Diamond Oil Company
Needs attention
1 item to check
Based in
Des Moines, IA
Power units
43
Drivers
32
Operation
Interstate · hazmat
Compliance check
From the FMCSA census and inspection files, checked Oct 15, 2026.
USDOT number status
OKActive in the FMCSA census.
MCS-150 biennial update
OKNext due Jan 31, 2027. Last filed Feb 28, 2024.
Operating authority (MC-383794)
OKAuthority shows active.
Safety rating
OKSatisfactory since May 30, 2019.
Out-of-service rate (24 months)
CheckVehicle 50% vs 22.26% national, driver 0% vs 6.67% national, across 6 inspections.
UCR registration 2027
InfoInterstate carriers must register with UCR every year. 2027 registration is open now. Estimated fee for 43 power units: $1,163 (bracket 4).
Roadside inspections, last 24 months
| Type | Inspections | Out of service | OOS rate | National avg |
|---|---|---|---|---|
| Vehicle | 4 | 2 | 50% | 22.26% |
| Driver | 6 | 0 | 0% | 6.67% |
6 inspections and 14 violations since Oct 15, 2024. Last inspection Jul 18, 2025. National averages are FMCSA-published approximations.
Registration details
- Legal name
- Diamond Oil Company
- DBA
- -
- Classification
- private property, authorized for hire
- CDL drivers
- 32
- MCS-150 last filed
- Feb 28, 2024
- Reported mileage
- 1,200,000 (2023)
- Added to FMCSA
- Mar 23, 1994
- Safety rating
- Satisfactory
Source: FMCSA Motor Carrier Census and Vehicle Inspection File (data.transportation.gov), public records. Contact details are intentionally not shown. MyDotCheck is an independent service and is not affiliated with, endorsed by, or part of the U.S. Department of Transportation or FMCSA. Data comes from public FMCSA datasets and may lag official records by a day or more. Government filings can be made directly with FMCSA at no charge.