Midwest Insulation LLC (USDOT 4273066)
No blockers or cautions found.
- DOT number
- USDOT 4273066
- Operating authority
- No active operating authority on file with FMCSA. 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
- 16 power units, 21 drivers
- Operation type
- Interstate
- Physical address
- 12130 PRICHARD FARM RD, MARYLAND HEIGHTS, MO 63043-4201
- MCS-150 last filed
- 2024-07
Findings
- No inspections in the last 24 months (Note): 16 trucks on file · active 2 years · no inspections in our 24-month roadside record
- Shares a mailing address with another company (Note): One other active company uses this carrier’s mailing address and shares its business name, a phone number, or a company officer. Shared mailing addresses can be legitimate — subsidiaries and shared back offices are common.
Connected carriers
Other carriers linked to this one in FMCSA registration and roadside-inspection records:
Frequently asked questions
What carrier is DOT 4273066?
DOT 4273066 (USDOT 4273066) is Midwest Insulation LLC, an interstate motor carrier.
What is Midwest Insulation LLC's USDOT number?
Midwest Insulation LLC's USDOT number is 4273066. No MC docket number is on file.
Is Midwest Insulation LLC currently authorized to operate?
No active operating authority on file with FMCSA. 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 Midwest Insulation LLC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Midwest Insulation LLC's safety record?
FMCSA records show no vehicle inspections for Midwest Insulation LLC 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 Midwest Insulation LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Midwest Insulation LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Midwest Insulation LLC's FMCSA safety rating?
Midwest Insulation 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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Carriers based in Maryland Heights, MO
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Reconstructed from cached and fleetfax-ingested FMCSA public records (live FMCSA was unavailable) and may be out of date; verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status