| LP Technologies, Inc. | Kansas |
| LPA Retail Systems, Inc. | Minnesota |
| LPA Software Solutions | New York |
| LPH Internet Services | California |
| LPKF Laser & Electronics North America | Oregon |
| LPOXY Therapeutics, Inc. | |
| LPS Computer | California |
| LQ Digital | California |
| LR Communications, Inc. | Wyoming |
| LR Technologies | |
| LRE Hosting | Massachusetts |
| LRN Corporation | |
| LRSxpress Web Services | Georgia |
| LRV Health | Massachusetts |
| LRW Solutions Group, Inc. | Pennsylvania |
| LS Communications Group, Inc. | Virginia |
| LS Media | Connecticut |
| LSC Communications, LLC | |
| LSEO.com | Pennsylvania |
| LSG Investments | Pennsylvania |
| LSI Design & Integration Corporation | California |
| LSI Solutions, Inc. | New York |
| LSM | Tennessee |
| LST, Inc. | Alabama |
| LSU AgCenter | |
| LT Software Solutions, Inc. | New Hampshire |
| LTC Connect | Kentucky |
| LTC International | Texas |
| LTC Technology Systems, Inc. | Florida |
| Ltech Services, Inc. | |
| LTech Solutions | Ohio |
| LTG Capital, LLC | Massachusetts |
| LTI Optics, LLC | Colorado |
| LTN Global Communications, Inc. | |
| LTS | |
| LTZ Therapeutics, Inc. | |
| Lubbock Christian University | Texas |
| Lubbock Internet | Texas |
| Lubrizol Corporation | |
| Luby Software, LLC | |
| Luca Vanzella Consulting Ltd | Washington |
| Lucas Technology | New Mexico |
| Lucayan Technology | Florida |
| Lucem Health | North Carolina |
| Lucence Health, Inc. | California |
| Lucent Medical Systems | |
| Lucent Sky | California |
| Luceome Biotechnologies | Arizona |
| Lucerna | New York |
| Lucerno Dynamics, LLC | |