"Contractor" means any of the following:
(a) A person who, for compensation or with the intent to sell, arranges or undertakes or offers to undertake or submits a bid to construct, alter, repair, add to, subtract from, improve, inspect, move, wreck or demolish, for another, any building, highway, road, railroad, excavation or other structure, project, development or improvement attached to real estate, or to clean or service chimneys, or to do any part thereof.
(b) A person that purchases or owns property and constructs or for compensation arranges for the construction of one or more residential structures or small commercial structures with the intent of selling the structures.
(c) A school district, as defined in ORS 332.002 (Definitions), that permits students to construct a residential structure or small commercial structure as an educational experience to learn building techniques and sells the completed structure.
(d) A community college district, as defined in ORS 341.005 (Definitions), that permits students to construct a residential structure or small commercial structure as an educational experience to learn building techniques and sells the completed structure.
(e) Any person except a landscape contracting business, nurseryman, gardener or person engaged in the commercial harvest of forest products, that is engaged as an independent contractor to remove trees, prune trees, remove tree limbs or stumps or to engage in tree or limb guying.
(f) A business that supplies the services of a home inspector certified under ORS 701.350 (Home inspectors), a lead-based paint inspector licensed under ORS 701.515 (Licensing system) or a cross connection inspector and backflow assembly tester certified under ORS 448.279 (Certification of inspectors of cross-connections and testers of backflow assemblies).