| TradeBark, LLC | |
| TradeBlock | New York |
| TradeCraft Clinical Research | Pennsylvania |
| TradeFan, Inc. | |
| TradeLink Solutions | Pennsylvania |
| TrademarkCart | Delaware |
| TradeMax, LLC | |
| TradePending | |
| Trader2B | Florida |
| TraderTools | New York |
| TraderTools | |
| Tradeshiftt, Inc. | New York |
| Tradesmen's Software, Inc. | Illinois |
| Tradespace, Inc. | |
| TradeStation | Florida |
| TradeStone QA, LLC | |
| TradeTools FX | Illinois |
| TradeUI | New York |
| Tradewind BioScience | California |
| Tradewind Creations, LLC | South Carolina |
| TradeWinds Software Corporation | Louisiana |
| Trading Blox | Massachusetts |
| Trading Company, LLC | New Jersey |
| Trading Computers | Wyoming |
| Trading Technologies International, Inc. | Illinois |
| TradingScreen, Inc. | New York |
| Tradologics, Inc. | Delaware |
| Tradovate, LLC | Illinois |
| Traefik Labs | California |
| Traffic Connection, Inc. | Florida |
| Traffic Service Bureau, Inc. | Pennsylvania |
| Traffic Ticket CRM | Texas |
| Trafficdeveloper | New Mexico |
| Trafficera | Virginia |
| TrafficTalk | Virginia |
| TrafficWave.net | Texas |
| TrafficZoom | California |
| Traffikoo, LLC | |
| Trafific Generation Cafe | Arizona |
| Trail Blazer Campaign Services, Inc. | Minnesota |
| Trail of Bits | New York |
| Trailblaze Marketing | |
| Trailblaze Media, LLC | Missouri |
| Trailhead | |
| Trailhead Biosystems, Inc. | Ohio |
| Trailhead Capital | |
| Trailmark Systems, Inc. | |
| TrailsWeb, LLC | South Dakota |
| Train Track | California |
| Traina Design | |