US · FMCSA ACTIVE HAZMAT
SWEETMAN CONST CO
dba DBA KNIFE RIVER DBA CONCRETE MATERIALS
Sioux Falls, SD 57107 · DOT 4019
Company profile
Web-discovered · as of 2026-07-30
Sioux Falls-based construction materials and road freight carrier operating as a subsidiary of Knife River Corporation, specializing in aggregate, asphalt, and ready-mix concrete for regional development.
Fleet use
Private fleet
Operating scope
Regional
Service model
own account
Equipment
dump, specialized
Ownership
Subsidiary
part of Knife River Corporation
Employees
51-200
HQ · 1500 N Sweetman Place, Sioux Falls, SD 57107
Active website and FMCSA status confirming current operations out of 1500 N Sweetman Place in Sioux Falls.
Registry record
Source FMCSA · as of 2026-07-08
Fleet size
146
power units · corroborated
Activity
road freight carrier
private licence
In operation since
1974
76 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
None / private
Insurance on file
No
Out of service
No
Safety rating
SATISFACTORY
Crashes (24 mo)
1
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