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Truck Graph
0/100
✗ Not for Hire
This carrier holds no for-hire operating authority. Private carriers are not authorized to haul freight for hire. Do not tender.
DOT 1844497✓ Last checked 8h ago
Verify on FMCSA →
Vetting2 failed11 passedNo for-hire authority · No insurance filing
Risk Signals Detected
Private carrier — no for-hire authority. Not authorized to haul freight for hire.
Informational
No active insurance filing — verify directly with carrier
Not a legal finding — always perform independent due diligence before tendering a load.✓ Updated 8h ago
DOT 1844497Denmark, WI

Harold Vanderloop

Private Carrier · Not For HireIntrastateDenmark, WI 54208

Harold Vanderloop has a fleet of 1 power units and 1 drivers. It does not hold for-hire operating authority and may operate as a private carrier. No roadside inspection history is on record.

Identity
Legal nameHarold Vanderloop
DBA—
DOT #1844497
MC #—
CityDenmark
StateWisconsin
ZIP54208
Authority age17 yr 4 mo
StatusActive (No Auth)
Common authority—
Contract authority—
Broker authorityNot authorized
OperationIntrastate
HazmatNot authorized
MCS-150 filed01/12/2009
Company officerHarold Vanderloop
FMCSA SAFER →FMCSA Safety Scores (SMS) →
Fleet
1
Power units
Drivers
1
Total
Inspections
0
On record
Crashes
0
None on record
OOS Rate
—
No inspections
Authority Age
17 yr 4 mo
Since 2009

Source: FMCSA compliance records, Truck Graph analysis. View methodology

Business Connections
Who else shares an officer, address, or phone number with this carrier
View full network →
Associated entities1 revoked in network
⚠ 1 revoked in network
ConnectedRevoked

Location

E1048 COUNTY RD KB, Denmark, WI, 54208

E1048 COUNTY RD KB, DENMARK, WI, 54208Open in Maps →

Inspection history

0 inspections on record · 5 most recent shown · OOS rate: N/A

No inspection records found.

Source: FMCSA inspection records. View methodology

Crash history

0 crashes on record · Showing last 3

No crash records found.

Source: FMCSA crash records. View methodology

Insurance status

Current insurance filing on record with FMCSA.

⚠
No active insurance filing on record
Verify insurance directly with carrier before tendering any load.

Source: FMCSA insurance filings. View methodology

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Marten Transport LTD
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Authority timeline

Key events in this carrier's operating authority history.

Authority GrantedJan 2009
FMCSA issued operating authority
ActiveCurrent
Authority currently active

Source: FMCSA authority records and revocation orders. View methodology

Verify independently

Before tendering, confirm authority and safety using official sources.

FMCSA SAFER System →
Official DOT safety record, authority status, inspections
Google Search →
News, reviews, and web presence
Wisconsin Secretary of State →
Business registration and corporate filings
Better Business Bureau →
Complaints, ratings, and accreditation status
LinkedIn →
Company employees, leadership, and network
PACER (Federal Courts) →
Federal litigation, bankruptcy filings

Explore carriers like Harold Vanderloop

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Harold Vanderloop is based in Denmark, WI, which is part of the larger Wisconsin trucking market. Browse the full national carrier directory to compare across all 50 states.

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Frequently asked

Harold Vanderloop

Answers from verified compliance records.

Is Harold Vanderloop authorized to operate?

Harold Vanderloop'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 Harold Vanderloop's safety record?

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

How many trucks does Harold Vanderloop operate?

Harold Vanderloop operates 1 power units with approximately 1 drivers.

Is Harold Vanderloop insured?

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

Has Harold Vanderloop had any risk indicators?

No risk indicators have been detected for Harold Vanderloop as of the most recent data sync.

What is the DOT number for Harold Vanderloop?

Harold Vanderloop's DOT number is 1844497. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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). Harold Vanderloop Safety Record, DOT 1844497. Retrieved from https://truckgraph.com/carriers/1844497
MLA
"Harold Vanderloop Safety Record, DOT 1844497." Truck Graph, May 31, 2026, https://truckgraph.com/carriers/1844497
Chicago
"Harold Vanderloop Safety Record, DOT 1844497." Truck Graph. Last modified May 31, 2026. https://truckgraph.com/carriers/1844497
Data sourced from FMCSA public records with independent risk analysis. Last updated: Methodology →