Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I license records
Columbia contractors on the Washington L&I register
Every Washington L&I registration on file at a Columbia address. A license 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 license instead. Those are a separate register and a separate page: Columbia contractors on the Oregon CCB register →
11 unexpired recordsInclude 0 expired
Showing 1 to 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
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 the work you do.
Published by Contractor Marketing NW, Seattle, Washington. This directory reproduces public license records and is not affiliated with, endorsed by, or operated by any state agency.