DO
DIAMOND OIL FIELD SERVICES INC
Carrierintel Safety Score: 72/100. 10 inspection violations in 12 months. Last inspected Sep 2026.
DOT 1582423MC 667437No active authorityActiveIntrastate Non-HazmatIMPERIUM INSURANCE COMPANY · $1,000,000 · 1 policyEL RENO, OK
COMPANY
Authority since
—
MCS-150
2026-02-11 · 1,252,000 mi (2025)
Fleet
20 units · 43 trailers · 40 drivers
Annual mileage (VMT)
1,252,000 mi (2025)
ADDRESS
Physical
4201 S RADIO RD
EL RENO, OK 73036
EL RENO, OK 73036
Mailing
PO BOX 850689
YUKON, OK 73085
YUKON, OK 73085
CONTACT
Phone
4052766060
Email
diamond.becky@gmail.com
OFFICERS
Primary Officer
JD O'GRADY
Title
VICE PRESIDENT
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
Heavy Haul / Oilfield
Cargo types
6
General FreightMetal: Sheets, Coils, RollsMachinery, Large ObjectsOilfield EquipmentWater WellOther: SALT WATER
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
238 mo
Since USDOT registration
INSURANCE
1 active
IMPERIUM INSURANCE COMPANY
RISK GRADE
Minimal Risk
0 risk factors · 5 strengths
OOS RATE
4.3%
1 / 23 inspections
Carrierintel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
72
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspectionsDeclared (MCS-150)
20 power units
Unique power units seen
5
+ 3 trailer VINs
Inspections
7
Discrepancy
0.3x
Minimal Risk
0 risk factors · 5 strengths · 6 data pointsSAFETY PERFORMANCE
Crash Record
10 crashes · 1 fatal · 3 with injuries · 10 tow-away
Clean Inspection Rate
96% — 22 clean of 23 inspections
Out-of-Service Rate
4.3% — driver OOS 1 insp., vehicle OOS 0 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
No active authority · MC667437
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2026-02-11
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $1,000,000
SUMMARY
Low OOS rate 6% (last 24 mo)
No crashes in the last 24 months
96% clean inspections
Active insurance on file
Coverage $1.0M
INDUSTRY REPORTS
- ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
- Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
- Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
- English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
- Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.
2024-09-0507:30CHICKASHA, OK2vehicles
US-81· County 051
Clear · Daylight · Dry
Two-way, not divided
Sequence: 1:11:NONCOLLISION:UNKNOWN
Reported by OKLAHOMA HIGHWAY PATROL TROOP G
Tow-away
2021-01-2110:37OKLAHOMA CITY, OK2vehicles
I-40 EB· County 109
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by OKLAHOMA HIGHWAY PATROL
Tow-away
2019-02-2702:56GEARY, OK1vehicle
COUNTY ROAD E 940· County 000
Sequence: 4:3:NONCOLLISION:OVERTURN (ROLLOVER);3:18:COLLISION INVOLVING FIXED OBJECT;2:2:NONCOLLISION:JACKKNIFE;1:1:NONCOLLISION:RAN OFF ROAD
Reported by OKLAHOMA HIGHWAY PATROL
1 fatal
Tow-away
2018-10-1818:55GEARY, OK1vehicle
COUNTY ROAD N2500· County 011
Sequence: 2:3:NONCOLLISION:OVERTURN (ROLLOVER);1:1:NONCOLLISION:RAN OFF ROAD
Reported by OKLAHOMA HIGHWAY PATROL
1 injured
Tow-away
2018-10-1404:00GEARY, OK1vehicle
PRIVATE PROPERTY· County 011
Sequence: 2:3:NONCOLLISION:OVERTURN (ROLLOVER);1:1:NONCOLLISION:RAN OFF ROAD
Reported by OKLAHOMA HIGHWAY PATROL
1 injured
Tow-away
2018-03-2906:15CHICKASHA, OK2vehicles
SH 19· County 051
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by CHICKASHA POLICE DEPT
Tow-away
2017-12-0819:30WATONGA, OK1vehicle
CR E790· County 011
Sequence: 1:18:COLLISION INVOLVING FIXED OBJECT;2:3:NONCOLLISION:OVERTURN (ROLLOVER)
Reported by OKLAHOMA HIGHWAY PATROL
Tow-away
2017-08-2312:45GEARY, OK1vehicle
CR N2570· County 011
Sequence: 2:3:NONCOLLISION:OVERTURN (ROLLOVER);1:1:NONCOLLISION:RAN OFF ROAD
Reported by OKLAHOMA HIGHWAY PATROL
Tow-away
2013-06-2619:59GUTHRIE, OK1vehicle
INTERSTATE 35 SOUTH BOUND· County 083
Sequence: 3:18:COLLISION INVOLVING FIXED OBJECT;2:18:COLLISION INVOLVING FIXED OBJECT;4:18:COLLISION INVOLVING FIXED OBJECT;1:1:NONCOLLISION:RAN OFF ROAD
Reported by OKLAHOMA HIGHWAY PATROL
1 injured
Tow-away
2011-08-2508:30EL RENO, OK2vehicles
HWY 66 & ALFADALE· County 017
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by CITY POLICE
Tow-away
Current policies
(1)IMPERIUM INSURANCE COMPANY
91X · 1 · #OGS-IIC-CA-0000336
Coverage: $0 – $1,000,000
Effective 2024-01-01 → —
Active
Insurance history
Snapshot 2026-09-25
Estimated measures · FMCSA SMS v3.21 method · data through 2026-10-18 · calculated 2026-10-21
Unsafe Driving
intrastate
Measure
1.58
↓ avg 2.31
Percentile
—
18 insp · 3 viol
Hours-of-Service Compliance
intrastate
Measure
0.00
est.
↓ avg 0.58
Snapshot 2026-09-25: 0
Percentile
—
18 insp · 0 viol
Driver Fitness
intrastate
Measure
1.11
est.
↑ avg 0.85
Snapshot 2026-09-25: 1.07
Percentile
—
18 insp · 1 viol
Controlled Substances/Alcohol
intrastate
Measure
0.00
est.
↓ avg 0.04
Snapshot 2026-09-25: 0
Percentile
—
18 insp · 0 viol
Vehicle Maintenance
intrastate
Measure
2.86
est.
↓ avg 6.29
Snapshot 2026-09-25: 2.68
Percentile
—
18 insp · 5 viol
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