Records copied from Washington State L&I and the Oregon Construction Contractors Board.
Alphabetical browse
Businesses beginning with M
Every registration in both registries whose recorded business name starts with this letter.
7,632 records·letter M·WA data as of July 2026
Jump to a letter
Records
A–ZShowing 826–850 of 7,632 records
Main Beam ContractingActiveMain Beam Contractor IncActiveMain Beam Septic Specialist LLCActiveMain Construction LLCActiveMain Home Solutions LLCActiveMain Line ElectricActiveMain Line Plumbing IncActiveMain Man Contracting LLCActiveMain Rock Products IncActiveMain Street ConstructionActiveMain Street Design & Build LLCActiveMain Street Development IncActiveMain Street Electric IncActiveMain Street Glass LLCActiveMain-Techs IncActiveMainframe Management LLCActiveMainline - WA LLCActiveMainline Carpentry & Construction LLCActiveMainline Const Comp LLCActiveMainline Construction LLCActiveMainline Drain Service LLCActiveMainline Fence Staining LLCActiveMainline LLCActiveMainline Plumbing & DrainActiveMainline Traffic Control Services LLCActive
Verify any record directly with the issuing agency: WA L&I Verify a Contractor · Oregon CCB licence search
Published by PNW Contractor Marketing, SeaTac, Washington. This directory reproduces public licence records and is not affiliated with, endorsed by, or operated by any state agency.Washington data as of July 2026. Sources & method