Carrier profile · USDOT 533810 · MC-1553305 · Updated Jun 13, 2026

Manthei Development Corporation

DBA MDC CONTRACTING LLC

14 power unitsavg 18.1 yrLocal · 1 statesCHARLEVOIX, MI94/100
CARRIER ACTIVEMC-1553305 ACTIVE
Verified linksmantheiconstruction.comFMCSA SAFER

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 0.0%24-mo cumulative
050%
Driver OOS 0.0%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 2 vehicle and 11 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

11 inspections in the charted months · busiest month Nov '24 · 2

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.

Expected band
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.4 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 14-unit fleet — enough signal to read the safety record, though not a heavy sample.
Registered power units
14
Inspections · 24 mo
11
Annualized
≈6 / yr
Coverage
≈0.4 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

37%
Unsafe Driving
Vektor peer est.
Hours-of-Service
0violations
clean · per-BASIC
7%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
Vehicle Maintenance
4measure
SMS · per-BASIC

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 Driving14 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance3 · 0 OOS
  • 392.16 Failure to use seat beltUnsafe Driving1 · 0 OOS
  • 391.41 No / expired medical certificateDriver Fitness1 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance1 · 0 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance1 · 0 OOS
  • 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance1 · 1 OOS

ELD & hours-of-service

1 hours-of-service / ELD violation on record · most recent Jun 28, 2023. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

0ELD device issues
0No log / no ELD
0False logs
0Drove over hours

Crash history· 12 total · 1 in 24 mo

12
Total crashes
1
In last 24 mo
0
Fatal
6
Injury
YearCrashesFatalInjuryTow
20251001
20241001
20231011
20221001
20212011
20201011
20181011
20171001
20161010
20051001
20041011
DateStateFatalitiesInjuriesTow-away
Aug 30, 2025MI00Yes
Jul 16, 2024MI00Yes
Nov 8, 2023MI01Yes
Jun 28, 2022MI00Yes
Aug 16, 2021MI00Yes
Jul 9, 2021MI01No
Nov 9, 2020MI01Yes
Aug 14, 2018MI01Yes
Apr 26, 2017MI00Yes
Apr 7, 2016MI01No
Jul 28, 2005MI00Yes
Jan 13, 2004MI01Yes