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Truck Graph
25/100
⚠ Caution
OOS rate 50.0% exceeds the national average of 22.26%.
Ultimate Insulation Lax
DOT 4133921 · MC MC1583543 · Coon Valley, WI
Report generated: June 9, 2026 at 12:33 PM
✓Authorized for hire?
✓Active insurance?
✗Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Ultimate Insulation Lax (DOT 4133921, MC MC1583543) is a Wisconsin-based interstate carrier headquartered in Coon Valley, WI. As of June 9, 2026 at 12:33 PM, operating authority is currently active. TruckGraph has detected 2 risk signals on this carrier, including: driver qualification violation on record; required mcs-150 compliance filing overdue. TruckGraph rates this carrier "Caution" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 9, 2026 at 12:33 PM.

Common Authority
FMCSA Public Record
Ultimate Insulation Lax
DOT Number4133921
MC NumberMC1583543
StreetN410 TEN MILE CIR
City / StateCoon Valley, WI 54623
Phone6087877777
Operation typeInterstate
HazmatNot authorized
Authority age2 yr 8 mo
MCS-150 filed09/20/2023
Company officerDave Lloy Herlitzke
Power units3
Total drivers12
Authority Status
Common (for-hire)✓ Active
Contract (for-hire)Not authorized
BrokerNot authorized
TruckGraph Intelligence
Risk Signals
●Driver qualification violation on record
●Required MCS-150 compliance filing overdue
✓ OFAC Sanctions: Clear
Connection Chain
EXCEED CONCRETEShared phone
Active
Active
OOS rate 50.0% vs. national avg 22.26% — above average
Network Intelligence Map
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Power Units
3
Fleet
Drivers
12
Total
Inspections
2
On record
Crashes
0
On record
OOS Rate
50.0%
↑ Avg 22.26%
Authority Age
2 yr 8 mo
Since 2023
Violation Categories — Last 24 Months
Hours of Service
2 insp (100%)
Unsafe Driving
2 insp (100%)
Driver Fitness
2 insp (100%)· 1 viol
Controlled Substances
2 insp (100%)
Vehicle Maintenance
1 insp (50%)
Inspection History
2 total · OOS rate 50.0%
DateStateLevelDriver OOSVehicle OOSResult
1/12/2026WIIII10OOS
7/10/2025WIII00Pass
Crash History
0 total on record

No crash records on file.

Insurance Status
Status
✓ Active filing on record
Insurer
SELECTIVE INSURANCE COMPANY OF AMERICA
Coverage type
91X
Coverage amount
$750,000
Effective
11/17/2023
Location
N410 TEN MILE CIR, Coon Valley, WI, 54623 · Open in Maps →
N410 TEN MILE CIR, COON VALLEY, WI, 54623Open in Maps →
Authority Timeline
Authority GrantedSep 2023
FMCSA issued operating authority
ActiveCurrent
Authority currently active

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 Ultimate Insulation Lax authorized to operate?

Yes. Ultimate Insulation Lax holds Common operating authority and is currently active.

What is Ultimate Insulation Lax's safety record?

Ultimate Insulation Lax has 2 roadside inspections on record with an out-of-service rate of 50.0%. Crash history shows 0 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Ultimate Insulation Lax operate?

Ultimate Insulation Lax operates 3 power units with approximately 12 drivers.

Is Ultimate Insulation Lax insured?

Ultimate Insulation Lax has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has Ultimate Insulation Lax had any risk indicators?

Ultimate Insulation Lax has a risk score of 25/100 (Caution) with 2 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Ultimate Insulation Lax?

Ultimate Insulation Lax's DOT number is 4133921 and MC number is MC1583543. 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). Ultimate Insulation Lax Safety Record, DOT 4133921. Retrieved from https://truckgraph.com/carriers/4133921
MLA
"Ultimate Insulation Lax Safety Record, DOT 4133921." Truck Graph, Jun 9, 2026, https://truckgraph.com/carriers/4133921
Chicago
"Ultimate Insulation Lax Safety Record, DOT 4133921." Truck Graph. Last modified June 9, 2026. https://truckgraph.com/carriers/4133921