STIER SUPPLY COMPANY
AUTHORIZEDUSDOT
448994
MC Number
N/A
Fleet Size
69
Total Drivers
60
FMCSA-derived snapshot updated: August 23, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
STIER SUPPLY COMPANY is a mid-size interstate motor carrier based in GASTON, South Carolina, operating 69 power units with 60 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 4.3% comes in under the 6.7% national average. They have 2 crashes on file (1 with injuries). FMCSA records show 23 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 South Carolina is 13.1% and the average vehicle OOS rate is 36.0% across 24,265 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
23
Total
72%
Driver %
Insurance on file
CarrierOwl's current public FMCSA filing snapshot returned no matching insurance rows. This does not prove that no private coverage exists; verify current requirements and filings directly with FMCSA and the carrier.
Crash history
2
Total Crashes
Similar carriers in South Carolina
Other carriers in the same state with a similar fleet size.
B&K GRADING AND PAVING LLC
M&M GROUP LLC
JES COLUMBIA LLC
DILMAR OIL COMPANY INC
CAROLINA LOGISTICS INC
Frequently asked questions
Is STIER SUPPLY COMPANY authorized to operate?
CarrierOwl's FMCSA-derived snapshot for STIER SUPPLY COMPANY (USDOT #448994) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is STIER SUPPLY COMPANY's safety record?
STIER SUPPLY COMPANY has 23 inspections in CarrierOwl's current imported snapshot and 2 matching crashes. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does STIER SUPPLY COMPANY operate?
STIER SUPPLY COMPANY operates 69 power units with 60 drivers on file. That puts them in the mid-size range.
Does STIER SUPPLY COMPANY transport hazardous materials?
No. STIER SUPPLY COMPANY does not have a hazardous materials flag in the FMCSA database.
Where is STIER SUPPLY COMPANY located?
STIER SUPPLY COMPANY is based in GASTON, South Carolina at 303 BELLINGER LANE, 29053. Phone: (803) 749-1200.
What are STIER SUPPLY COMPANY's out-of-service rates?
STIER SUPPLY COMPANY's driver out-of-service rate is 4.3%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 22.2%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026.