🚀Major update: Network Intelligence is live — carrier detail pages, vetting reports, and graph exploration.See what's new →
Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Extreme Tree Service
DOT 1664592 · Deforest, WI
Report generated: June 5, 2026 at 6:28 PM
✗Authorized for hire?
✗Active insurance?
✗Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Extreme Tree Service (DOT 1664592) is a Wisconsin-based interstate carrier headquartered in Deforest, WI. As of June 5, 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 5, 2026 at 6:28 PM.

FMCSA Public Record
Thomas L Mason
Operating as: Extreme Tree Service
DOT Number1664592
MC Number—
Street6245 JOHN F KENNEDY DR
City / StateDeforest, WI 53532
Phone6513386113
Operation typeInterstate
HazmatNot authorized
Authority age18 yr 11 mo
MCS-150 filed02/15/2026
Company officerThomas L Mason
Power units3
Total drivers2
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
OOS rate 100.0% vs. national avg 22.26% — above average
Network Intelligence Map
Carriers sharing an officer, address, or phone with Extreme Tree Service
View full network →
Power Units
3
Fleet
Drivers
2
Total
Inspections
1
On record
Crashes
0
On record
OOS Rate
100.0%
↑ Avg 22.26%
Authority Age
18 yr 11 mo
Since 2007
Violation Categories — Last 24 Months
Hours of Service
1 insp (100%)
Unsafe Driving
1 insp (100%)
Driver Fitness
1 insp (100%)
Vehicle Maintenance
1 insp (100%)· 1 viol
Controlled Substances
1 insp (100%)
Inspection History
1 total · OOS rate 100.0%
DateStateLevelDriver OOSVehicle OOSResult
7/10/2024WII02OOS
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
6245 JOHN F KENNEDY DR, Deforest, WI, 53532 · Open in Maps →
6245 JOHN F KENNEDY DR, DEFOREST, WI, 53532Open in Maps →
Authority Timeline
Authority GrantedJul 2007
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: .

Verify Independently
Related Carriers in Wisconsin
Community Reviews

No reviews yet — be the first to share your experience with this carrier.

Write a review for Extreme Tree Service
0/2000

Reviews are moderated before publication. We do not publish email addresses.

Frequently Asked Questions

Is Thomas L Mason authorized to operate?

Thomas L Mason'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 Thomas L Mason's safety record?

Thomas L Mason has 1 roadside inspections on record with an out-of-service rate of 100.0%. Crash history shows 0 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Thomas L Mason operate?

Thomas L Mason operates 3 power units with approximately 2 drivers.

Is Thomas L Mason insured?

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

Has Thomas L Mason had any risk indicators?

Thomas L Mason 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 Thomas L Mason?

Thomas L Mason's DOT number is 1664592. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Explore Carriers Like Extreme Tree Service
Cite this page

For journalists and researchers

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

APA
Truck Graph. (2026). Extreme Tree Service Safety Record, DOT 1664592. Retrieved from https://truckgraph.com/carriers/1664592
MLA
"Extreme Tree Service Safety Record, DOT 1664592." Truck Graph, Jun 6, 2026, https://truckgraph.com/carriers/1664592
Chicago
"Extreme Tree Service Safety Record, DOT 1664592." Truck Graph. Last modified June 6, 2026. https://truckgraph.com/carriers/1664592