| Jerseyitech | New Jersey |
| Jeskell Systems, LLC | Maryland |
| Jesse Zhang | |
| Jessup University | California |
| Jesta Towers, Inc. | Florida |
| Jestor, Inc. | |
| Jet Admin | California |
| Jet City Consulting, Inc. | Washington |
| Jet City Device Repair | Washington |
| Jet Digital Marketing | |
| Jet Partners Worldwide, Inc. | |
| Jet Set Views, LLC | |
| Jet Stream Systems, Inc. | Kansas |
| Jet Technologies, Inc. | Wisconsin |
| Jet Web Designs, Inc. | North Carolina |
| Jet.Dev, LLC | |
| Jet3D.com | California |
| JetApps, Inc. | California |
| JetBase, Inc. | Wyoming |
| JetBlue Ventures | California |
| JetCool Technologies, Inc. | Massachusetts |
| Jethro | New York |
| Jetify, Inc. | California |
| Jetpack | |
| Jetpack Creative | Ohio |
| Jetpack Labs, Inc. | |
| Jetpack Workflow | Pennsylvania |
| JetRockets | |
| JetRuby Agency Ltd | |
| Jetson | Washington |
| Jetstream | |
| JetThoughts | |
| Jetty | New York |
| Jetway Computer Corporation | California |
| JetWebinar, Inc. | Illinois |
| JetZero | |
| Jewel Accounting System | Florida |
| Jewel Web & Design | |
| Jewelry Software | New Jersey |
| Jewett Automation | Virginia |
| Jewish High Tech Community | California |
| JF Shaw Company, Inc. | Massachusetts |
| JFK Communications, Inc. | |
| JFW Industries, Inc. | Indiana |
| JG Web Designs | Illinois |
| JGJ Consulting | New York |
| JGR Consulting | Ohio |
| JH Communications, LLC | |
| JH CompuTech, Inc. | New Jersey |
| JH Computer Clinic | Wyoming |