Southern Pipe & Supply Company Inc
USDOT 79183 · MC-781961 · Meridian, Mississippi · Interstate for-hire carrier · 250–499 power units
Southern Pipe & Supply Company Inc (dba Southern Trucking) is a corporation based in Meridian, Mississippi, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 269 power units and 362 drivers, which ranks it #8 by fleet size among 85 active for-hire carriers with 50+ power units headquartered in Mississippi. In the 24 months to Sep 24, 2026 its trucks were inspected 206 times – about 0.8 inspections per power unit. 18.0% of vehicle inspections and 5.8% of driver inspections ended with an out-of-service order, against 18.3% and 2.0% for carriers of the same size nationally. FMCSA records 19 reportable crashes in the last 24 months (9 injuries, 0 fatalities, 19 tow-away), or 7.1 per 100 power units versus 4.2 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, building materials, machinery, large objects, chemicals, construction.
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Registration and contact
| Legal name | Southern Pipe & Supply Company Inc |
|---|---|
| DBA name | Southern Trucking |
| USDOT number | 79183 |
| Operating authority (docket) | MC-781961 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 4330 Hwy 39 N, Meridian, MS 39301 |
| Phone | — |
| First registered | Jun 1, 1974 |
| Last MCS-150 update | Mar 20, 2026 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 79183.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 208 | 40 | 0 |
| Truck tractors | 21 | 0 | 0 |
| Trailers | 49 | 0 | 0 |
- 1.35 drivers per power unit (national median for 50+ unit fleets: 0.99) – suggests team driving, slip-seating or multiple shifts.
- 2.3 trailers per tractor – a drop-and-hook style trailer pool.
- 10,750,000 miles reported for 2025 – about 39,963 miles per power unit vs a 41,335 median for 250–499-unit fleets.
- 87% of listed equipment is owned rather than leased.
- 50 CDL drivers; 60 drivers operate interstate beyond 100 miles, 40 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 250–499-unit for-hire carriers nationally (792) and Mississippi carriers with 50+ units (85).
| Measure | Southern Pipe & Supply Compa | Same size, US | MS average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 18.0% | 18.3% | 20.2% | about average |
| Driver out-of-service rate | 5.8% | 2.0% | 2.0% | 189% higher than average |
| Crashes per 100 power units | 7.1 | 4.2 | 6.7 | 70% higher than average |
| Inspections | 206 | 206 with a driver check, 100 with a vehicle check, 173 BASIC violations recorded | ||
| FMCSA safety rating | Satisfactory (rated Nov 6, 2006) | |||
Cargo carried
Similar carriers in Mississippi
Closest fleet size and cargo mix among Mississippi carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Unlimited Deliveries LLC USDOT 2855991 | Pass Christian | 212 | 212 | 654 | 36.3% | 26 |
| Big Level Trucking Inc USDOT 721704 | Wiggins | 196 | 156 | 686 | 36.4% | 33 |
| Deepwell Energy Services LLC USDOT 115518 | Columbia | 257 | 203 | 114 | 30.8% | 9 |
| Gulf Relay LLC USDOT 2068379 | Clinton | 249 | 247 | 470 | 25.0% | 19 |
| Evergreen Industries Incorporated USDOT 421895 | Liberty | 151 | 139 | 263 | 8.9% | 8 |
| Diesel Express Inc USDOT 1065876 | Blue Mountain | 107 | 180 | 277 | 31.8% | 15 |
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FAQ
What is the USDOT number of Southern Pipe & Supply Company Inc?
Southern Pipe & Supply Company Inc is registered with USDOT number 79183 and operating authority MC-781961.
How many trucks does Southern Pipe & Supply Company Inc have?
It reports 269 power units (21 tractors, 248 straight trucks) and 49 trailers, with 362 drivers, on its last MCS-150 update (Mar 20, 2026).
Where is Southern Pipe & Supply Company Inc located?
Its registered physical address is in Meridian, Mississippi 39301.
What is the out-of-service rate of Southern Pipe & Supply Company Inc?
Over 24 months, 18.0% of vehicle inspections and 5.8% of driver inspections resulted in an out-of-service order (same-size national average: 18.3% vehicle, 2.0% 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.