| jQuery vs MooTools | California |
| JR Automation | Michigan |
| JRA Computers | Georgia |
| JRD Systems, Inc. | Michigan |
| JRD Tech, LLC | New Jersey |
| JRebel | |
| JRH Web Design & Hosting | New York |
| JRiver, Inc. | Minnesota |
| JRM Web Marketing | |
| JRNI | Massachusetts |
| JRO Technology, LLC | |
| JRS Mar/Com | |
| JRTwine Software, LLC | New Hampshire |
| JrWebWorks, LLC | Michigan |
| JRX Biotechnology | California |
| JRX Biotechnology, Inc. | California |
| JS Panther | |
| JS Web Solutions | Idaho |
| JSA Global Communications | |
| JSA InterActive, Inc. | |
| JSB Collaborative | |
| JSCAPE | Florida |
| Jscrambler | California |
| JSGuru | |
| JSGuru | |
| JSI Telecom | Virginia |
| JSK Therapeutics | |
| JSL Marketing & Web Design | |
| jsmithdesign | Alabama |
| JSNation | |
| JSoft, Inc. | Illinois |
| Jsource Technologies | North Carolina |
| JSpell | Indiana |
| JSR Life Sciences, LLC | California |
| JSweb Technology | Maryland |
| JSys | Texas |
| JT Images, Inc. | New Jersey |
| JTF Business Systems | Virginia |
| JTnet, Inc. | |
| Jtree SEO | Oregon |
| JTZ Enterprise, LLC | Virginia |
| Jub Jub, Inc. | |
| Jubilant Cadista | Pennsylvania |
| Jubilant HollisterStier, LLC | Washington |
| Jubilant Radiopharma | |
| Jubilant Therapeutics, Inc. | |
| Judge Group, Inc. | Pennsylvania |
| Judi | Massachusetts |
| Judicial Innovations | |
| Judo Bio | |