Southern Wisconsin Aggregate Corporation (USDOT 1930579)
1 caution found.
- DOT number
- USDOT 1930579
- 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 2026-09-02. 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
- 15 power units, 17 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 348 N US HIGHWAY 14, JANESVILLE, WI 53546
- MCS-150 last filed
- 2025-10
Findings
- Multiple carriers at this address (Caution): One other active carrier is registered at this physical address. Shared addresses are common for freight offices and registered agents.
Connected carriers
Other carriers linked to this one in FMCSA registration and roadside-inspection records:
Frequently asked questions
What carrier is DOT 1930579?
DOT 1930579 (USDOT 1930579) is Southern Wisconsin Aggregate Corporation, an intrastate non-hazmat motor carrier.
What is Southern Wisconsin Aggregate Corporation's USDOT number?
Southern Wisconsin Aggregate Corporation's USDOT number is 1930579. No MC docket number is on file.
Is Southern Wisconsin Aggregate Corporation 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 2026-09-02. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Southern Wisconsin Aggregate Corporation have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Southern Wisconsin Aggregate Corporation's safety record?
FMCSA records show no vehicle inspections for Southern Wisconsin Aggregate Corporation 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 Southern Wisconsin Aggregate Corporation's CSA score?
FMCSA does not publish a single CSA score for carriers. Southern Wisconsin Aggregate Corporation's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Southern Wisconsin Aggregate Corporation's FMCSA safety rating?
Southern Wisconsin Aggregate Corporation 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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Carriers based in Janesville, WI
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 2, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status