CO
CHAMBERLAIN OIL CO INC
CarrierIntel Score: 69/100. 25 inspection violations in the past 12 months. Updated Oct 2026.
DOT 130174MC 199803ActiveMotor CarrierInterstateFEDERATED MUTUAL INSURANCE CO. · $1,000,000 · 1 policyCLONTARF, MN
COMPANY
Authority since
1987-06-16
MCS-150
2025-05-06 · 893,000 mi (2024)
Fleet
19 units · 35 trailers · 15 drivers
Annual mileage (VMT)
897,237 mi (2025)
ADDRESS
Physical
112 GRACE AVE E
CLONTARF, MN 56226
CLONTARF, MN 56226
Mailing
PO BOX 278
CLONTARF, MN 56226
CLONTARF, MN 56226
CONTACT
Phone
3208433434
Email
arentz@chamberlainoil.com
OFFICERS
Primary Officer
JOHN CHAMBERLAIN
Title
VICE PRESIDENT
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
2
General FreightLiquids / Gases
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
472 mo
Active authority
INSURANCE
1 active
FEDERATED MUTUAL INSURANCE CO.
RISK GRADE
Minimal Risk
1 risk factors · 4 strengths
OOS RATE
10.8%
4 / 37 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
69
out of 100
Fair
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
1 risk factor · 4 strengths · 5 data pointsSAFETY PERFORMANCE
Crash Record
8 crashes · 0 fatal · 3 with injuries · 8 tow-away
Clean Inspection Rate
89% — 33 clean of 37 inspections
Out-of-Service Rate
10.8% — driver OOS 0 insp., vehicle OOS 4 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
5 historical event(s) on file
MCS-150 Filing
Last filed 2025-05-06
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $1,000,000
SUMMARY
1.8 violations per inspection
No crashes in the last 24 months
89% clean inspections
Active insurance on file
Coverage $1.0M
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