Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I licence records
Columbia contractors on the Washington L&I register
Every Washington L&I registration on file at a Columbia address. A licence from one state grants nothing in the other, so a firm working both sides of the river carries both.
11 records on file·Washington State Department of Labor & Industries·data as of July 2026
6 more Columbia businesses hold an Oregon CCB licence instead. Those are a separate register and a separate page: Columbia contractors on the Oregon CCB register →
11 unexpired recordsInclude 0 expired
Showing 1–11 of 11 records
Colite International LtdActiveD S Construction Services LLCActiveDeco Well LLCActiveElectric Guard Dog LLCActiveGold Mountain Contracting LLCActiveHumphrey Rich Const Group IncActiveNorthwest Const & Supply IncActivePullman Power LLCActivePullman Sst IncActiveStructural Preserv Systems LLCActiveStructural Technologies LLCActive
Trades registered in Columbia
3 classifications11Records on file
11Unexpired
3Trade classifications
WA L&IIssuing agency
Verify any record directly with the issuing agency: WA L&I Verify a Contractor · Oregon CCB licence search
For contractors
Work in Columbia? Your record is already here.
Washington State L&I registration publishes your registration, so it appears on this page. Claim it free and add what you actually do.
Claim your recordPublished 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