Dewine Mechanical LLC
REGISTEREDWater/Sewer Line Construction · Columbus, NE
Homeowners found water/sewer line construction pages across Iowa 10 times in the last 28 days.
Dewine Mechanical LLC is currently registered as a construction contractor with the State of Iowa under registration number C001109, first issued 2025-10-10 and current through 2026-10-10. Iowa registration confirms compliance with state labor law — it is not a license, and the State does not assess skill.
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This contractor is based in NE and holds an Iowa contractor registration, which is required to perform construction work in Iowa.
State registration
- Registration number
- C001109
- Status
- Registered
- Issued / last renewed
- 2025-10-10
- Expires
- 2026-10-10
- Primary trade
- Water/Sewer Line Construction
- Owner of record
- Theron Dewine
- Issuing authority
- DIAL
Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-09-14. Verify this registration with the State of Iowa. How to check a registration yourself.
About Dewine Mechanical LLC
From dm-inc.us
DeWine Mechanical, Inc. has extensive experience with facilities such as milling, ethanol, medical, pet food, and food processing plants throughout the Midwest.
- In business since 2007
- Website:
- dm-inc.us
- Facebook:
- facebook.com/Dewine-Mechanical-Inc-104122754643745
Read from the business’s own website (dm-inc.us). We have not verified it and this business has not claimed this listing. Is this your business? Claim it free to edit or remove anything here, or request a correction.
What Dewine Mechanical LLC is registered to do
The State classifies Dewine Mechanical LLC as water/sewer line construction. 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.
1 yr
on the State's register (since 2025) — not a measure of experience
228
registered water/sewer line construction in Iowa, this business among them