Carrier profile · USDOT 376354 · Updated Jun 13, 2026

Monumental Supply Co Inc LLC

7 power unitsavg 5.6 yrRegional · 3 statesBALTIMORE, MD100/100

AUTHORITY STATUS UNKNOWNRATED 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 18.2%24-mo cumulative

050%nat'l 22.26%

Driver OOS 4.3%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 22 vehicle and 23 driver inspections over 24 months.

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

22.2% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 14.4 pts 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

22 inspections in the charted months · busiest month Mar '25 · 5

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.

Heavily inspected

Under-inspected

Expected

Well-monitored

Heavily inspected

≈1.6 / unit·yr

thin signalabundant signal

Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.

Registered power units: 7
Inspections · 24 mo: 23
Annualized: ≈12 / yr
Coverage: ≈1.6 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

39%

Unsafe Driving

Vektor peer est.

Hours-of-Service

0violations

clean · per-BASIC

17%

Driver Fitness

Vektor peer est.

Controlled Substances

0violations

clean · per-BASIC

29%

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.

393.9 Inoperative required lampsVehicle Maintenance4 · 0 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving2 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance2 · 1 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance2 · 0 OOS
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance2 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 2 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance2 · 0 OOS
393.209 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS
393.110 Cargo securement — number of tiedownsVehicle Maintenance1 · 1 OOS
391.41 No / expired medical certificateDriver Fitness1 · 1 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 34 inspections — a clean logging history.

Crash history· 10 total · 0 in 24 mo

Total crashes

In last 24 mo

Fatal

Injury

Year	Crashes	Fatal	Injury	Tow
2021	1	0	1	1
2019	1	0	1	1
2018	1	0	0	1
2009	1	0	0	1
2008	1	0	0	1
2006	1	1	0	1
2002	1	0	1	1
1999	1	0	0	1
1998	1	0	1	0
1997	1	0	0	1

Date	State	Fatalities	Injuries	Tow-away
Dec 2, 2021	MD	0	1	Yes
Sep 23, 2019	MD	0	1	Yes
Sep 19, 2018	MD	0	0	Yes
Feb 27, 2009	MD	0	0	Yes
Jul 16, 2008	MD	0	0	Yes
Dec 8, 2006	MD	1	0	Yes
Apr 30, 2002	MD	0	1	Yes
Jun 2, 1999	MD	0	0	Yes
Aug 10, 1998	MD	0	1	No
Nov 3, 1997	MD	0	0	Yes