| Langistic Networks | New York |
| Langr Software Solutions | Colorado |
| Langston University | Oklahoma |
| Langtech | California |
| Language Computer Corporation | Texas |
| Language IO, Inc. | Wyoming |
| Lanier Biotherapeutics, Inc. | |
| Lanier Consultants, Inc. | Georgia |
| Lanier Technical College | Georgia |
| LANInfotech, LLC | Florida |
| Lanit | Missouri |
| Lanitech Web Design, Inc. | California |
| LANline Communications, Inc. | New York |
| Lanlogic | California |
| Lanmark Technology, Inc. | Virginia |
| Lannett Company, Inc. | Pennsylvania |
| Lansa, Inc. | Illinois |
| Lansare | Wisconsin |
| Lansdale School of Business | Pennsylvania |
| Lansdale Semiconductor, Inc. | Arizona |
| Lansea Systems, Inc. | Massachusetts |
| Lansend, Inc. | New York |
| Lanset America Corporation | California |
| LANshack.com | New Jersey |
| LANSRAD | Tennessee |
| LANstar, LLC | Arizona |
| Lanstreet.com | California |
| Lantana Games | Massachusetts |
| Lantana Ltd | California |
| LANtec of Louisiana, LLC | Louisiana |
| LANTEC Systems, Inc. | Virginia |
| Lanteria | Florida |
| Lantern | California |
| Lantern Pharma, Inc. | |
| Lantern Web | Minnesota |
| Lantheus Medical Imaging, Inc. | Massachusetts |
| Lantium, Inc. | Pennsylvania |
| Lantrasoft | Ohio |
| Lantronix, Inc. | California |
| Lanvantage | Arkansas |
| Lanvera | Texas |
| LanzaJet | |
| LanzaTech | Illinois |
| Lanzinger Studio | California |
| LapFix, Inc. | Virginia |
| Laplink Software, Inc. | Washington |
| LaPorte Asset | Florida |
| LaPraim | Texas |
| Lapta Space | |
| Laptop Mag | New York |