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United Refractories INC (USDOT 1086548)

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DOT number
USDOT 1086548
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 2026-08-27. 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
6 power units, 4 drivers
Operation type
Intrastate Non-Hazmat
Physical address
2125 HIGHWAY 37 EAST, HIBBING, MN 55746
MCS-150 last filed
2024-11

Frequently asked questions

What carrier is DOT 1086548?

DOT 1086548 (USDOT 1086548) is United Refractories INC, an intrastate non-hazmat motor carrier.

What is United Refractories INC's USDOT number?

United Refractories INC's USDOT number is 1086548. No MC docket number is on file.

Is United Refractories 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 2026-08-27. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does United Refractories INC have insurance on file with FMCSA?

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

What is United Refractories INC's safety record?

FMCSA records show no vehicle inspections for United Refractories INC in the last 24 months, so there is no out-of-service rate. FMCSA records also show 0 recordable crashes in the same window.

What is United Refractories INC's CSA score?

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

What is United Refractories INC's FMCSA safety rating?

United Refractories 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.

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Carriers based in Hibbing, MN

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