DO
DIAMOND OIL FIELD SERVICES INC
DOT 1582423MC 667437ActiveIntrastate Non-HazmatEL RENO, OK
COMPANY
Authority since
—
MCS-150
2026-02-11 · 1,252,000 mi (2025)
Fleet
20 units · 43 trailers · 40 drivers
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
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.
AUTHORITY
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Moderate Risk
1 risk factors · 3 strengths
OOS RATE
4.5%
1 / 22 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Moderate Risk
26/100 risk points1 risk factor · 3 strengths · 6 data pointsmedium confidenceWeighted heuristic: crashes are decayed by recency and normalized per 100 power units, out-of-service and violation rates use a rolling 24-month window, plus FMCSA BASIC alerts and the CarrierIntel Safety Score (which also decays when compliance has not been verified by a recent inspection). Not the official FMCSA SMS score.
SAFETY PERFORMANCE
Crash Record
11 crashes · 1 fatal · 3 with injuries · 11 tow-away
Clean Inspection Rate
95% — 21 clean of 22 inspections
Out-of-Service Rate
4.5% — driver OOS 1, vehicle OOS 0
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2026-02-11
INSURANCE
Active Coverage
No active insurance policies on file
SUMMARY
No active insurance on file
Low OOS rate 6% (last 24 mo)
No crashes in the last 24 months
95% clean inspections
1 fatal crash on record, none in the last 24 months
FMCSA crash records do not state who was at fault
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