Marathon Insulation INC (USDOT 4029683)
MonitorFindings
Registered with FMCSA for in-state operation only, with no federal operating authority. Loads that cross state lines are outside this registration.
- DOT number
- USDOT 4029683
- Operating authority
- Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. USDOT registration showed active on FMCSA’s file as of Sep 25, 2026. Not yet confirmed live.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 2 power units, 1 driver
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 15229 LAKESIDE ST, SYLMAR, CA 91342
- MCS-150 last filed
- Jul 2025
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Frequently asked questions
What carrier is DOT 4029683?
USDOT 4029683 is Marathon Insulation INC, an intrastate non-hazmat motor carrier.
What is Marathon Insulation INC's USDOT number?
Marathon Insulation INC's USDOT number is 4029683. No MC docket number is on file.
Is Marathon Insulation INC currently authorized to operate?
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. USDOT registration showed active on FMCSA’s file as of Sep 25, 2026. Not yet confirmed live. Source: FMCSA registration and licensing records.
Does Marathon Insulation INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Marathon Insulation INC's safety record?
FMCSA records show no vehicle inspections for Marathon Insulation INC 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 Marathon Insulation INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Marathon Insulation INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Marathon Insulation INC's FMCSA safety rating?
Marathon Insulation INC has no published FMCSA safety rating. Most US carriers have never had a rating review.
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From FMCSA public records loaded Sep 25, 2026; may be out of date. fleetfax shows the facts; you make the call. FMCSA status