SOUTHERN WISCONSIN AGGREGATE CORPORATION
USDOT 1930579
Active, intrastate (non-hazmat) carrier, small fleet (15 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate0% vs 19.1% national avg
- Linked registrations1 share this carrier's phone or address
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 1930579 |
|---|---|
| MC Number | — |
| Legal Name | SOUTHERN WISCONSIN AGGREGATE CORPORATION |
| DBA Name | — |
| Entity Type | — |
| Phone | 6087524322 |
| Address | 348 N US HIGHWAY 14, Janesville, WI, 53546 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 3 |
|---|---|
| Out-of-Service Rate | 0% vs 19.1% national average |
Most frequent violation categories: 12 (2), 14 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
1 other active carrier registration share this carrier's phone or address in FMCSA records.
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 15 |
|---|---|
| Drivers | 17 |
| Recent Annual Mileage | 306,000 |
| Last MCS-150 Filing | 06-OCT-25 |
SOUTHERN WISCONSIN AGGREGATE CORPORATION operates 15 power units — a larger fleet than 97% of carriers registered in WI.
Nearby
Other carriers in Janesville, WI
- BJOIN TRUCKING INC — USDOT 1751286, 18 power units
- FORZACK INC — USDOT 2021671, 14 power units
- W N YOSS CONSTRUCTION INC — USDOT 2039912, 11 power units
- NATURE'S TOUCH INC — USDOT 1963345, 8 power units
- MARY OLSON & RICHARD OLSON — USDOT 2041871, 8 power units
Browse all carriers in Janesville, WI or all WI carriers.