Diamond Oil Company

USDOT 554371 · MC383794 · Des Moines, IA
USDOT ActiveContract authority (as of 5/2026)HazmatSafety: Satisfactory
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Company snapshot
Legal name
Diamond Oil Company
USDOT number
554371
MC docket
MC383794
Physical address
702 Se Raccoon St, Des Moines, IA, 50309
Power units
43
Drivers
32
Operation
Interstate
Operating radius
Interstate <100 mi
Cargo
Liquids/Gases, Chemicals, Paper Products, Farm Supplies, Other
Operation class
Authorized For-Hire, Private Property
Last MCS-150 filing
Feb 28, 2024
Operating authority (as of 5/2026)
Common authority
Not held
Contract authority (as of 5/2026)
Active
Broker authority
Not held
Authority granted
Mar 23, 1994
MCSIP step
0
Insurance on file
Insurer (writing paper)
Emcasco Insurance Company
Filing form
BMC-91X
Coverage amount
$750,000
BI/PD on file
$4,750,000
Estimated renewal window
Q4 2026

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Safety record
FMCSA safety rating
Satisfactory
Roadside inspections (24 mo)
6
Out-of-service inspections
2
Inspections with violations
4
BASICs with acute/critical violations
0
SMS population
Interstate
Common questions

Is Diamond Oil Company insured?

Yes. Diamond Oil Company (USDOT 554371) has active BI/PD liability insurance on file with FMCSA, currently written by Emcasco Insurance Company, with $750,000 in coverage on the filing.

What insurance company does Diamond Oil Company use?

Diamond Oil Company's current BI/PD filing is written by Emcasco Insurance Company. Insurer changes show up in the daily-refreshed federal filing record.

What is Diamond Oil Company's MC number?

Diamond Oil Company's FMCSA docket is MC383794, paired with USDOT 554371.

Is Diamond Oil Company safe to work with?

Diamond Oil Company's FMCSA safety rating is Satisfactory, with 6 roadside inspections in the last 24 months, 0 of the five public BASICs carrying an acute or critical violation from an FMCSA investigation. The full inspection-level record is on this page.

When does Diamond Oil Company's insurance renew?

Based on its filing history, Diamond Oil Company's BI/PD policy is estimated to renew in Q4 2026. The exact estimated X-date, with alerts when it changes, is in Market Tracker. Unlock USDOT 554371’s exact X-date →

How many trucks does Diamond Oil Company operate?

Diamond Oil Company reports 43 power units and 32 drivers in its latest MCS-150 census filing.

Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Sep 15, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.

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