| 240 | T | transit 240 | transit (medical? centreville/cahokia) | Transportation |
| 656 | T | construction 656 | construction | Business |
| 800 | T | taxi 800 | taxi service | Transportation |
| 10277 | T | 10277 bar ops | bar ops (Holiday Inn?) | Business |
| 600001 | T | WUSA Techs 1 | Wireless USA: Radio Techs | Business |
| 600002 | T | brick co 6000002 | brick company | Business |
| 600007 | T | RentalsRadio007 | Rental Radios | Business |
| 600101 | T | RentalsRadios101 | Rental Radios | Business |
| 600103 | T | RentalsRadios103 | Rental Radios | Business |
| 600105 | T | RentalsRadios105 | Rental Radios | Business |
| 600107 | T | RentalsRadios107 | Rental Radios | Business |
| 600251 | T | buses 600251 | buses/schools buses (3xx) | Transportation |
| 600301 | T | transit 600301 | transit (medical?) | Transportation |
| 600302 | T | transit 600302 | transit (elderly?) (STL city) | Transportation |
| 600303 | T | buses 600303 | buses / shuttles | Transportation |
| 600312 | T | towing 600312 | towing company | Business |
| 600326 | T | 1stStudentSLPS A | First Student Buses: Admin (St Louis Public School) | Transportation |
| 600327 | T | Drury Shuttles 1 | Drury Hotels: Shuttles [Ch 1] | Transportation |
| 600328 | T | Drury Shuttles 2 | Drury Hotels: Shuttles [Ch 2] | Transportation |
| 600329 | T | Drury Shuttles 3 | Drury Hotels: Shuttles [Ch 3] | Transportation |
| 600330 | T | 1stStudentSLPS B | First Student Buses (St Louis City Public Schools) | Transportation |
| 600333 | T | crane 600333 | crane yard / plant | Business |
| 600335 | T | rock 600335 | rock deliveries / landfill | Business |
| 600339 | T | Waste Mgmt 339 | Waste Management: Unit-to-Unit | Business |
| 600440 | T | Waste Mgmt 440 | Waste Management: Dispatch (St Charles MO, Fairview Hts) | Business |
| 600441 | T | towing 600441 | towing company (AAA) | Business |
| 600448 | T | trucks 600448 | trucking/dumping dirt 600448 | Business |
| 600449 | T | Waste Mgmt 449 | Waste Managment: Pickup (Melinda, city Hall) (T units) | Business |
| 600550 | T | trucks 600550 | trucks/pressure wash | Business |
| 600610 | T | ops 600610 | business operations | Business |
