Safety Measurement System - Inspection OKAG10000187 (U.S. DOT# 1813088)

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United States Department of Transportation

Working Together for Safety.

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Use of SMS Data/Information

FAST Act of 2015:

Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier has received an UNSATISFACTORY safety rating under part 385 of title 49, Code of Federal Regulations, or has otherwise been ordered to discontinue operations by the Federal Motor Carrier Safety Administration, it is authorized to operate on the Nation's roadways.

Safety Measurement System:

The data in the Safety Measurement System (SMS) is performance data used by the Agency and Enforcement Community. A symbol, based on that data, indicates that FMCSA may prioritize a motor carrier for further monitoring.

The symbol is not intended to imply any federal safety rating of the carrier pursuant to 49 USC 31144. Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier in the SMS has received an UNSATISFACTORY safety rating pursuant to 49 CFR Part 385, or has otherwise been ordered to discontinue operations by the FMCSA, it is authorized to operate on the nation's roadways.

Motor carrier safety ratings are available at http://safer.fmcsa.dot.gov and motor carrier licensing and insurance status are available at http://li-public.fmcsa.dot.gov/.

Detailed Inspection Report as of 3/27/2026

Carrier Information

Carrier Name: Guardian Oilfield Services Inc
U.S. DOT#: 1813088
Carrier Address: 1401 Lera Suite Three
Weatherford, OK 73096

Time/Location

Report #: OKAG10000187
Report State: OK
State: OK
Date: 12/30/2025
Start Time: 0746
End Time: 0807
Level: II. Walk-Around
Facility: Roadside
Post Crash Inspection: No
Hazmat Placard Required: No

Vehicle Information

Unit	Type	Make	Plate State	Plate Number	VIN
1	Truck Tractor	KW	OK	3MW405	1XKWDB9X51J862057
2	Semi-Trailer	HEIL	OK	DL8513	5HTDL4527C7H45042

Carrier Violations

Vio Code	Section	Unit	OOS	Description	Included in SMS	BASIC
393.11A1-LTNRV	393.11(a)(1)	1	No	Lighting - Turn Signal - Any Missing Not On The Rearmost Vehicle.	Yes	Vehicle Maint.
393.9A-LHWS	393.9(a)	1	No	Lighting - Hazard Warning Signal(S) Inoperative	Yes	Vehicle Maint.
393.9A-LSLI	393.9(a)	1	No	Lighting - Stop Lamps - Any Inoperative.	Yes	Vehicle Maint.