| Core Consulting Services, Inc. | Arizona |
| Core Development Group, LLC | New Jersey |
| Core dna | Massachusetts |
| Core Force, LLC | New Jersey |
| Core Group One, Inc. | |
| Core Informatics | Connecticut |
| Core Innovation Capital | California |
| Core Innovations, LLC | Texas |
| Core Learning Exchange | |
| Core Logic Consultants, LLC | New Jersey |
| Core Managed | Indiana |
| Core Microsystems, Inc. | California |
| CORE Networks | Louisiana |
| Core One Solutions, LLC | |
| Core One Solutions, LLC | |
| Core Security | Massachusetts |
| Core Sound Imaging | |
| Core Systems | California |
| Core Tech | Wisconsin |
| CORE Technologies | |
| Core Technologies Consulting, LLC | California |
| Core Techs | |
| CORE Telecom Systems | Missouri |
| Core Vista Health | |
| Core10 | Tennessee |
| Corealis Pharma, Inc. | |
| CoreALM, LLC | California |
| Coreave Design and Hosting | Virginia |
| CoreBlox | New York |
| CoreCard Software, Inc. | Georgia |
| Corecentrix Business Solution | New York |
| CoReceptionist | California |
| CoreComm Internet Services, Inc. | Michigan |
| CoreCommerce, LLC | Tennessee |
| Corecon Technologies, Inc. | California |
| COREflex | Pennsylvania |
| CoreFlex Solutions, Inc. | Illinois |
| Coreflux, Inc. | |
| Coreform, LLC | Utah |
| CoRegen, Inc. | Texas |
| Corelation, Inc. | California |
| Corelight, Inc. | California |
| Corelight, Inc. | |
| CoreLink, LLC | Missouri |
| Corellia AI | |
| Corellium, Inc. | |
| CoreLogic | California |
| Corelynx, Inc. | California |
| CoreMap, Inc. | Vermont |
| CoreMax Consulting | Maryland |