| Knight Technology Services | Pennsylvania |
| Knight Tymes Designs, LLC | Arizona |
| Knight Web Services, Inc. | Texas |
| Knights of Bytes | Nebraska |
| Knights Software Solutions, Inc. | Minnesota |
| Knights Technologies | Kentucky |
| Knightscope, Inc. | California |
| Knightware, LLC | North Carolina |
| Knit, Inc | |
| KNK Software, L.P. | New Jersey |
| Knoa Software, Inc. | New York |
| Knock | New York |
| Knockout Web Media Marketing | |
| Knoetic | |
| Knoetry | California |
| Knogin, Inc. | |
| Knomadix, Inc. | |
| Knomatic | |
| Knomatic Software | Ohio |
| Knometa Research Corporation | California |
| Knoq | Puerto Rico |
| Knotch | |
| KNOW Bio | North Carolina |
| Know Your Team | California |
| KnowBe4, Inc. | Florida |
| Knowbrainer, Inc. | Tennessee |
| Knowi | |
| Knowland Group, Inc. | District of Columbia |
| Knowledge | |
| Knowledge Accelerators | Florida |
| Knowledge Anywhere | Washington |
| Knowledge Based Systems, Inc. | Virginia |
| Knowledge Escape | Utah |
| Knowledge Hub Media | Pennsylvania |
| Knowledge Leaders Capital, LLC | Colorado |
| Knowledge Link | Virginia |
| Knowledge Sharing Systems, LLC | North Carolina |
| Knowledge Systems Institute | Illinois |
| Knowledge Transfer Consulting Services, Inc. | Minnesota |
| KnowledgeCity | California |
| KnowledgeHound | |
| KnowledgeLake | |
| KnowledgeNet | Georgia |
| KnowledgeWave | Vermont |
| Knowles Electronics, LLC | Illinois |
| Knowmad Digital Marketing | North Carolina |
| KNOWN | Virginia |
| Known Digital Marketing | |
| Known Medicine | Utah |
| Known, Inc. | |