S & T OILFIELD SERVICES LLP

USDOT 1061929 • 107 W BROADWAY, ELK CITY, OK, 73644

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

1,061,929

Status

ACTIVE

Operation

Interstate

State

Oklahoma

Phone

5802256506

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

MCS-150 Mileage

632,793

Physical Address

107 W BROADWAY, ELK CITY, OK, 73644

Mailing Address

PO BOX 592, ELK CITY, OK, 73648

Contact

Phone: 5802256506

Email: [email protected]

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

Hours of Service

N/A

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

Inspections

Violations

9 OOS

Vehicle OOS %

25.0%

Above nat'l avg (23.4%)

Driver OOS %

8.3%

Above nat'l avg (6.7%)

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 24 of 24 inspection records

Inspection Activity Map

3 states • 24 inspections

None Low Medium High🚛 Home base

Violation Summary (34 violations from 24 inspections)

fmcsa-inspection-file

Violation Summary (34 violations from 24 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:392.2	Operating a CMV while ill or fatigued	4	0	8	Unsafe Driving
FMCSR:396.3A1-BOS	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	2	2	—	Vehicle Maintenance
FMCSR:383.23A2-LCDLN	License (CDL) - Operate a CMV and does not possess a valid CDL	2	2	—	Driver Fitness
FMCSR:396.17C-PI	No proof of periodic inspection	2	0	3	Vehicle Maintenance
FMCSR:393.60D	Glazing/window obstructions	2	0	4	Vehicle Maintenance
FMCSR:392.2-SLLSIV	Operating a CMV while ill or fatigued	2	0	8	Unsafe Driving
FMCSR:393.75C-TAOTD-LT2/32	Tire tread depth insufficient (other axles)	1	0	5	Vehicle Maintenance
FMCSR:393.9B-LTSONR	Lighting - Turn signal - Any obscured not on the rearmost vehicle.	1	1	—	Vehicle Maintenance
FMCSR:392.9A2-C	Cargo - Vehicle components or dunnage not secured	1	1	—	Unsafe Driving
FMCSR:393.95A1	Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.	1	0	—	Vehicle Maintenance
FMCSR:393.9A-LBL	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.9A-LSLI	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.48A-BIHE	Inoperative/defective brakes	1	0	8	Vehicle Maintenance
FMCSR:392.2-SLLTCD	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.205C-WR	Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken.	1	0	—	Vehicle Maintenance
FMCSR:392.2-SLLIRP	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.9A-LTSI	Inoperable required lamps	1	1	3	Vehicle Maintenance
FMCSR:392.2-SLLILC	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.11A1-CSURR	Lighting devices/reflectors	1	0	3	Vehicle Maintenance
FMCSR:393.9(a)	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.60(d)	Glazing/window obstructions	1	0	4	Vehicle Maintenance
FMCSR:393.75(a)(3)	Tire-flat and/or audible air leak	1	1	—	Vehicle Maintenance
FMCSR:393.75(a)	Tires/tubes - general defects	1	1	6	Vehicle Maintenance
FMCSR:393.45(d)	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:393.45(b)(2)	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:392.16(a)	Failing to use seat belt (49 CFR)	1	0	3	Unsafe Driving

Peer Context

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

Vehicle OOS Rate

25.0%vs nat'l 23.4%

+1.6 pts above avg

Driver OOS Rate

8.3%vs nat'l 6.7%

+1.6 pts above avg

Violations / Inspection

1.42vs nat'l 1.80

-0.38 below avg

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

Inspection History (24 inspections)

