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Ultimate Insulation Lax (USDOT 4133921)

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Verdict
No blockers or cautions found
DOT number
USDOT 4133921
Docket (MC) number
MC1583543
Operating authority
Common carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 25, 2026. We could not confirm that live just now.
Authority granted
Nov 28, 2023
Insurance on file
Liability (BIPD) insurance on file for $750,000.
Safety rating
No published safety rating
Fleet on file
3 power units, 12 drivers
Operation type
Intrastate Non-Hazmat
Physical address
N410 TEN MILE CIR, COON VALLEY, WI 54623
MCS-150 last filed
Sep 2023

Other carriers based in Coon Valley, WI

Companies whose FMCSA physical address is in Coon Valley, WI. Listed because of where they are based, nothing else.

Frequently asked questions

What carrier is DOT 4133921?

DOT 4133921 (USDOT 4133921) is Ultimate Insulation Lax, an intrastate non-hazmat motor carrier.

What carrier is MC 1583543?

MC 1583543 is the docket number of Ultimate Insulation Lax, USDOT 4133921.

What is Ultimate Insulation Lax's MC number?

Ultimate Insulation Lax's docket number is MC 1583543. Its USDOT number is 4133921.

Is Ultimate Insulation Lax currently authorized to operate?

Common carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 25, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Ultimate Insulation Lax have insurance on file with FMCSA?

Liability (BIPD) insurance on file for $750,000.

What is Ultimate Insulation Lax's safety record?

In the last 24 months, FMCSA records show 0 of 1 vehicle inspection ending out-of-service for Ultimate Insulation Lax, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Ultimate Insulation Lax's CSA score?

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

What is Ultimate Insulation Lax's FMCSA safety rating?

Ultimate Insulation Lax 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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View the full fleetfax report for Ultimate Insulation Lax

Carriers based in Coon Valley, WI

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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 25, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status

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