Carrierintel
SO

SON OILFIELD SERVICES LLC

Carrierintel Safety Score: 42/100. 28 inspection violations in 12 months. Last inspected Jun 2026.

DOT 3667900MC 1584327ActiveMotor CarrierInterstateNATIONAL AMERICAN INSURANCE COMPANYWATFORD CITY, ND

COMPANY

Authority since
2025-04-15
MCS-150
2025-10-06 · 12,000 mi (2024)
Fleet
8 units · — trailers · 6 drivers
Annual mileage (VMT)
12,000 mi (2024)

ADDRESS

Physical
2591 BEAVER CREEK RD
WATFORD CITY, ND 58854
Mailing
Same as physical

CONTACT

Phone
3377801506
Email
manh@sonoilfield.com

OFFICERS

Primary Officer
MANH DAO SON
Title
OWNER

OPERATION & CARGO

Operation classification
Private Property · Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
8
Metal: Sheets, Coils, RollsLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsLiquids / GasesOilfield EquipmentConstructionOther: OTHER
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
36 mo
Active authority
INSURANCE
1 active
NATIONAL AMERICAN INSURANCE COMPANY
RISK GRADE
Elevated Risk
3 risk factors · 3 strengths
OOS RATE
65.2%
15 / 23 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

42
out of 100
Below Average
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
8 power units
Unique power units seen
7
+ 3 trailer VINs
Inspections
7
Discrepancy
0.9x

Elevated Risk

3 risk factors · 3 strengths · 6 data points

SAFETY PERFORMANCE

Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
35% — 8 clean of 23 inspections
Out-of-Service Rate
65.2% — driver OOS 8 insp., vehicle OOS 10 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
3 historical event(s) on file
MCS-150 Filing
Last filed 2025-10-06

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $1,000,000

SUMMARY

Severe OOS rate 67% (last 24 mo)
4.5 violations per inspection
Low clean-inspection rate (35%)
No crashes in the last 24 months
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.

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