Mhm Support Services (USDOT 840521)

Frequently asked questions

What carrier is DOT 840521?

DOT 840521 (USDOT 840521) is Mhm Support Services, an interstate motor carrier.

What is Mhm Support Services's USDOT number?

Mhm Support Services's USDOT number is 840521. No MC docket number is on file.

Is Mhm Support Services currently authorized to operate?

Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 13, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Mhm Support Services have insurance on file with FMCSA?

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

What is Mhm Support Services's safety record?

In the last 24 months, FMCSA records show 0 of 4 vehicle inspections ending out-of-service for Mhm Support Services, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Mhm Support Services's CSA score?

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

What is Mhm Support Services's FMCSA safety rating?

Mhm Support Services 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 Springfield, MO

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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 13, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status