| PROM Software, Inc. | Vermont |
| ProMab Biotechnologies, Inc. | California |
| Promakhos Therapeutics, Inc. | |
| Promanage IT Solutions | |
| ProMarketing Leads | Nebraska |
| PromaSys Corporation | California |
| ProMax Unlimited | Iowa |
| Promaxo | California |
| Prome Media | |
| ProMed Molded Products | Minnesota |
| Promediary.com | Florida |
| Promedica International | California |
| ProMedix, Inc. | |
| Promega Corporation | Wisconsin |
| Promensys | New York |
| Promentis Pharmaceuticals, Inc. | |
| Promergent | New York |
| Promerix, LLC | |
| Promero, Inc. | Florida |
| Promerus, LLC | Ohio |
| Promet Source | Illinois |
| ProMetaverso | |
| Promethean AI, Inc. | California |
| Promethean Ltd | Washington |
| Promethean Power Systems, Inc. | |
| Prometheum, Inc. | Illinois |
| Prometheus | California |
| Prometheus Group | North Carolina |
| Prometheus Hyperscale | |
| Prometheus Laboratories | |
| Prometheus Materials, Inc. | |
| Prometric | Maryland |
| PROMETRIKA, LLC | Massachusetts |
| Promex Industries, Inc. | California |
| ProMiles Software Development Corporation | Texas |
| Prominent Web Design | Arizona |
| Prominex, Inc. | California |
| Prominic.NET | Illinois |
| Promis Diagnostics | California |
| Promise | |
| Promise Robotics | |
| Promise Technology, Inc. | California |
| PROMISS Diagnostics, Inc. | Wisconsin |
| ProMission | Idaho |
| Promium, LLC | Washington |
| Promixis, LLC | California |
| Prommune, Inc. | Kansas |
| PromoAffiliates | |
| Promoboxx, Inc. | Massachusetts |
| Promodex Corporation | |