SOUTHERN PETROLEUM LABORATORIES INC

USDOT 240804 • DBA: SPL • 1030 N POPLAR ST STE A, CASPER, WY, 82601

ACTIVE

Authority:None on file

Insurance:None on file

BOC-3:Not on file

Safety Rating:Not rated

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

240,804

Status

ACTIVE

Entity Type

Corporation

Operation

Interstate

State

Wyoming

Phone

3372586511

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

MCS-150 Mileage

Physical Address

1030 N POPLAR ST STE A, CASPER, WY, 82601

Mailing Address

2202 TIMBERLOCH PL STE 210, THE WOODLANDS, TX, 77380

Contact

Phone: 3372586511

Email: [email protected]

Risk Signals1 flagged

MEDIUM

Elevated vehicle OOS rate: 50.0%

National average is 23.4%. This carrier's vehicle OOS rate is 26.6 percentage points above average.

Signals are auto-detected from FMCSA public records. This is not a regulatory determination.

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

None on file

BOC-3 Filing

Not on file

Operating Authority

fmcsa-authhistApr 5, 2026

No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Driver Fitness

N/A

Hours of Service

N/A

Unsafe Driving

N/A

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections

Violations

5 OOS

Vehicle OOS %

50.0%

Above nat'l avg (23.4%)

Driver OOS %

0.0%

Power Units (MCS-150)

Drivers (MCS-150)

Crash Records

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 6 of 6 inspection records

Inspection Activity Map

6 states • 6 inspections

None Low Medium High🚛 Home base

Violation Summary (22 violations from 6 inspections)

fmcsa-inspection-file

Violation Summary (22 violations from 6 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:393.48A	Inoperative/defective brakes	4	0	8	Vehicle Maintenance
FMCSR:393.9A-LSLI	Inoperable required lamps	2	0	3	Vehicle Maintenance
FMCSR:393.205C-WR	Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken.	1	0	—	Vehicle Maintenance
FMCSR:390.21TB2-DOT	390.21TB2-DOT	1	0	—	General/Admin
FMCSR:393.43DBMA	Brake - relay emergency valve	1	1	7	Vehicle Maintenance
FMCSR:393.9A-LTSI	Inoperable required lamps	1	1	3	Vehicle Maintenance
FMCSR:390.21(a)	Vehicle marking requirements	1	0	3	General/Admin
FMCSR:393.43D	Brake - relay emergency valve	1	1	7	Vehicle Maintenance
FMCSR:393.78	Windshield condition defective	1	0	4	Vehicle Maintenance
FMCSR:393.81	Horn inoperable	1	0	2	Vehicle Maintenance
FMCSR:393.9	Inoperable Required Lamp	1	0	—	Vehicle Maintenance
FMCSR:396.3A1BOS	BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination	1	1	—	Vehicle Maintenance
FMCSR:392.2-SLLSOA	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.100B-C	Cargo securement - aggregate working load	1	1	6	Vehicle Maintenance
FMCSR:393.47E	Slack adjuster defective	1	0	7	Vehicle Maintenance
FMCSR:393.53B-B	Steering system components worn	1	0	7	Vehicle Maintenance
FMCSR:392.2	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:396.17(c)	No proof of periodic inspection	1	0	3	Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate

50.0%vs nat'l 23.4%

+26.6 pts above avg

Driver OOS Rate

0.0%vs nat'l 6.7%

-6.7 pts below avg

Violations / Inspection

3.67vs nat'l 1.80

+1.87 above avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (6 inspections)

fmcsa-inspectionsApr 5, 2026

Inspection History (6 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Mar 25, 2026	87396325	KAY POE	OK	Level 1	FORD STRAIGHT TRUCK	1	393.205C-WR	No
Feb 23, 2026	87133951	STEUBENVILLE OH	OH	Level 2	FORD STRAIGHT TRUCK	4	390.21TB2-DOT, 393.43DBMA, 393.9A-LTSI	Yes
May 9, 2025	84686700	Roadside	TX	Level 1	FORD STRAIGHT TRUCK	10	393.48A, 390.21(a), 393.43D	Yes
Jan 15, 2025	83626105	Roadside	WY	Level 1	STRG STRAIGHT TRUCK	5	392.2-SLLSOA, 393.9A-LSLI, 393.100B-C	Yes
Jun 7, 2024	81860465	EATON CO	CO	Level 1	DODGE STRAIGHT TRUCK	2	392.2, 396.17(c)	No
Sep 13, 2023	79673372	OSYKA INSPECTION STATION	MS	Level 2	INTL STRAIGHT TRUCK	0	—	No