US · FMCSA ACTIVE
KNOCK'S BUILDING SUPPLY INC
dba KNOCK SAND GRAVEL AND READYMIX
Parkersburg, IA 50665 · DOT 1058005
Registry record
Source FMCSA · as of 2026-07-08
Fleet size
3
power units
Activity
road freight carrier
for hire licence
In operation since
2002
3 drivers
Data Services
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