| Rank | Abbreviation | Meaning |
|---|
| ***** | TCBL | Toronto Community Branch Library (Toronto, OH)
| |
| ***** | TCBL | Thomson-Mcduffie Co Branch Library (Thomson, GA)
| |
| ***** | TCBL | Texas Collegiate Baseball League
| |
| **** | TCBL | Temporary Community Broadcasting Licence
| |
| **** | TCBL | The Company of Biologists Limited
| |
| **** | TCBL | Tabor City Branch Library (Tabor City, NC)
| |
| **** | TCBL | Tawas City Branch Library
| |
| **** | TCBL | Thailand Campaign to Ban Landmines
| |
| *** | TCBL | Tidewater Catholic Basketball League
| |
| *** | TCBL | Town Center Branch Library (Portland, OR)
| |
| *** | TCBL | Tahoe City Branch Library (Tahoe City, CA)
| |
| *** | TCBL | Tory Corner Branch Library (West Orange, NJ)
| |
| *** | TCBL | Twiggs County Branch Library (Jeffersonville, GA)
| |
| ** | TCBL | Triple Crown Baseball League
| |
| ** | TCBL | Texas Central Business Lines
| |
| ** | TCBL | Taliaferro Co Branch Library (Crawfordville, GA)
| |
| ** | TCBL | Tradewind Cumulus Boundary Layer
| |
| * | TCBL | Tooele County Bookmobile Library
| |