Tri State Underground
REGISTEREDSite Preparation Contractors · Sioux City, IA
Tri State Underground is registered with the State of Iowa (No. C123681), current through 2026-12-11. Registration is not a license or an assessment of skill. Check the State record.
Phone · State record
(712) 560-4017Want a few options? Get free project quotes
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What Tri State Underground is registered to do
The State classifies Tri State Underground as site preparation contractors. That classification comes from the registration itself, not from us. It describes the work the business registered to perform, and it is not an assessment of skill or a limit on what they may quote for.
2025-11-25
registration last issued or renewed with the State
633
registered site preparation contractors in Iowa, this business among them
2
registered site preparation contractors in Sioux City
All 633 registered site preparation contractors in Iowa →Contractors in Sioux City →Contractors in Woodbury County →
State registration details
- Registration number
- C123681
- Status
- Registered
- Issued / last renewed
- 2025-11-25
- Expires
- 2026-12-11
- Primary trade
- Site Preparation Contractors
- County
- Woodbury County
- Owner of record
- Theresa Brown
- Issuing authority
- DIAL
Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-11-02. Verify this registration with the State of Iowa. How to check a registration yourself.
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