Southern Tank Transport Inc
USDOT 548304 · MC-270785 · Holly Hill, South Carolina · Interstate for-hire carrier · 100–249 power units
Southern Tank Transport Inc is a corporation based in Holly Hill, South Carolina, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 137 power units and 115 drivers, which ranks it #26 by fleet size among 94 active for-hire carriers with 50+ power units headquartered in South Carolina. In the 24 months to Sep 24, 2026 its trucks were inspected 189 times – about 1.4 inspections per power unit. 30.5% of vehicle inspections and 1.1% of driver inspections ended with an out-of-service order, against 18.8% and 2.6% for carriers of the same size nationally. FMCSA records 15 reportable crashes in the last 24 months (13 injuries, 0 fatalities, 13 tow-away), or 10.9 per 100 power units versus 4.5 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, metal: sheets, coils, rolls, logs, poles, beams, lumber, building materials, liquids / gases, grain, feed, hay, coal / coke, chemicals and more.
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Registration and contact
| Legal name | Southern Tank Transport Inc |
|---|---|
| DBA name | — |
| USDOT number | 548304 |
| Operating authority (docket) | MC-270785 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 1789 Gardner, Holly Hill, SC 29059 |
| Phone | (803) 496-1800 |
| First registered | Jan 21, 1994 |
| Last MCS-150 update | Sep 24, 2025 |
| Hazmat carrier | No |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 548304.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 0 | 0 | 0 |
| Truck tractors | 137 | 0 | 0 |
| Trailers | 321 | 0 | 0 |
- 0.84 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 2.3 trailers per tractor – a drop-and-hook style trailer pool.
- 9,314,400 miles reported for 2024 – about 67,988 miles per power unit vs a 41,613 median for 100–249-unit fleets.
- 100% of listed equipment is owned rather than leased.
- 115 CDL drivers; 115 drivers operate interstate beyond 100 miles, 0 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 100–249-unit for-hire carriers nationally (2,611) and South Carolina carriers with 50+ units (94).
| Measure | Southern Tank Transport Inc | Same size, US | SC average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 30.5% | 18.8% | 22.0% | 62% higher than average |
| Driver out-of-service rate | 1.1% | 2.6% | 1.7% | 59% lower than average |
| Crashes per 100 power units | 10.9 | 4.5 | 5.2 | 144% higher than average |
| Inspections | 189 | 187 with a driver check, 82 with a vehicle check, 183 BASIC violations recorded | ||
| FMCSA safety rating | Satisfactory (rated Oct 12, 2022) | |||
Cargo carried
Less common in this directory: coal / coke (294 of 5,000 carriers); agricultural / farm supplies (734 of 5,000 carriers).
Similar carriers in South Carolina
Closest fleet size and cargo mix among South Carolina carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Antler Transport LLC USDOT 951978 | Mt Pleasant | 143 | 143 | 242 | 45.5% | 15 |
| American Transport Services LLC USDOT 2953269 | Fort Mille | 170 | 170 | 175 | 40.3% | 10 |
| Aaa Transportation Services Inc USDOT 1403513 | Aynor | 139 | 115 | 233 | 50.7% | 15 |
| Carolina National Transportation LLC USDOT 659150 | Mount Pleasant | 121 | 121 | 214 | 26.5% | 11 |
| Carolina Logistics Inc USDOT 2355570 | Boiling Springs | 140 | 70 | 219 | 33.3% | 8 |
| Senn Freight Lines Inc USDOT 536920 | Newberry | 100 | 100 | 304 | 27.9% | 10 |
Other carriers near Holly Hill
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Southeastern Freight Lines LLC USDOT 63419 | Lexington | 3,177 | 3,895 | 1,937 | 9.5% | 187 |
| HM Sefa Transportation LLC USDOT 605674 | Lexington | 257 | 192 | 226 | 10.5% | 10 |
| Owen Electric Steel Company of South Carolina USDOT 716690 | Cayce | 98 | 60 | 66 | 50.0% | 3 |
| La Barrier & Son Inc USDOT 258355 | Lexington | 95 | 95 | 347 | 40.8% | 6 |
| Southway Crane & Rigging Columbia LLC USDOT 1049100 | Lexington | 74 | 42 | 25 | 0.0% | 2 |
| Smith Trucking Inc USDOT 264036 | Bowman | 73 | 59 | 123 | 30.3% | 2 |
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FAQ
What is the USDOT number of Southern Tank Transport Inc?
Southern Tank Transport Inc is registered with USDOT number 548304 and operating authority MC-270785.
How many trucks does Southern Tank Transport Inc have?
It reports 137 power units (137 tractors, 0 straight trucks) and 321 trailers, with 115 drivers, on its last MCS-150 update (Sep 24, 2025).
Where is Southern Tank Transport Inc located?
Its registered physical address is in Holly Hill, South Carolina 29059.
What is the out-of-service rate of Southern Tank Transport Inc?
Over 24 months, 30.5% of vehicle inspections and 1.1% of driver inspections resulted in an out-of-service order (same-size national average: 18.8% vehicle, 2.6% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.