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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
William Greifzu
DOT 2301797 · Spring Valley, WI
Report generated: June 8, 2026 at 6:28 PM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

William Greifzu (DOT 2301797) is a Wisconsin-based intrastate carrier headquartered in Spring Valley, WI. As of June 8, 2026 at 6:28 PM, operating authority is active but without for-hire authority. TruckGraph has detected 1 risk signal on this carrier, including: no active insurance filing on record. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 8, 2026 at 6:28 PM.

FMCSA Public Record
William Greifzu
DOT Number2301797
MC Number—
StreetW2628 650TH AVENUE
City / StateSpring Valley, WI 54767
Phone7157784393
Operation typeIntrastate
HazmatNot authorized
Authority age14 yr 1 mo
MCS-150 filed05/02/2012
Company officerSarah Greifzu
Power units1
Total drivers1
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●No active insurance filing on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
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Power Units
1
Fleet
Drivers
1
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
14 yr 1 mo
Since 2012
Inspection History
0 total · No inspections

No inspection records on file.

Crash History
0 total on record

No crash records on file.

Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
W2628 650TH AVENUE, Spring Valley, WI, 54767 · Open in Maps →
W2628 650TH AVENUE, SPRING VALLEY, WI, 54767Open in Maps →
Authority Timeline
Authority GrantedMay 2012
FMCSA issued operating authority
Active USDOT — No for-hire authorityCurrent
USDOT record is active but no for-hire operating authority is currently granted

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

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Frequently Asked Questions

Is William Greifzu authorized to operate?

William Greifzu's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is William Greifzu's safety record?

William Greifzu does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does William Greifzu operate?

William Greifzu operates 1 power units with approximately 1 drivers.

Is William Greifzu insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has William Greifzu had any risk indicators?

William Greifzu has a risk score of 0/100 (Monitor) with 1 active risk signal. Review the risk section above and verify independently before tendering.

What is the DOT number for William Greifzu?

William Greifzu's DOT number is 2301797. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). William Greifzu Safety Record, DOT 2301797. Retrieved from https://truckgraph.com/carriers/2301797
MLA
"William Greifzu Safety Record, DOT 2301797." Truck Graph, Jun 8, 2026, https://truckgraph.com/carriers/2301797
Chicago
"William Greifzu Safety Record, DOT 2301797." Truck Graph. Last modified June 8, 2026. https://truckgraph.com/carriers/2301797