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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Williams Sign Service
DOT 865429 · Southport, FL
Report generated: June 4, 2026 at 12:36 PM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Williams Sign Service (DOT 865429) is a Florida-based intrastate carrier headquartered in Southport, FL. As of June 4, 2026 at 12:36 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 4, 2026 at 12:36 PM.

FMCSA Public Record
Mark D Williams
Operating as: Williams Sign Service
DOT Number865429
MC Number—
Street121 SHERRETT BRANCH ROAD
City / StateSouthport, FL 32409
Phone8502718550
Operation typeIntrastate
HazmatNot authorized
Authority age26 yr 2 mo
MCS-150 filed—
Power units2
Total drivers—
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
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Power Units
2
Fleet
Drivers
—
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
26 yr 2 mo
Since 2000
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
121 SHERRETT BRANCH ROAD, Southport, FL, 32409 · Open in Maps →
121 SHERRETT BRANCH ROAD, SOUTHPORT, FL, 32409Open in Maps →
Authority Timeline
Authority GrantedMar 2000
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 Mark D Williams authorized to operate?

Mark D Williams'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 Mark D Williams's safety record?

Mark D Williams does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does Mark D Williams operate?

Mark D Williams operates 2 power units with approximately 0 drivers.

Is Mark D Williams insured?

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

Has Mark D Williams had any risk indicators?

Mark D Williams 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 Mark D Williams?

Mark D Williams's DOT number is 865429. 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). Williams Sign Service Safety Record, DOT 865429. Retrieved from https://truckgraph.com/carriers/865429
MLA
"Williams Sign Service Safety Record, DOT 865429." Truck Graph, Jun 4, 2026, https://truckgraph.com/carriers/865429
Chicago
"Williams Sign Service Safety Record, DOT 865429." Truck Graph. Last modified June 4, 2026. https://truckgraph.com/carriers/865429