Dias Insulation Company INC (USDOT 4393708)
No blockers or cautions found.
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-16. 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, 6 drivers
- Operation type
- Interstate
- Physical address
- 24 COLUMBIA ST APT 2, AYER, MA 01432-1377
- MCS-150 last filed
- 2026-01
Frequently asked questions
What carrier is USDOT 4393708?
USDOT 4393708 is Dias Insulation Company INC, an interstate motor carrier.
What is Dias Insulation Company INC's USDOT number?
Dias Insulation Company INC's USDOT number is 4393708. No MC docket number is on file.
Is Dias Insulation Company INC currently authorized to operate?
No active operating authority on file with FMCSA. 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 Dias Insulation Company INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Dias Insulation Company INC's safety record?
In the last 24 months, FMCSA records show 2 of 2 vehicle inspections ending out-of-service for Dias Insulation Company INC, too few inspections for a stable rate. FMCSA records also show 0 reportable crashes in the same window.
What is Dias Insulation Company INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Dias Insulation Company INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Dias Insulation Company INC's FMCSA safety rating?
Dias Insulation Company 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.
Changes over time
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