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Truck Graph
15/100
⚠ Caution
Minor signals on record. Confirm authority and insurance before dispatch.
Stonebrook Field Service
DOT 3554216 · MC MC1191380 · Eaton, NY
Report generated: June 7, 2026 at 5:00 AM
✓Authorized for hire?
✓Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Stonebrook Field Service (DOT 3554216, MC MC1191380) is a New York-based interstate carrier headquartered in Eaton, NY. As of June 7, 2026 at 5:00 AM, operating authority is currently active. TruckGraph has detected 1 risk signal on this carrier, including: no inspection history on record. TruckGraph rates this carrier "Caution" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 7, 2026 at 5:00 AM.

Common Authority
FMCSA Public Record
Michael Mahar
Operating as: Stonebrook Field Service
DOT Number3554216
MC NumberMC1191380
Street2949 EATON RD
City / StateEaton, NY 13334
Phone3156847413
Operation typeInterstate
HazmatNot authorized
Authority age5 yr 4 mo
MCS-150 filed11/03/2025
Company officerMichael A. Mahar
Power units1
Total drivers1
Authority Status
Common (for-hire)✓ Active
Contract (for-hire)Not authorized
BrokerNot authorized
TruckGraph Intelligence
Risk Signals
●No inspection history 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
5 yr 4 mo
Since 2021
Inspection History
0 total · No inspections

No inspection records on file.

Crash History
0 total on record

No crash records on file.

Insurance Status
Status
✓ Active filing on record
Insurer
ERIE INSURANCE COMPANY
Coverage type
91X
Coverage amount
$750,000
Effective
1/11/2021
Location
2949 EATON RD, Eaton, NY, 13334 · Open in Maps →
2949 EATON RD, EATON, NY, 13334Open in Maps →
Authority Timeline
Authority GrantedJan 2021
FMCSA issued operating authority
ActiveCurrent
Authority currently active

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 Michael Mahar authorized to operate?

Yes. Michael Mahar holds Common operating authority and is currently active.

What is Michael Mahar's safety record?

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

How many trucks does Michael Mahar operate?

Michael Mahar operates 1 power units with approximately 1 drivers.

Is Michael Mahar insured?

Michael Mahar has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has Michael Mahar had any risk indicators?

Michael Mahar has a risk score of 15/100 (Monitor) with 1 active risk signal. Review the risk section above and verify independently before tendering.

What is the DOT number for Michael Mahar?

Michael Mahar's DOT number is 3554216 and MC number is MC1191380. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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For journalists and researchers

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

APA
Truck Graph. (2026). Stonebrook Field Service Safety Record, DOT 3554216. Retrieved from https://truckgraph.com/carriers/3554216
MLA
"Stonebrook Field Service Safety Record, DOT 3554216." Truck Graph, Jun 7, 2026, https://truckgraph.com/carriers/3554216
Chicago
"Stonebrook Field Service Safety Record, DOT 3554216." Truck Graph. Last modified June 7, 2026. https://truckgraph.com/carriers/3554216