Sub Finder · Columbia County
Mark Lanning Tree Service
From public license list
- License
- Washington registered specialty contractor (L&I): Tree Removal Service · L&I MARKLTS989B9 Active
- Location
- Dayton · Columbia County
Source: Washington L&I contractor license data (data.wa.gov), retrieved 2026-10-30. This listing shows only public license data. It has not been reviewed by the business.