Jefferson County contractors & building pros

215 businesses. Every listing links to the state's license lookup.

Companies in Jefferson

A–Z by name. Listed from Oregon public records as of 2026-10-21.

2I CONTRACTORS LLCTerrebonne · Residential General Contractor
3 PEAKS CONSTRUCTION AND INSULATION LLCMadras · Commercial General Contractor · Residential General Contractor
3RD ROCK ELECTRIC LLCMadras · Commercial Specialty Contractor · Residential Specialty Contractor
7 M CONSTRUCTION & HAULING LLCTerrebonne · Residential General Contractor
A & J EXCAVATION LLCMadras · Residential General Contractor
A TECH ELECTRIC LLCCulver · Residential Specialty Contractor
ACE OF TRADES INCCulver · Residential General Contractor
ACOSTA CONSTRUCTION LLCMadras · Residential General Contractor
ADAMS FLOORING LLCMadras · Residential General Contractor
ALAN DEE CLARKMadras · Residential General Contractor

Own one of these businesses? Claiming opens in Oregon soon. Open your listing to hear the day it does.