TruckCodex

DIAMOND OIL FIELD SERVICES INC

USDOT 1582423 • 4201 S RADIO RD, EL RENO, OK, 73036

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
1,582,423
Status
ACTIVE
Operation
Intrastate (Non-Hazmat)
State
Oklahoma
Phone
4052766060
Email
[email protected]
Power Units (MCS-150)
20
Drivers (MCS-150)
40
MCS-150 Mileage
1,252,000
Physical Address
4201 S RADIO RD, EL RENO, OK, 73036
Mailing Address
PO BOX 850689, YUKON, OK, 73085
Contact
Phone: 4052766060

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority
0
Revoked / Inactive
0
Authority Types
0
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
Drugs / Alcohol
0%
Hours of Service
N/A
Unsafe Driving
37%
Vehicle Maintenance
4%

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

Inspections
20
Violations
31
Vehicle OOS %
0.0%
Driver OOS %
0.0%
Power Units (MCS-150)
20
Drivers (MCS-150)
40
Crash Records
10

Inspection Activity (24 months)

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

May
Jun
Jul
2
Aug
Sep
1
Oct
1
Nov
Dec
1
Jan
Feb
1
Mar
Apr
May
1
Jun
2
Jul
1
Aug
3
Sep
Oct
Nov
2
Dec
1
Jan
1
Feb
Mar
Apr
Clean monthMonth with OOSBased on latest 20 of 20 inspection records

Inspection Activity Map

1 state • 20 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (31 violations from 20 inspections)

fmcsa-inspection-file
Violation Summary (31 violations from 20 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:392.2Operating a CMV while ill or fatigued708Unsafe Driving
FMCSR:392.2-SLLEWA1Operating a CMV while ill or fatigued608Unsafe Driving
FMCSR:393.47ESlack adjuster defective207Vehicle Maintenance
FMCSR:392.16-DFailing to use seat belt (49 CFR)103Unsafe Driving
FMCSR:392.2-SLLS2Speeding 6-10 mph over limit105Unsafe Driving
FMCSR:392.2-SLLSROperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:392.2-SLLEWA3Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:392.2-SLLEWG2Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:392.16ADFailing to use seat belt (49 CFR)103Unsafe Driving
FMCSR:396.5B-LFuel system leak107Vehicle Maintenance
FMCSR:393.9A-LRLIInoperable required lamps103Vehicle Maintenance
FMCSR:393.9A-LTSIRInoperable required lamps103Vehicle Maintenance
FMCSR:393.9A-LSLIInoperable required lamps103Vehicle Maintenance
FMCSR:393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.10—Vehicle Maintenance
FMCSR:392.2-SLLEWA2Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:393.53BSteering system components worn107Vehicle Maintenance
FMCSR:393.95(a)Emergency equipment - fire extinguisher missing/defective105Vehicle Maintenance
FMCSR:393.25(e)Lamps on rear of CMV obscured by load103Vehicle Maintenance
FMCSR:392.16(a)Failing to use seat belt (49 CFR)103Unsafe Driving

Peer Context

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

Vehicle OOS Rate
0.0%vs nat'l 23.4%
-23.4 pts below avg
Driver OOS Rate
0.0%vs nat'l 6.7%
-6.7 pts below avg
Violations / Inspection
1.55vs nat'l 1.80
-0.25 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 (20 inspections)

