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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Mack Welding & Line Boring
DOT 1197926 · Merrillan, WI
Report generated: June 8, 2026 at 3:02 AM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Mack Welding & Line Boring (DOT 1197926) is a Wisconsin-based intrastate carrier headquartered in Merrillan, WI. As of June 8, 2026 at 3:02 AM, 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 8, 2026 at 3:02 AM.

FMCSA Public Record
John D Mack
Operating as: Mack Welding & Line Boring
DOT Number1197926
MC Number—
StreetN10915 KOVAR
City / StateMerrillan, WI 54754
Phone7153332062
Operation typeIntrastate
HazmatNot authorized
Authority age22 yr 5 mo
MCS-150 filed04/27/2006
Company officerJohn D Mack
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
JOHN MACKShared phone
Active
JOHN MACKShared officer
Active
Network Intelligence Map
Carriers sharing an officer, address, or phone with Mack Welding & Line Boring
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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
22 yr 5 mo
Since 2004
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
N10915 KOVAR, Merrillan, WI, 54754 · Open in Maps →
N10915 KOVAR, MERRILLAN, WI, 54754Open in Maps →
Authority Timeline
Authority GrantedJan 2004
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 John D Mack authorized to operate?

John D Mack'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 John D Mack's safety record?

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

How many trucks does John D Mack operate?

John D Mack operates 1 power units with approximately 1 drivers.

Is John D Mack insured?

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

Has John D Mack had any risk indicators?

John D Mack 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 John D Mack?

John D Mack's DOT number is 1197926. 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). Mack Welding & Line Boring Safety Record, DOT 1197926. Retrieved from https://truckgraph.com/carriers/1197926
MLA
"Mack Welding & Line Boring Safety Record, DOT 1197926." Truck Graph, Jun 8, 2026, https://truckgraph.com/carriers/1197926
Chicago
"Mack Welding & Line Boring Safety Record, DOT 1197926." Truck Graph. Last modified June 8, 2026. https://truckgraph.com/carriers/1197926