Pulling FMCSA records…

Unimark Lowboy Transportation LLC (USDOT 1604546)

2 cautions found.

Docket (MC) number
MC593409
Operating authority
Common carrier authority: active; Contract carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now.
Authority granted
2007-03-08
Insurance on file
Liability (BIPD) insurance on file for $1,000,000.
Safety rating
No published safety rating
Fleet on file
154 power units, 163 drivers
Operation type
Interstate
Physical address
10801 CORPORATE DRIVE, PLEASANT PRAIRIE, WI 53158
MCS-150 last filed
2026-06

Findings

  • Multiple carriers at this address (Caution): 4 other active carriers are registered at this physical address. Shared addresses are common for freight offices and registered agents.
  • Fatal crash on record (last 24 months) (Caution): 2 fatal crashes on FMCSA record in last 24 months

Connected companies

Other companies linked to this one in FMCSA registration and roadside-inspection records:

Frequently asked questions

What carrier is USDOT 1604546?

USDOT 1604546 is Unimark Lowboy Transportation LLC, an interstate motor carrier.

What carrier is MC 593409?

MC 593409 is the docket number of Unimark Lowboy Transportation LLC, USDOT 1604546.

What is Unimark Lowboy Transportation LLC's MC number?

Unimark Lowboy Transportation LLC's docket number is MC 593409. Its USDOT number is 1604546.

Is Unimark Lowboy Transportation LLC currently authorized to operate?

Common carrier authority: active; Contract carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Unimark Lowboy Transportation LLC have insurance on file with FMCSA?

Liability (BIPD) insurance on file for $1,000,000.

Who provides Unimark Lowboy Transportation LLC's insurance?

Unimark Lowboy Transportation LLC's liability insurance is filed with FMCSA by Lm Insurance Corporation.

What is Unimark Lowboy Transportation LLC's safety record?

In the last 24 months, FMCSA records show a 17.0% vehicle out-of-service rate for Unimark Lowboy Transportation LLC, from 8 of 47 vehicle inspections, against a national average of 22.9%. FMCSA records also show 15 reportable crashes in the same window.

What is Unimark Lowboy Transportation LLC's CSA score?

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

What is Unimark Lowboy Transportation LLC's FMCSA safety rating?

Unimark Lowboy Transportation LLC 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

Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.

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