| Stellar Science | |
| Stellar SEO | |
| Stellar Software | California |
| Stellar Solutions | California |
| Stellar Systems, LLC | Illinois |
| Stellar Technologies | Arizona |
| Stellar Ventures | |
| Stellar Ventures, Inc. | Minnesota |
| Stellar-eMarketing, Inc. | |
| Stellaromics | |
| Stellaromics, Inc. | Massachusetts |
| Stellars Tech | |
| Stellartech Research Corporation | California |
| Stellarware | Massachusetts |
| Stellate, Inc. | |
| Stellatus Studios, LLC | Texas |
| Stellic | |
| Stelligent Systems, LLC | Virginia |
| Stellular Bio, Inc. | |
| Stem Cell Reserve, GP, LLC | Texas |
| Stem Pharm, Inc. | Wisconsin |
| Stem, Inc. | California |
| StemBioSys, Inc. | Texas |
| StemCardia, Inc. | |
| StemCellerant, LLC | Massachusetts |
| StemCyte | California |
| Stemedica Cell Technologies, Inc. | California |
| Stemgenics, Inc. | Washington |
| Stemify | Connecticut |
| Stemina Biomarker Discovery, Inc. | Wisconsin |
| Stemloop, Inc. | Illinois |
| StemMed Ltd | Texas |
| Stemmons Enterprise | Texas |
| StemRad, Inc. | |
| StemSynergy Therapeutics, Inc. | |
| Stencyl, LLC | |
| StenoAI, Inc. | California |
| StenoCAT | California |
| Stensul, Inc. | New York |
| Stentech, Inc. | Texas |
| Step 1, Inc. | |
| Step Mobile, Inc. | California |
| Step2 It Solutions, LLC | |
| StepChange Labs | |
| Stepful | Michigan |
| StepFunction | California |
| Stephen A. Weis | California |
| Stephen B. Starr Design, Inc. | |
| Stephen Burakoff | |
| Stephen E. Austin State University Department of Computer Science | Texas |