HaulSOUTHERN PIPE & SUPPLY CO INC
USDOT 79183 · MERIDIAN, MS
Southern Trucking, a for-hire carrier based in Meridian, Mississippi, operates 269 power units and 362 drivers. The carrier reported 10,750,000 annual miles in 2025 and a vehicle out-of-service rate of 17.0% compared to the snapshot benchmark of 21.2%. HaulReport-estimated percentiles show controlled substances at 8.1 (an independent estimate, not an official FMCSA or CSA score), hours-of-service compliance at 56.5, and vehicle maintenance at 39.2.
HaulReport interpretation — automatically generated from the public FMCSA data below and our percentile estimates, and checked against those source figures.
Estimated BASIC percentiles
Out-of-service rates
Out-of-service rate = inspections resulting in an out-of-service order ÷ inspections. The benchmark is the inspection-weighted rate across this FMCSA snapshot — not an official national average. Rates are shown only with at least 5 inspections.
MCS-150 biennial update
Due March 2028FMCSA sets each carrier's biennial update month from the last two digits of the USDOT number (last digit → month, second-to-last digit → odd/even year) — it is required even when nothing has changed. This is a schedule derived from the public rule, not a compliance determination. Verify and file on FMCSA · Deadline calculator
Carrier facts (public FMCSA data)
| USDOT number | 79183 |
|---|---|
| Legal name | SOUTHERN PIPE & SUPPLY CO INC |
| Doing business as | SOUTHERN TRUCKING |
| Location | MERIDIAN, MS |
| Operating classification | Authorized for-hire (per FMCSA census) |
| Power units (fleet size) | 269 |
| Drivers | 362 |
| Reported annual mileage | 10,750,000 (reported for 2025) |
| FMCSA registered | 1974 (~52 years) |
| Last MCS-150 update | March 20, 2026 |
| Next MCS-150 update due | March 2028 |
| Inspections (trailing 24 mo) | 199 |
| Published BASIC measures | 3 |