| Teguar Computers | North Carolina |
| TEI Software Development | |
| Teikametrics | Massachusetts |
| Teja Group, Inc. | |
| Tek Experts | Colorado |
| TEK Industries | Connecticut |
| Tek Media Group | California |
| Tek-Connect | |
| Teka Interconnection Systems | Rhode Island |
| Tekarsh | |
| TekBoost | Texas |
| TekCeptional Solutions | |
| TekChoice | Massachusetts |
| TekCitadel, LLC | |
| TekCore, LLC | Maryland |
| TEKDesign | |
| TekDoc Solutions | Massachusetts |
| TekDoctor | |
| Tekglide, Inc. | |
| tekHouse | |
| Tekhqs | |
| Tekies Data Solution | |
| Tekintelligence, Inc. | Florida |
| TekinvaderZ, LLC | |
| Tekion Corporation | California |
| Teklead Corporation | California |
| Tekli | |
| Tekmanagement | Oregon |
| Tekmark Global Solutions, LLC | New Jersey |
| Tekmetric | Texas |
| Tekmos, Inc. | Texas |
| Teknational Industries, Inc. | California |
| Teknicks, LLC | New Jersey |
| Teknimedia Corporation | Maryland |
| Tekno Telecom, LLC | Illinois |
| Teknoir, LLC | Texas |
| Teknova | California |
| Tekpros, Inc. | Texas |
| Tekram USA | California |
| Tekrevol | Texas |
| Tekrowe | California |
| TekScape Solutions | California |
| Tekserve, Inc. | North Carolina |
| Tekskills, Inc. | New Jersey |
| Teksoft Ventures | Illinois |
| Teksonix, Inc. | Ohio |
| Teksouth Corporation | Alabama |
| TekSturdy | Virginia |
| TekSynap | |
| TEKsystems, Inc. | Maryland |