William O Williams (DOT# 1001521) – FMCSA Carrier Profile
doing business as WILLIAMS TRUCKING
DOT# 1001521● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
William O Williams is a registered motor carrier with the FMCSA under USDOT number 1001521. The company operates from Gary, SD and maintains an active operating status with 2 power units and 1 drivers on record.
Safety Rating
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Company Information
Address48610 176 St, Gary, SD, 57237
Phone(605) 272-5592
Entity TypeU. S. Mail
OperationIntrastate (Non-Hazmat)
Power Units2(Small carrier)
Drivers1
MCS-150 FiledApril 9, 2022
Annual Mileage87,000 mi (2021)
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Carrier Insight
William O Williams is a small motor carrier operating in South Dakota.
William O Williams has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.
The company operates 2 power units and employs 1 driver. This is a small carrier operation.
Frequently Asked Questions
What is USDOT Number 1001521?
USDOT number 1001521 is assigned to William O Williams, an active motor carrier registered with the FMCSA, based in Gary, SD.
Where is William O Williams located?
William O Williams is headquartered at 48610 176 St, Gary, SD 57237.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 1001521 · Last updated: 2026-03-09. View official FMCSA record →