Carrier profile · USDOT 278344 · Updated Jun 13, 2026

ISC BUILDING MATERIALS INC

DBA ISC BUILDING MATERIALS WALKER AND BYRD BUILDING MATERIALS

49 power unitsDALLAS, TX50/100
AUTHORITY STATUS UNKNOWN
Verified linksiscbm.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

No roadside inspections on record.

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

No roadside inspections on the FMCSA record in this window

BASIC categories· CSA SMS · Aug 2026

Unsafe Driving
0violations
clean · per-BASIC
Hours-of-Service
0violations
clean · per-BASIC
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
Vehicle Maintenance
0violations
clean · 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.

Crash history· 14 total · 0 in 24 mo

14
Total crashes
0
In last 24 mo
2
Fatal
6
Injury
YearCrashesFatalInjuryTow
20121011
20091001
20081001
20062002
20051101
20042012
20032112
20012022
20002012
DateStateFatalitiesInjuriesTow-away
Aug 23, 2012TX01Yes
Dec 22, 2009TX00Yes
Mar 4, 2008TX00Yes
Nov 14, 2006TX00Yes
Mar 30, 2006TX00Yes
Jul 22, 2005TX10Yes
Nov 17, 2004TX02Yes
Jan 16, 2004TX00Yes
Nov 26, 2003TX01Yes
Jun 16, 2003AR10Yes
Nov 27, 2001OK01Yes
Aug 8, 2001TX01Yes
Feb 4, 2000TX00Yes
Jan 7, 2000TX01Yes