Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I license records
Clayton contractors on the Washington L&I register
Every Washington L&I registration on file at a Clayton, Washington address. A license 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 license instead. Those are a separate register and a separate page: Clayton contractors on the Oregon CCB register →
38 unexpired recordsInclude 5 expired
Showing 1 to 25 of 38 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 ServicesActiveLoftis Construction IncActiveLong Construction IncActiveLong ExcavatingActiveLotech ConsultingActiveM & L Maintenance/Const LLCActiveMcCallum Const & DrywallActive
Trades registered in Clayton
11 classifications43Records on file
38Unexpired
11Trade classifications
WA L&IIssuing agency
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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.