WU
WOLFF UNDERGROUND CORPORATION
DOT 1795350ActiveInterstateBLACK CREEK, WI
COMPANY
Authority since
—
MCS-150
2025-09-25 · 50,000 mi (2024)
Fleet
2 units · 2 trailers · 2 drivers
Annual mileage (VMT)
50,000 mi (2024)
ADDRESS
Physical
N8663 OLD HIGHWAY 47
BLACK CREEK, WI 54106-9159
BLACK CREEK, WI 54106-9159
Mailing
PO BOX 982
APPLETON, WI 54912
APPLETON, WI 54912
CONTACT
Phone
9207381880
Email
info@wolffunderground.com
OFFICERS
Primary Officer
PAULA WOLFF
Title
VICE PRESIDENT
OPERATION & CARGO
Operation classification
Private Property
Specialty
Heavy Haul / Oilfield
Cargo types
2
Machinery, Large ObjectsOther: TRAILER
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 · 0 strengths
OOS RATE
0.0%
0 / 0 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Moderate Risk
1 risk factor · 0 strengths · 2 data pointsSAFETY PERFORMANCE
Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
No inspection data
Out-of-Service Rate
—
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-09-25
INSURANCE
Active Coverage
No insurance policies on file
SUMMARY
No active insurance on file
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