA | Construction | 0 | — | F |
| Jefferson Surgery Center Cherry Hill NJ | Healthcare & Social Assistance | 0 | — | A |
| Jefferson Surgical Center at the Navy Yard PA | Healthcare & Social Assistance | 0 | — | A |
| Jefferson University Physicians PA | Healthcare & Social Assistance | 1 | $220,000 | A |
| Jefferson's Downtown LLC KS | Accommodation & Food Services | 0 | — | A |
| Jefferson's Topeka LLC KS | Accommodation & Food Services | 0 | — | A |
| Jeffersontown Rehabilitation OPCO LLC KY | Healthcare & Social Assistance | 0 | — | C |
| Jeffersonville Cakes LLC IN | Manufacturing | 0 | — | A |
| Jeffersonville Hotel One Partners, LLC IN | Accommodation & Food Services | 0 | — | F |
| Jeffery A Moore TX | Transportation & Warehousing | 0 | — | F |
| Jeffery C Lee Farms, Inc NC | Agriculture & Forestry | 0 | — | A |
| Jeffery Contracting LLC MT | Construction | 0 | — | A |
| JeffHome NJ LLC NJ | Healthcare & Social Assistance | 0 | — | F |
| JeffHome PA LLC PA | Healthcare & Social Assistance | 0 | — | F |
