Carrier profile · USDOT 288306 · MC-754633 · Updated Jul 18, 2026

MW Manufacturers Inc

DBA CORNERSTONE BUILDING BRANDS

265 power unitsavg 6.1 yrNational · 44 statesROCKY MOUNT, VA70/100
AUTHORITY STATUS UNKNOWNMC-754633 STATUS UNKNOWNRATED SATISFACTORY
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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 6.6%24-mo cumulative
050%nat'l 22.26%
Driver OOS 0.4%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 318 vehicle and 518 driver inspections over 24 months.

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

7.6% · 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 4.0 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

497 inspections in the charted months · busiest month Jul '25 · 32

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 265-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
265
Inspections · 24 mo
518
Annualized
≈259 / yr
Coverage
≈1.0 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

59%
Unsafe Driving
Vektor peer est.
25%
Hours-of-Service
Vektor peer est.
4%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
16%
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 Driving66 · 0 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance28 · 1 OOS
  • 395.24 ELD — record edits / dataHOS Compliance27 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance20 · 17 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance19 · 5 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance17 · 0 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance10 · 0 OOS
  • 395.30 ELD — use / data transferHOS Compliance9 · 0 OOS
  • 390.21 USDOT number marking on vehicleUnsafe Driving9 · 0 OOS
  • 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance9 · 2 OOS

ELD & hours-of-service

54 hours-of-service / ELD violations on record · most recent Apr 8, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

42ELD device issues
7No log / no ELD
1False logs
3Drove over hours

Trending worse — 57% of ELD violations are in the last 24 months. Falsified-log violations are a serious integrity flag.

Crash history· 69 total · 19 in 24 mo

69
Total crashes
19
In last 24 mo
6
Fatal
24
Injury
YearCrashesFatalInjuryTow
20264004
2025111411
20247117
20231001
20201010
20191010
20172002
20152002
20143013
20132002
20122012
20104024
20092012
20082022
20072002
20061101
20052012
20041001
20033122
20024023
20002102
19994033
19983022
19962102
19931001
DateStateFatalitiesInjuriesTow-away
Apr 9, 2026MA00Yes
Feb 4, 2026OH00Yes
Jan 22, 2026CT00Yes
Jan 12, 2026MD00Yes
Oct 29, 2025VA01Yes
Jul 17, 2025MA01Yes
Jun 19, 2025TN00Yes
May 28, 2025TN00Yes
May 14, 2025FL00Yes
Apr 29, 2025NJ11Yes
Apr 10, 2025CO00Yes
Mar 12, 2025CA00Yes
Jan 27, 2025GA00Yes
Jan 23, 2025MT00Yes
Jan 16, 2025MT01Yes
Nov 27, 2024WA00Yes
Oct 10, 2024NJ00Yes
Sep 20, 2024OR00Yes
Sep 19, 2024TN00Yes
May 22, 2024WA10Yes
May 14, 2024VA00Yes
Feb 7, 2024GA01Yes
Oct 6, 2023OH00Yes
Feb 20, 2020TX01No
Jul 31, 2019TX01No