US · FMCSA ACTIVE HAZMAT
DSS COMPANY
dba KNIFE RIVER CONSTRUCTION
Stockton, CA 95206 · DOT 2810408
Company profile
Web-discovered · as of 2026-07-30
Stockton, California-based heavy civil contractor and construction materials supplier (as Knife River Construction) operating under DSS Company. They operate a private fleet of dump trucks and specialized equipment primarily for their own construction and infrastructure projects.
Fleet use
Specialized service
Operating scope
Local
Service model
own account, dedicated
Equipment
dump, specialized
Ownership
Private
part of Knife River Corporation
HQ · 655 West Clay Street, Stockton, CA 95206
209-932-2116 OPERATING CONFIRMED
Active FMCSA record as of July 2026; frequently awarded construction contracts in California (e.g., Lathrop, Stockton) through 2025.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
42
power units
Activity
road freight carrier
private licence
In operation since
2015
38 drivers
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