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Diamond S Steel INC (USDOT 4429543)

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DOT number
USDOT 4429543
Operating authority
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now.
Insurance on file
No active liability (BIPD) insurance on file with FMCSA.
Safety rating
No published safety rating
Fleet on file
1 power units, 2 drivers
Operation type
Intrastate Non-Hazmat
Physical address
19321 E VIA DE PALMAS, QUEEN CREEK, AZ 85142-9732
MCS-150 last filed
2025-06

Frequently asked questions

What carrier is DOT 4429543?

DOT 4429543 (USDOT 4429543) is Diamond S Steel INC, an intrastate non-hazmat motor carrier.

What is Diamond S Steel INC's USDOT number?

Diamond S Steel INC's USDOT number is 4429543. No MC docket number is on file.

Is Diamond S Steel INC currently authorized to operate?

Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Diamond S Steel INC have insurance on file with FMCSA?

No active liability (BIPD) insurance on file with FMCSA.

What is Diamond S Steel INC's safety record?

In the last 24 months, FMCSA records show 2 of 2 vehicle inspections ending out-of-service for Diamond S Steel INC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Diamond S Steel INC's CSA score?

FMCSA does not publish a single CSA score for carriers. Diamond S Steel INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.

What is Diamond S Steel INC's FMCSA safety rating?

Diamond S Steel INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.

Changes over time

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Carriers based in Queen Creek, AZ

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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status