Guenther Supply INC (USDOT 1003504)
No blockers or cautions found.
- Operating authority
- Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. 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
- 8 power units, 6 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 429 W 11TH STREET, FOND DU LAC, WI 54936-0867
- MCS-150 last filed
- 2026-03
Frequently asked questions
What carrier is USDOT 1003504?
USDOT 1003504 is Guenther Supply INC, an intrastate non-hazmat motor carrier.
What is Guenther Supply INC's USDOT number?
Guenther Supply INC's USDOT number is 1003504. No MC docket number is on file.
Is Guenther Supply INC currently authorized to operate?
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. 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 Guenther Supply INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Guenther Supply INC's safety record?
FMCSA records show no vehicle inspections for Guenther Supply INC in the last 24 months, so there is no out-of-service rate. FMCSA records also show 0 reportable crashes in the same window.
What is Guenther Supply INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Guenther Supply INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Guenther Supply INC's FMCSA safety rating?
Guenther Supply 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
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.
View the full fleetfax report for Guenther Supply INC
More carriers based in Wisconsin
Run a SAFER company snapshot lookup for any carrier
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