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SOUTHERN WISCONSIN AGGREGATE CORPORATION

DOT 1930579ActiveIntrastate Non-HazmatJANESVILLE, WI

COMPANY

Authority since
—
MCS-150
2025-10-06 · 306,000 mi (2024)
Fleet
15 units · 1 trailers · 17 drivers
Annual mileage (VMT)
306,000 mi (2024)
Owner origin
Hispanic
Origin candidates
Brazilian 48% · Israeli 29%

ADDRESS

Physical
348 N US HIGHWAY 14
JANESVILLE, WI 53546
Mailing
348 N US HIGHWAY 14
JANESVILLE, WI 53546

CONTACT

Phone
6087524322
Email
tlorenz@silhaexcavation.com

OFFICERS

Primary Officer
DAN SILHA
Title
PRESIDENT
Origin
Hispanic

OPERATION & CARGO

Operation classification
Authorized For Hire
Specialty
Construction & Building Materials
Cargo types
2
Building MaterialsConstruction
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Moderate Risk
1 risk factors · 1 strengths
OOS RATE
0.0%
0 / 5 inspections

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Checking local VIN index…

Moderate Risk

1 risk factor · 1 strengths · 3 data points

SAFETY PERFORMANCE

Crash Record
1 crashes · 0 fatal · 1 with injuries · 1 tow-away
Clean Inspection Rate
100% — 5 clean of 5 inspections
Out-of-Service Rate
0.0% — driver OOS 0, vehicle OOS 0

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-10-06

INSURANCE

Active Coverage
No insurance policies on file

SUMMARY

No active insurance on file
No crashes in the last 24 months

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