Chamberlain Oil Co Inc — compliance record
The full vetting file: federal registrations, authority history, insurance, inspections, record changes, and recent coverage — the checks a broker or shipper runs, in one place.
Vetting summary
Authority age
39 years (granted 1987)
Liability filing
$1M BIPD — meets the $750K federal minimum
Inspections
34 on file
Out-of-service
Within normal range vs national averages
Email identity
Company domain, matches website
Federal identity
Registration snapshot
Legal name
Chamberlain Oil Co Inc
DBA
—
Entity type
Carrier
Physical address
112 Grace Ave E, Clontarf, MN 56226
Phone
(320) 843-3434
Power units
19
Drivers
15
First on record
—
Last MCS-150 filing
—
Hazmat flag
No
Operating authority
Dockets & filings
MC199803
Common: None · Contract: Active · Broker: None
Property: ✓ · Passenger: — · HHG: — · BIPD filed: ✓ · Cargo: — · Bond: —
Authority history
- Involuntary Revocation — Contract
- Granted — Motor Property Contract Carrier
- Involuntary Revocation — Contract
Insurance filings
Out-of-service rates
Driver OOS
0.0%
National average ≈ 5.9% · 34 inspections on record
Vehicle OOS
8.8%
National average ≈ 20.9% · 34 inspections on record
Email & web forensics
On-file email
arentz@chamberlainoil.com — company domain
Domain age
chamberlainoil.com registered 1999-09-16 (27 years)
Mail host
Microsoft 365
Domain match
Email domain matches the company website
From the FMCSA on-file contact, public domain registration (RDAP), and live DNS.
Crash record — last 24 months
0
Reportable crashes
0
Tow-aways
0
With injuries
0
With fatalities
Most recent: SD 03/2024 · MN 08/2022 · MN 10/2021 — from the federal crash file; recordable crashes regardless of fault.
Safety record
Inspection history
| Date | State | Level |
|---|---|---|
| Jul 20, 2026 | SD | Level III — Driver-only |
| Jun 18, 2026 | IA | Level I — Full |
| Jun 16, 2026 | MN | Level I — Full |
| May 26, 2026 | MN | Level III — Driver-only |
| May 19, 2026 | MT | Level III — Driver-only |
| Apr 22, 2026 | SD | Level II — Walk-around |
| Apr 2, 2026 | MN | Level III — Driver-only |
| Mar 12, 2026 | MN | Level III — Driver-only |
| Dec 4, 2025 | WI | Level I — Full |
| Nov 25, 2025 | MN | Level III — Driver-only |
| Oct 27, 2025 | MN | Level I — Full |
| Oct 22, 2025 | MN | Level III — Driver-only |
| Sep 8, 2025 | MN | Level I — Full |
| Jun 17, 2025 | SD | Level II — Walk-around |
| Jun 12, 2025 | MT | Level III — Driver-only |
| Jun 5, 2025 | MN | Level I — Full |
| May 29, 2025 | SD | Level II — Walk-around |
| May 7, 2025 | SD | Level III — Driver-only |
| Oct 3, 2024 | WI | Level II — Walk-around |
| Sep 18, 2024 | SD | Level I — Full |
| Jul 22, 2024 | SD | Level II — Walk-around |
| Jun 11, 2024 | MN | Level I — Full |
| Jun 6, 2024 | WI | Level I — Full |
| May 20, 2024 | MN | Level III — Driver-only |
| Apr 26, 2024 | MT | Level III — Driver-only |
| Apr 25, 2024 | WI | Level III — Driver-only |
| Apr 16, 2024 | SD | Level III — Driver-only |
| Apr 8, 2024 | MT | Level III — Driver-only |
| Mar 27, 2024 | SD | Level III — Driver-only |
| Feb 13, 2024 | SD | Level III — Driver-only |
| Dec 5, 2023 | MN | Level III — Driver-only |
| Oct 10, 2023 | MN | Level II — Walk-around |
| Sep 20, 2023 | MN | Level III — Driver-only |
| Sep 19, 2023 | SD | Level II — Walk-around |
Most recent 34 of 34 inspections on file.
Activity log
Record changes
TenFourHQ re-syncs the federal record daily and logs every field that changes — address moves, fleet-size jumps, authority flips. Sudden changes are a classic fraud tell.
No changes recorded since TenFourHQ began tracking this company.
In the news
Recent coverage
No recent news coverage found for "Chamberlain Oil Co Inc" — for most small carriers, no news is good news.
Via Google News — headlines may include similarly-named companies; verify before acting.
Vetting toolkit
Verify it yourself
FMCSA SAFER snapshot ↗
The official company snapshot, straight from FMCSA.
FMCSA SMS safety profile ↗
Safety Measurement System — BASIC scores and crash history.
L&I authority record ↗
Licensing & Insurance: authority, insurance, and BOC-3 on file.
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