fmcsa-inspectionsApr 5, 2026

Inspection History (24 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Dec 23, 2025	86641463	THOMAS	OK	Level 2	PTRB TRUCK TRACTOR	0	—	No
Dec 4, 2025	86492019	1W THOMAS	OK	Level 1	DODG STRAIGHT TRUCK	1	393.75C-TAOTD-LT2/32	No
Jun 6, 2025	84885500	I-35 AND SH-51	OK	Level 2	WICA SEMI-TRAILER	1	393.9B-LTSONR	Yes
May 20, 2025	84729841	SH66 AND BANNER RD	OK	Level 3	KENW TRUCK TRACTOR	0	—	No
May 20, 2025	84742723	SH74/SH33	OK	Level 3	KENW TRUCK TRACTOR	0	—	No
May 19, 2025	84737478	FORT COLLINS CO	CO	Level 1	FORD STRAIGHT TRUCK	4	392.9A2-C, 393.95A1, 393.9A-LBL	Yes
Jan 15, 2025	83626089	PULL OUT	WY	Level 1	BUCK SEMI-TRAILER	5	393.48A-BIHE, 396.3A1-BOS, 383.23A2-LCDLN	Yes
Jan 15, 2025	83614009	EL RENO SCALES	OK	Level 3	PETE TRUCK TRACTOR	0	—	No
Jan 15, 2025	83626118	Roadside	WY	Level 1	DOOL FULL TRAILER	9	392.2-SLLTCD, 383.23A2-LCDLN, 392.2-SLLSIV	Yes
Dec 2, 2024	83288496	Roadside	OK	Level 3	PETE TRUCK TRACTOR	1	392.2-SLLILC	No
Oct 31, 2024	83050284	US 271 S HUGO	OK	Level 2	MACK TRUCK TRACTOR	2	393.11A1-CSURR, 392.2-SLLSIV	No
Sep 9, 2024	82609474	EL RENO SCALES	OK	Level 2	KENW STRAIGHT TRUCK	0	—	No
Aug 19, 2024	82422679	EL RENO SCALES	OK	Level 2	PETE TRUCK TRACTOR	0	—	No
Aug 16, 2024	82404787	Roadside	OK	Level 3	DOON SEMI-TRAILER	0	—	No
Jul 18, 2024	82197309	LIMON CO	CO	Level 1	DODGE STRAIGHT TRUCK	3	393.9(a), 393.60(d), 393.75(a)(3)	Yes
Jun 17, 2024	81890321	JKT SB AT ST HWY 66	OK	Level 2	PTRB TRUCK TRACTOR	1	393.75(a)	Yes
Sep 7, 2023	79608130	Roadside	OK	Level 2	DOON SEMI-TRAILER	0	—	No
Aug 8, 2023	79353121	Roadside	OK	Level 2	SANDX SEMI-TRAILER	0	—	No
Jul 31, 2023	79292982	NORMAN	OK	Level 3	PETR TRUCK TRACTOR	1	392.2	No
Jul 31, 2023	79292981	NORMAN	OK	Level 3	DOON SEMI-TRAILER	1	392.2	No
Jul 4, 2023	79057582	US81/SH51	OK	Level 2	DOON SEMI-TRAILER	0	—	No
Jun 6, 2023	78819950	SH33/SH74	OK	Level 2	KW TRUCK TRACTOR	2	393.45(d), 393.45(b)(2)	No
May 31, 2023	78772142	SH 99 BYPASS	OK	Level 3	PETR TRUCK TRACTOR	3	392.2, 392.16(a)	No
Apr 12, 2023	78341078	I-35 N/B AND MM112	OK	Level 1	—	0	—	No

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

16 total · 37.5% OOS

2024-062025-12

InspectionsOOS

Most frequent inspection stations

EL RENO SCALES3

NORMAN2

1W THOMAS1

I-35 AND SH-511 · 1 OOS

I-35 N/B AND MM1121

JKT SB AT ST HWY 661 · 1 OOS

SH33/SH741

SH66 AND BANNER RD1

Violations by BASIC category

Vehicle Maintenance21 · 6 OOS

Unsafe Driving11 · 1 OOS

Driver Fitness2 · 2 OOS

Recent Crashes

8 crash records from FMCSA Crash File

Total Crashes

Fatalities

Injuries

Across 2 crashes

Tow-Aways

Crash History (8 records)

fmcsa-crash-fileApr 5, 2026

Crash History (8 records)
Date	State	Severity	Injuries	City	Location	VIN	Carrier Name at Crash
Aug 12, 2021	OK	TOW	0	SEMINOLE	I-40	...271917	S & T OILFIELD SERVICES LLP
May 15, 2019	OK	TOW	0	—	—	—	—
Oct 25, 2018	OK	TOW	0	—	—	—	—
Aug 28, 2018	OK	TOW	0	—	—	—	—
Aug 12, 2011	OK	TOW	0	—	—	—	—
Apr 8, 2011	OK	INJURY	1	—	—	—	—
Apr 4, 2011	OK	TOW	0	—	—	—	—
Jul 23, 2010	OK	INJURY	1	—	—	—	—