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
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Records
A–ZShowing 2,026–2,050 of 7,632 records
Mass Design Build LLCActiveMass Electric Construction CoActiveMass Electric Construction CoActiveMass With Class LLCActiveMass X Construction LLCActiveMassana Construction IncActiveMassey Excavation IncActiveMassey Home ServicesActiveMassey Interior Construction IncActiveMassie Bros Cncrt Contrs LLCActiveMassie Build LLCActiveMassie Build LLCActiveMasson Construction LLCActiveMassve Wall Covrng & Grpcs LLCActiveMast Builders LLCActiveMast MechanicalActiveMast Paneling & Const LLCActiveMast Timber & Tree Care LLCActiveMastec Industrial CorpActiveMastec Industrial CorpActiveMastec Network Solutions IncActiveMastec Network Solutions IncActiveMastec Network Solutions LLCActiveMastec North America IncActiveMastec North America IncActive
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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