Carrier profile · USDOT 246687 · MC-175323 · Updated Jun 13, 2026

Diamond Construction Company of Shattuck Inc

DBA DIAMOND SERVICES COMPANY

12 power unitsavg 10.5 yrLocal · 1 statesWOODWARD, OK100/100

CARRIER ACTIVEMC-175323 ACTIVERATED SATISFACTORY

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 8.3%24-mo cumulative

050%nat'l 22.26%

Driver OOS 4.2%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 12 vehicle and 24 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

0.0% · latest 6-mo window● Steady

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Holding steady across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

24 inspections in the charted months · busiest month Nov '24 · 3

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Well-monitored

Under-inspected

Expected

Well-monitored

Heavily inspected

≈1.0 / unit·yr

thin signalabundant signal

Within the expected band for a 12-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.

Registered power units: 12
Inspections · 24 mo: 24
Annualized: ≈12 / yr
Coverage: ≈1.0 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

56%

Unsafe Driving

Vektor peer est.

Hours-of-Service

Vektor peer est.

59%

Driver Fitness

Vektor peer est.

Controlled Substances

0violations

clean · per-BASIC

43%

Vehicle Maintenance

Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving10 · 0 OOS
393.48 Brakes inoperativeVehicle Maintenance4 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance3 · 2 OOS
393.209 Parts & accessories (vehicle condition)Vehicle Maintenance2 · 0 OOS
395.24 ELD — record edits / dataHOS Compliance1 · 0 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance1 · 0 OOS
383.23 Operating without a valid CDLDriver Fitness1 · 1 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 1 OOS
392.16 Failure to use seat beltUnsafe Driving1 · 0 OOS
393.43 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS

ELD & hours-of-service

1 hours-of-service / ELD violation on record · most recent Aug 1, 2024. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

1ELD device issues

0No log / no ELD

0False logs

0Drove over hours

0 ELD violations in the last 24 months.

Crash history· 18 total · 0 in 24 mo

Total crashes

In last 24 mo

Fatal

Injury

Year	Crashes	Fatal	Injury	Tow
2023	1	0	0	1
2022	1	0	0	1
2021	1	0	0	1
2018	1	0	0	1
2016	1	0	1	1
2013	1	0	0	1
2012	1	0	1	1
2011	1	0	1	1
2008	1	0	1	1
2007	1	0	0	1
2006	1	0	1	0
2005	2	0	2	0
2001	1	1	0	1
1998	1	0	1	0
1996	3	0	3	0

Date	State	Fatalities	Injuries	Tow-away
Jul 6, 2023	OK	0	0	Yes
Nov 23, 2022	OK	0	0	Yes
Mar 25, 2021	OK	0	0	Yes
Nov 30, 2018	OK	0	0	Yes
Jul 25, 2016	OK	0	2	Yes
May 29, 2013	OK	0	0	Yes
Dec 17, 2012	OK	0	1	Yes
Nov 29, 2011	OK	0	2	Yes
Mar 14, 2008	OK	0	1	Yes
May 14, 2007	OK	0	0	Yes
Jun 29, 2006	OK	0	1	No
Sep 30, 2005	OK	0	1	No
Jan 20, 2005	OK	0	1	No
Dec 5, 2001	OK	2	0	Yes
Mar 26, 1998	OK	0	1	No
Jul 26, 1996	OK	0	1	No
Jun 3, 1996	OK	0	1	No
Mar 8, 1996	OK	0	2	No