SOUTHERN PETROLEUM LABORATORIES INC
USDOT 240804 · Doing business as SPL
Active, interstate carrier, mid-size fleet (37 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate75% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 240804 |
|---|---|
| MC Number | — |
| Legal Name | SOUTHERN PETROLEUM LABORATORIES INC |
| DBA Name | SPL |
| Entity Type | CORPORATION |
| Phone | 3372586511 |
| Address | 1030 N POPLAR ST STE A, Casper, WY, 82601 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 93 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 4 |
|---|---|
| Out-of-Service Rate | 75% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2025-10-22 — WY — towaway
Most frequent violation categories: 16 (7), 20 (4), 15 (2).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 37 |
|---|---|
| Drivers | 39 |
| Recent Annual Mileage | 1 |
| Last MCS-150 Filing | 15-DEC-25 |
SOUTHERN PETROLEUM LABORATORIES INC operates 37 power units — a larger fleet than 99% of carriers registered in WY.
Nearby
Other carriers in Casper, WY
- SALT CREEK FREIGHTWAYS — USDOT 101187, 244 power units
- WYOMING MACHINERY COMPANY — USDOT 52081, 181 power units
- ROCKY MOUNTAIN TRUCKING CO — USDOT 101199, 132 power units
- AIR FREIGHT INC — USDOT 164654, 97 power units
- HOMAX OIL SALES INC — USDOT 175899, 97 power units
Browse all carriers in Casper, WY or all WY carriers.