🚀Major update: Network Intelligence is live — carrier detail pages, vetting reports, and graph exploration.See what's new →
Truck Graph
20/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Mason Master Co
DOT 4520780 · Coventry, RI
Report generated: June 10, 2026 at 12:31 PM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Mason Master Co (DOT 4520780) is a Rhode Island-based interstate carrier headquartered in Coventry, RI. As of June 10, 2026 at 12:31 PM, operating authority is active but without for-hire authority. TruckGraph has detected 2 risk signals on this carrier, including: no active insurance filing on record; new authority — under 6 months old. 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 12:31 PM.

FMCSA Public Record
Mason Master Co
DOT Number4520780
MC Number—
Street227 READ AVE
City / StateCoventry, RI 02816-7541
Phone4016231563
Operation typeInterstate
HazmatNot authorized
Authority age4 mo
MCS-150 filed01/19/2026
Company officerRyszard Zagorski
Power units1
Total drivers1
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●No active insurance filing on record
●New authority — under 6 months old
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
Network Intelligence Map
Carriers sharing an officer, address, or phone with Mason Master Co
View full network →
Power Units
1
Fleet
Drivers
1
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
4 mo
Since 2026
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
227 READ AVE, Coventry, RI, 02816-7541 · Open in Maps →
227 READ AVE, COVENTRY, RI, 02816-7541Open in Maps →
Authority Timeline
Authority GrantedJan 2026
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 Rhode Island
Community Reviews

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

Write a review for Mason Master Co
0/2000

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 We do not publish email addresses.

Frequently Asked Questions

Is Mason Master Co authorized to operate?

Mason Master Co'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 Mason Master Co's safety record?

Mason Master Co does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does Mason Master Co operate?

Mason Master Co operates 1 power units with approximately 1 drivers.

Is Mason Master Co insured?

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

Has Mason Master Co had any risk indicators?

Mason Master Co has a risk score of 20/100 (Caution) with 2 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Mason Master Co?

Mason Master Co's DOT number is 4520780. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Explore Carriers Like Mason Master Co
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). Mason Master Co Safety Record, DOT 4520780. Retrieved from https://truckgraph.com/carriers/4520780
MLA
"Mason Master Co Safety Record, DOT 4520780." Truck Graph, Jun 10, 2026, https://truckgraph.com/carriers/4520780
Chicago
"Mason Master Co Safety Record, DOT 4520780." Truck Graph. Last modified June 10, 2026. https://truckgraph.com/carriers/4520780