| J-Star Research | $105,000 | 25 |
| J. Crew Group | $157,350 | 12 |
| J. Knipper & Company | $147,500 | 10 |
| J.B. Hunt | $126,300 | 186 |
| J.F. Edwards Construction Company | $79,170 | 13 |
| J.r. Simplot Company | $113,458 | 22 |
| J.S. Held | $121,500 | 10 |
| J.T. Magen & Company | $115,000 | 27 |
| Jabil | $120,500 | 104 |
| Jack Henry & Associates | $152,027 | 13 |
| Jackson Hospital and Clinic | $274,000 | 10 |
| Jackson Madison County General Hospital | $432,640 | 11 |
| Jackson National Life Insurance Company | $122,117 | 12 |
| Jackson Park Hospital Foundation | $76,877 | 49 |
| Jackson Public School District | $55,577 | 111 |
| Jackson State University | $58,500 | 10 |
| Jacobs Civil Consultants | $124,000 | 24 |
| Jacobs Engineering Group | $98,160 | 352 |
| Jacobs Project Management Company | $109,204 | 55 |
| JAD & Associates | $85,072 | 12 |
| Jade Business Services | $130,320 | 12 |
| Jade Global | $135,966 | 37 |
| Jain Global | $200,000 | 18 |
| Jam City | $128,887 | 10 |
| Jamaica Hospital Medical Center | $230,000 | 10 |
| James Hardie Building Products | $120,000 | 16 |
| James Madison University | $77,000 | 60 |
| James R. Glidewell Dental Ceramics | $133,586 | 44 |
| Jamsan Hotel Management | $82,046 | 14 |
| Jane Street Group | $300,000 | 79 |
| Janssen Pharmaceuticals | $168,800 | 10 |
| Janssen Research & Development | $157,578 | 108 |
| Janssen Scientific Affairs | $187,500 | 10 |
| Janssen Supply Group | $168,500 | 14 |
| Janus Henderson Investors | $127,751 | 20 |
| Japanese Children's Society | $59,328 | 14 |
| Jason Pharmaceuticals | $153,000 | 15 |
| Jasper County School District | $48,540 | 37 |
| Javen Technologies | $110,000 | 21 |
| Jaydu | $78,480 | 21 |
| Jazz Pharmaceuticals | $155,850 | 42 |
| JBT Marel | $112,802 | 10 |
| Jc Residential And Light Commercial | $80,465 | 36 |
| Jcms | $128,544 | 11 |
| JD Logistics United States Company | $69,231 | 67 |
| Jdc Healthcare Pllc | $195,000 | 15 |
| Jean Martin | $105,373 | 73 |
| Jeeva AI | $130,250 | 12 |
| Jefferies | $175,000 | 220 |
| Jefferson Parish Schools | $58,000 | 21 |
| Jefferson Science Associates | $107,560 | 36 |
| Jerry Services | $149,365 | 11 |
| JetBlue Airways | $141,172 | 50 |
| Jetro Holdings | $81,914 | 10 |
| Jewish Board of Family and Children's Services | $68,578 | 10 |
| Jfrog | $172,500 | 23 |
| Jindal Pipe | $81,682 | 12 |
| Jindal Tubular | $91,146 | 21 |
| Jinko Solar (U.S.) Industries | $81,750 | 40 |
| JKV International | $91,520 | 101 |
| JN Data Resolution | $81,600 | 12 |
| Jnd | $81,359 | 10 |
| JNIT Technologies | $110,000 | 57 |
| Joblogic-X | $89,365 | 18 |
| Jobly Solutions | $102,000 | 16 |
| Joby Aero | $165,000 | 155 |
| John Hancock Life Insurance Company (USA) | $142,044 | 63 |
| John Jay College of Criminal Justice, CUNY | $93,331 | 10 |
| John Mezzalingua Associates | $115,000 | 33 |
| John Wiley & Sons | $138,672 | 43 |
| Johns Hopkins University | $75,200 | 536 |
| Johnson & Johnson Services | $166,450 | 96 |
| Johnson & Johnson Vision Care | $125,950 | 12 |
| Johnson Controls | $106,163 | 106 |
| Johnson Matthey | $114,359 | 16 |
| Johnson, Mirmiran & Thompson | $84,234 | 18 |
| Johnston County Public Schools | $45,510 | 16 |
| Jolttek | $92,519 | 42 |
| Jones Day | $177,809 | 20 |
| Jones Lang LaSalle Americas | $126,000 | 100 |
| Jordan School District | $75,000 | 27 |
| Josh Pros | $109,283 | 13 |
| Joslin Diabetes Center | $77,267 | 12 |
| JPMorgan Chase | $157,950 | 6,204 |
| Jps Tech Solutions | $110,000 | 17 |
| JRI America | $155,290 | 115 |
| Jsat Automation | $98,592 | 20 |
| Jsm Consulting | $114,500 | 27 |
| JSMN International | $123,656 | 42 |
| JSW Steel | $95,319 | 19 |
| Judge Technical Services | $125,653 | 55 |
| Judlau Contracting | $119,496 | 15 |
| Julia Dyckman Andrus Memorial | $44,554 | 16 |
| Jump Operations | $250,000 | 126 |
| Jun Wang & Associates, P.c. | $93,662 | 11 |
| Juniper Networks | $146,307 | 279 |
| Juniper Square | $161,637 | 35 |
| Jupiter Research | $114,000 | 10 |
| Justice Resource Institute | $48,875 | 45 |
| Justworks | $170,000 | 21 |
| Juul Labs | $150,000 | 14 |