fmcsa-inspectionsApr 5, 2026
Inspection History (20 inspections)
DateReport #StationStateLevelVehicleViolationsTop CodesOOS
Feb 10, 202687005839US81/2 N K'FISHEROKLevel 3TROX SEMI-TRAILER1392.16-DNo
Jan 1, 202686689706RoadsideOKLevel 3TROX SEMI-TRAILER1392.2-SLLS2No
Dec 24, 202586664384US81/2 N K'FISHEROKLevel 2PTRB TRUCK TRACTOR5392.2-SLLEWA1, 392.2-SLLSR, 392.2-SLLEWA3No
Dec 9, 202586518114SH 39 / CS 2930OKLevel 3TROX SEMI-TRAILER0—No
Sep 23, 202585866975US81 2N KINGFISHEROKLevel 1DRAGO SEMI-TRAILER2392.16AD, 396.5B-LNo
Sep 10, 202585748562RoadsideOKLevel 3PTRB TRUCK TRACTOR0—No
Sep 5, 202585694079RoadsideOKLevel 2DRAGO SEMI-TRAILER3393.9A-LRLI, 393.9A-LTSIR, 393.9A-LSLINo
Aug 20, 202585543099US81/3 N K'FISHEROKLevel 2TROX SEMI-TRAILER0—No
Jul 31, 202585382827US81/3 N K'FISHEROKLevel 2TROX SEMI-TRAILER0—No
Jul 8, 202585153102RoadsideOKLevel 2TROX SEMI-TRAILER0—No
Jun 2, 202584842788US81/3 N K'FISHEROKLevel 2MACK TRUCK TRACTOR1393.95A1No
Mar 20, 202584180644US81/2 N K'FISHEROKLevel 3TROX SEMI-TRAILER3392.2-SLLEWA1, 392.2-SLLEWA2No
Jan 1, 202583515326KINGFISHEROKLevel 3PTRB TRUCK TRACTOR1392.2-SLLEWA1No
Nov 21, 202483215755US81/2 N K'FISHEROKLevel 1TROX SEMI-TRAILER4393.47E, 393.53B, 392.2-SLLEWA1No
Oct 17, 202482939845US81/2 N K'FISHEROKLevel 2TROX SEMI-TRAILER0—No
Aug 31, 202482557290US81/3 N K'FISHEROKLevel 2PTRB TRUCK TRACTOR5392.2No
Aug 9, 202482344984US 81 SH 37OKLevel 2MACK STRAIGHT TRUCK3392.2, 393.95(a), 393.25(e)No
Apr 9, 2024813064972 N DOVER/US 81OKLevel 2PTRB TRUCK TRACTOR0—No
Feb 22, 2024809282233E THOMASOKLevel 3PTRB TRUCK TRACTOR2392.16(a), 392.2No
Aug 24, 202379518120RoadsideOKLevel 2MACK TRUCK TRACTOR0—No

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

17 total · 0.0% OOS
2024-082026-02
InspectionsOOS

Most frequent inspection stations

US81/2 N K'FISHER5
US81/3 N K'FISHER4
KINGFISHER1
SH 39 / CS 29301
US81 2N KINGFISHER1
2 N DOVER/US 811
US 81 SH 371
3E THOMAS1

Violations by BASIC category

Recent Crashes

10 crash records from FMCSA Crash File

Total Crashes
10
Fatalities
1
Fatal crashes on record
Injuries
3
Across 3 crashes
Tow-Aways
10

Crash History (10 records)

fmcsa-crash-fileApr 5, 2026
Crash History (10 records)
DateStateSeverityFatalitiesInjuriesCityLocationVINCarrier Name at Crash
Sep 5, 2024OKTOW00CHICKASHAUS-81...111317DIAMOND OIL FIELD SERVICES INC
Jan 21, 2021OKTOW00OKLAHOMA CITYI-40 EB...027476DIAMOND OIL FIELD SERVICES INC
Feb 27, 2019OKFATAL10————
Oct 18, 2018OKINJURY01————
Oct 14, 2018OKINJURY01————
Mar 29, 2018OKTOW00————
Dec 8, 2017OKTOW00————
Aug 23, 2017OKTOW00————
Jun 26, 2013OKINJURY01————
Aug 25, 2011OKTOW00————

Compliance Timeline

10 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records

Sep 5, 2024
Crash
Tow-away crash in OK
0 fatalities, 0 injuries
Jan 21, 2021
Crash
Tow-away crash in OK
0 fatalities, 0 injuries
Feb 27, 2019
Crash
Fatal crash
1 fatality, 0 injuries
Oct 18, 2018
Crash
Injury crash
0 fatalities, 1 injury
Oct 14, 2018
Crash
Injury crash
0 fatalities, 1 injury
Mar 29, 2018
Crash
Tow-away crash
0 fatalities, 0 injuries
Dec 8, 2017
Crash
Tow-away crash
0 fatalities, 0 injuries
Aug 23, 2017
Crash
Tow-away crash
0 fatalities, 0 injuries
Jun 26, 2013
Crash
Injury crash
0 fatalities, 1 injury
Aug 25, 2011
Crash
Tow-away crash
0 fatalities, 0 injuries

Related Records

Related records

StateAll entities in Oklahoma
Browse carriers, brokers, and FFs in OK
CityEntities in EL RENO, OK
Browse by city
Crashes10 crash records
FMCSA Crash File
Inspections20 inspection records
Full inspection history
StationUS81/2 N K'FISHER
5 inspections at this station
StationUS81/3 N K'FISHER
4 inspections at this station
StationSH 39 / CS 2930
1 inspection at this station
CertificatesAuthority Certificate Lookup
Search MC, FF, MX certificates
RecallsRecalls & safety data
Check NHTSA recall campaigns
SearchSearch for another entity
Look up by USDOT, name, MC#, or VIN

Data sources & freshness

FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026