Fleet typeIdentity
Owner-operator
2 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 435277 · MC-391581 · Updated Jun 13, 2026
ZIEMAN MANUFACTURING CO
2 power unitsRIALTO, CA40/100
CARRIER INACTIVEMC-391581 INACTIVE
Observed fleet · trailing 24 mo daily
2Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision · FMCSA snapshot · Jun 13, 2026
High risk
Multiple serious issues on the federal record. Verify directly before any tender.
Insurance on fileEstablished 36 yearsUSDOT registration inactive
Watch · 4
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No active operating authorityNo active common, contract, or broker authority is on file for a for-hire carrier.No inspection history despite active fleetAn established carrier reporting 2 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 4.2 years old; fleet/mileage figures may be unreliable.
USDOT registration3535 yr registered
No active authorityInsurance (BIPD)$750K in force
FMCSA L&IVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal00
No activity in windowVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
35 yr unchanged
Same registration since 1991 — no chameleon / reincarnation signal.
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Verification summary
ZIEMAN MANUFACTURING CO (USDOT 435277) has a Vektor safety score of 40/100 and a High risk verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.
The carrier has no active for-hire operating authority per FMCSA L&I as of Jun 13, 2026.
It has an active BIPD insurance filing with a $750,000 limit in force from EMPLOYERS INSURANCE OF WAUSAU, A MUTUAL CO. effective Aug 1, 2009 in FMCSA L&I's current snapshot as of Jun 13, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.
It reports 2 power units and 1 driver in its most recent MCS-150 filing dated May 10, 2022.
It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.
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Frequently asked
What is ZIEMAN MANUFACTURING CO's USDOT number?
ZIEMAN MANUFACTURING CO's USDOT number is 435277, and its motor carrier number is MC-391581.
Is ZIEMAN MANUFACTURING CO authorized to operate?
As of 2026-06-13, ZIEMAN MANUFACTURING CO is inactive in the FMCSA register with common, contract, broker operating authority on file.
How big is ZIEMAN MANUFACTURING CO's fleet?
ZIEMAN MANUFACTURING CO operates 2 power units and 1 driver per its most recent MCS-150 filing.
Where is ZIEMAN MANUFACTURING CO based?
ZIEMAN MANUFACTURING CO is based in RIALTO, CA.
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