Diamond Oil Company — 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
26 years (granted 2000)
Liability filing
$4M BIPD — meets the $750K federal minimum
Inspections
19 on file
Out-of-service
Within normal range vs national averages
Email identity
Company domain, matches website
Federal identity
Registration snapshot
Legal name
Diamond Oil Company
DBA
—
Entity type
Carrier
Physical address
702 Se Raccoon St, Des Moines, IA 50309
Phone
(515) 244-4271
Power units
43
Drivers
32
First on record
—
Last MCS-150 filing
—
Hazmat flag
No
Operating authority
Dockets & filings
MC383794
Common: None · Contract: Active · Broker: None
Property: ✓ · Passenger: — · HHG: — · BIPD filed: ✓ · Cargo: ✓ · Bond: —
Authority history
- Granted — Motor Property Contract Carrier
- Reinstated — Motor Property Contract Carrier
Revocation records
- type license: CONTRACT · order1 serve date: 08/16/2002 · order2 type desc: INVOLUNTARY REVOCATION · order2 effective date: 07/23/2002
Insurance filings
Out-of-service rates
Driver OOS
5.3%
National average ≈ 5.9% · 19 inspections on record
Vehicle OOS
15.8%
National average ≈ 20.9% · 19 inspections on record
Email & web forensics
On-file email
jnieto@diamondoilco.com — company domain
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: IA 05/2023 · IA 12/2022 · IA 03/2019 — from the federal crash file; recordable crashes regardless of fault.
Safety record
Inspection history
| Date | State | Level |
|---|---|---|
| Jul 18, 2025 | IA | Level III — Driver-only |
| Jan 16, 2025 | SD | Level II — Walk-around |
| Dec 23, 2024 | IA | Level II — Walk-around |
| Dec 17, 2024 | IA | Level II — Walk-around |
| Dec 4, 2024 | NE | Level III — Driver-only |
| Nov 20, 2024 | IA | Level II — Walk-around |
| Aug 15, 2024 | NE | Level I — Full |
| Jun 27, 2024 | SD | Level II — Walk-around |
| Jun 18, 2024 | NE | Level I — Full |
| Jun 4, 2024 | IA | Level II — Walk-around |
| May 31, 2024 | IA | Level II — Walk-around |
| Apr 25, 2024 | IA | Level II — Walk-around |
| Apr 24, 2024 | IA | Level II — Walk-around |
| Mar 13, 2024 | NE | Level III — Driver-only |
| Jan 3, 2024 | IA | Level II — Walk-around |
| Nov 3, 2023 | IA | Level II — Walk-around |
| Sep 15, 2023 | NE | Level I — Full |
| Aug 23, 2023 | IA | Level II — Walk-around |
| Jul 18, 2023 | IA | Level II — Walk-around |
Most recent 19 of 19 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 "Diamond Oil Company" — 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.
Search court records ↗
Quick sweep for litigation and judgments.