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Truck Graph
15/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Calvin Huffman Septic Tank
DOT 930910 · Blacksburg, SC
Report generated: June 10, 2026 at 7:30 AM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Calvin Huffman Septic Tank (DOT 930910) is a South Carolina-based interstate carrier headquartered in Blacksburg, SC. As of June 10, 2026 at 7:30 AM, 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; no inspection history 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 7:30 AM.

FMCSA Public Record
Calvin Huffman
Operating as: Calvin Huffman Septic Tank
DOT Number930910
MC Number—
Street435 HUFFMAN RD
City / StateBlacksburg, SC 29702
Phone7046168824
Operation typeInterstate
HazmatNot authorized
Authority age25 yr 4 mo
MCS-150 filed02/20/2026
Company officerCalvin Huffman
Power units2
Total drivers1
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●No active insurance filing on record
●No inspection history on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
Network Intelligence Map
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Power Units
2
Fleet
Drivers
1
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
25 yr 4 mo
Since 2001
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
435 HUFFMAN RD, Blacksburg, SC, 29702 · Open in Maps →
435 HUFFMAN RD, BLACKSBURG, SC, 29702Open in Maps →
Authority Timeline
Authority GrantedFeb 2001
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 Calvin Huffman authorized to operate?

Calvin Huffman'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 Calvin Huffman's safety record?

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

How many trucks does Calvin Huffman operate?

Calvin Huffman operates 2 power units with approximately 1 drivers.

Is Calvin Huffman insured?

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

Has Calvin Huffman had any risk indicators?

Calvin Huffman has a risk score of 15/100 (Monitor) with 2 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Calvin Huffman?

Calvin Huffman's DOT number is 930910. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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

APA
Truck Graph. (2026). Calvin Huffman Septic Tank Safety Record, DOT 930910. Retrieved from https://truckgraph.com/carriers/930910
MLA
"Calvin Huffman Septic Tank Safety Record, DOT 930910." Truck Graph, Jun 10, 2026, https://truckgraph.com/carriers/930910
Chicago
"Calvin Huffman Septic Tank Safety Record, DOT 930910." Truck Graph. Last modified June 10, 2026. https://truckgraph.com/carriers/930910