Demmer Mechanical Corp

Dyersville, Dubuque County

Capabilities

Offering (inferred, unconfirmed)
Residential wiring[1]
Offering (inferred, unconfirmed)
Commercial buildouts[1]
Offering (inferred, unconfirmed)
Free estimates[1]
Offering (inferred, unconfirmed)
Lighting upgrades[1]

About

Handles residential and commercial electrical work, including new installations and repairs. Offers free estimates.[2]

Sources

  1. Automated inference, unconfirmed record updated 2026-07-10
  2. Every Iowan record updated 2026-07-10