Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I licence records
Clayton contractors on the Washington L&I register
Every Washington L&I registration on file at a Clayton, Washington address. A licence from one state grants nothing in the other, so a firm working both sides of the river carries both.
43 records on file·Washington State Department of Labor & Industries·data as of July 2026
11 more Clayton businesses hold an Oregon CCB licence instead. Those are a separate register and a separate page: Clayton contractors on the Oregon CCB register →
40 unexpired recordsInclude 3 expired
Showing 1–25 of 40 records
Aecom Technical Services IncActiveAssa Abloy Entrance Sys US IncActiveAdept Fire ProtectionActiveBirky's Better Built Barns LLCActiveChristopher Short Const LLCActiveClay SeveyActiveCommemorative Concrete LLCActiveCopper River Electric LLCActiveCornerstone Irrig & Maint LLCActiveDot Electric IncActiveDot Electric IncActiveDr Electric LLCActiveEpic Design LLCActiveJacobs Project Management CoActiveK Scenic LLCActiveKeller Construction CompanyActiveLandcare USA LLCActiveLarry Miller Excavating IncActiveLegacy Construction ServicesActiveLexicon IncActiveLoftis Construction IncActiveLong Construction IncActiveLong ExcavatingActiveLotech ConsultingActiveM & L Maintenance/Const LLCActive
Trades registered in Clayton
11 classifications43Records on file
40Unexpired
11Trade 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 Clayton? 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