Fleet typeIdentity
Owner-operator
2 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 435277 · MC-391581
ZIEMAN MANUFACTURING CO
2 power unitsRIALTO, CA
CARRIER ACTIVEMC-391581 ACTIVE
Observed fleet · trailing 24 mo daily
2Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Awaiting decode
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
High risk
Multiple serious issues on the federal record. Verify directly before any tender.
Insurance on fileEstablished 35 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.
Operating authority3535 yr active
since 1991Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo—%
▼ 22.26% nat'lCrashes · fatal00
clean 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Awaiting VIN decode
Identity stabilityStable
35 yr unchanged
Same registration since 1991 — no chameleon / reincarnation signal.
AI readFull read
Is ZIEMAN MANUFACTURING CO safe to work with?
Is ZIEMAN MANUFACTURING CO safe to load? ZIEMAN MANUFACTURING CO (USDOT 435277, MC-391581) is an inactive owner-operator motor carrier based in RIALTO, CA, operating 2 power units and 1 driver. Operating authority has been active 35 years (past the 24-month broker-confidence threshold). FMCSA has not assigned a safety rating. Vektor rates it high risk (40/100), with the leading concern: usdot registration inactive. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
ZMZIEMAN MANUFACTURING CO 40
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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.