SUPERIOR INSULATION COMPANY LLC
AUTHORIZEDUSDOT
3023562
MC Number
N/A
Fleet Size
6
Total Drivers
12
FMCSA-derived snapshot updated: July 26, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
Broker verification report
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Safety overview
SUPERIOR INSULATION COMPANY LLC is a small interstate motor carrier based in SPOKANE, Washington, operating 6 power units with 12 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 10.0% runs above the national average of 5.51%. No crashes on file. FMCSA records show 10 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Washington is 7.6% and the average vehicle OOS rate is 33.2% across 49,415 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
10
Total
56%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
0
Total Crashes
Similar carriers in Washington
Other carriers in the same state with a similar fleet size.
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Frequently asked questions
Is SUPERIOR INSULATION COMPANY LLC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for SUPERIOR INSULATION COMPANY LLC (USDOT #3023562) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is SUPERIOR INSULATION COMPANY LLC's safety record?
SUPERIOR INSULATION COMPANY LLC has 10 inspections on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does SUPERIOR INSULATION COMPANY LLC operate?
SUPERIOR INSULATION COMPANY LLC operates 6 power units with 12 drivers on file. That makes them a small carrier.
Does SUPERIOR INSULATION COMPANY LLC transport hazardous materials?
No. SUPERIOR INSULATION COMPANY LLC does not have a hazardous materials flag in the FMCSA database.
Where is SUPERIOR INSULATION COMPANY LLC located?
SUPERIOR INSULATION COMPANY LLC is based in SPOKANE, Washington at 5402 N JULIA ST, 99217-6653. Phone: (509) 443-4398.
What are SUPERIOR INSULATION COMPANY LLC's out-of-service rates?
SUPERIOR INSULATION COMPANY LLC's driver out-of-service rate is 10.0%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues. Their vehicle out-of-service rate is 37.5% (national average: 20.72%). Above average, which may point to vehicle maintenance gaps.