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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Wolff Tree Service
DOT 4034963 · Hammond, IN
Report generated: June 2, 2026 at 7:30 AM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Wolff Tree Service (DOT 4034963) is a Indiana-based intrastate carrier headquartered in Hammond, IN. As of June 2, 2026 at 7:30 AM, 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 2, 2026 at 7:30 AM.

FMCSA Public Record
John Wolff
Operating as: Wolff Tree Service
DOT Number4034963
MC Number—
Street6836 ONTARIO AVE
City / StateHammond, IN 46323
Phone2196784641
Operation typeIntrastate
HazmatNot authorized
Authority age3 yr 3 mo
MCS-150 filed03/31/2026
Company officerJohn Wolff
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
TRI-ESCO INCShared officer
Active
Network Intelligence Map
Carriers sharing an officer, address, or phone with Wolff Tree Service
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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
3 yr 3 mo
Since 2023
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
6836 ONTARIO AVE, Hammond, IN, 46323 · Open in Maps →
6836 ONTARIO AVE, HAMMOND, IN, 46323Open in Maps →
Authority Timeline
Authority GrantedFeb 2023
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 John Wolff authorized to operate?

John Wolff'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 John Wolff's safety record?

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

How many trucks does John Wolff operate?

John Wolff operates 1 power units with approximately 1 drivers.

Is John Wolff insured?

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

Has John Wolff had any risk indicators?

John Wolff 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 John Wolff?

John Wolff's DOT number is 4034963. 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). Wolff Tree Service Safety Record, DOT 4034963. Retrieved from https://truckgraph.com/carriers/4034963
MLA
"Wolff Tree Service Safety Record, DOT 4034963." Truck Graph, Jun 2, 2026, https://truckgraph.com/carriers/4034963
Chicago
"Wolff Tree Service Safety Record, DOT 4034963." Truck Graph. Last modified June 2, 2026. https://truckgraph.com/carriers/4034963