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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Ralph Therrien & Son
DOT 1656120 · Manchester, NH
Report generated: June 10, 2026 at 6:27 PM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Ralph Therrien & Son (DOT 1656120) is a New Hampshire-based intrastate carrier headquartered in Manchester, NH. As of June 10, 2026 at 6:27 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 10, 2026 at 6:27 PM.

FMCSA Public Record
David Therrien
Operating as: Ralph Therrien & Son
DOT Number1656120
MC Number—
Street353 WARD STREET
City / StateManchester, NH 03104
Phone6036221261
Operation typeIntrastate
HazmatNot authorized
Authority age19 yr
MCS-150 filed11/05/2013
Company officerDavid G Therrien
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
Network Intelligence Map
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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
19 yr
Since 2007
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
353 WARD STREET, Manchester, NH, 03104 · Open in Maps →
353 WARD STREET, MANCHESTER, NH, 03104Open in Maps →
Authority Timeline
Authority GrantedJun 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: .

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Frequently Asked Questions

Is David Therrien authorized to operate?

David Therrien'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 David Therrien's safety record?

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

How many trucks does David Therrien operate?

David Therrien operates 1 power units with approximately 1 drivers.

Is David Therrien insured?

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

Has David Therrien had any risk indicators?

David Therrien 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 David Therrien?

David Therrien's DOT number is 1656120. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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Cite this page

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

APA
Truck Graph. (2026). Ralph Therrien & Son Safety Record, DOT 1656120. Retrieved from https://truckgraph.com/carriers/1656120
MLA
"Ralph Therrien & Son Safety Record, DOT 1656120." Truck Graph, Jun 11, 2026, https://truckgraph.com/carriers/1656120
Chicago
"Ralph Therrien & Son Safety Record, DOT 1656120." Truck Graph. Last modified June 11, 2026. https://truckgraph.com/carriers/1656120