Current Status

SIOUX STEEL COMPANY

USDOT  66163 Active Interstate
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Verdict
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location_onSIOUX FALLS, SD event_availableVerified April 17, 2026 databaseFMCSA public records
Power Units
9
Trucks + tractors
Drivers
10
1.11 per truck
Authority Age
52 yr
Since 1974
Safety Rating
Unrated
No DOT rating

Risk Assessment

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Authority Active

Operating authority is currently active in FMCSA records.

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Established Carrier

52 years of continuous operating authority.

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Unrated

No DOT safety rating on file — common, not disqualifying on its own.

neurology AI Synthesis · Carrier Profile
Gemini 2.5
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Generate a plain-English risk narrative for SIOUX STEEL COMPANY — synthesizing authority, safety percentiles, crash recency, and chameleon signals into a broker-ready summary.

Full Report

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Safety profile

All 7 FMCSA BASIC percentiles, inspections, and out-of-service rates.

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Crash history

Individual crashes by date and severity, fleet-normalized.

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Insurance & compliance

BI&PD + cargo coverage, carrier, effective dates, and gaps.

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Authority & cross-reference

Revocation history + chameleon flags across 4.4M carriers.

Change history

6 recorded changes to SIOUX STEEL COMPANY’s FMCSA record. Derived from monthly FMCSA Census snapshots.

Jun 2025
Operation type changed from C to A
Jun 2025
Phone number changed from (605) 336-1750 to 6056500342
Jun 2025
Email changed from TFINN@SIOUXSTEEL.COM to pdegraff@siouxsteel.com
Jun 2025
Power units changed from 2 to 9
Jun 2025
Driver count changed from 6 to 10
Jun 2025
MCS-150 filing changed from May 2, 2024 to Jun 18, 2025

FAQ · SIOUX STEEL COMPANY

Is SIOUX STEEL COMPANY a legitimate motor carrier?

SIOUX STEEL COMPANY is registered with FMCSA under USDOT number 66163. Operating authority status is currently Active.

Where is SIOUX STEEL COMPANY based?

SIOUX STEEL COMPANY lists its physical address in SIOUX FALLS, SD in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.

Is USDOT 66163 active?

USDOT 66163 (SIOUX STEEL COMPANY) operating authority status is currently Active. Last verified by MC Look Up on April 17, 2026. Data is sourced from live FMCSA federal records.

How many trucks does SIOUX STEEL COMPANY operate?

SIOUX STEEL COMPANY reports 9 power units and employs 10 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.

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