US · FMCSA ACTIVE AUTHORITY INSURED
TRI-STATE READY MIX INC
Rock Valley, IA 51247 · DOT 588491 · MC481202
Company profile
Web-discovered · as of 2026-07-30
Tri-State Ready Mix, a division of Van Zee Enterprises, operates from Rock Valley, IA, and five other locations. They provide ready-mixed concrete, sand, gravel, and precast products for residential, commercial, and agricultural construction projects across Northwest Iowa and Southeast South Dakota.
Fleet use
Specialized service
Operating scope
Regional
Service model
dedicated
Equipment
specialized
Ownership
Private
part of Van Zee Enterprises
Employees
51-200
HQ · 2015 Main St, Rock Valley, IA 51247
Active website (vanzees.com) and Facebook page (2026) list active locations, including the Rock Valley facility and the 712-476-5343 phone number.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
43
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
1995
43 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-08
Operating authority
Active
Insurance on file
Yes (BIPD)
min cover $750k
Out of service
No
Safety rating
UNRATED
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