Michigan Compiled Laws, Chapter 125. Planning, Housing and Zoning § 125.1591

(a) “Contractor” means a person who contracts with a governmental entity to improve real property or perform or manage construction services. Contractor does not include a person licensed under article 20 of the occupational code, 1980 PA 299, MCL 339.2001 to 339.2014.

(b) “Governmental entity” means the state, a county, city, township, village, public educational institution, or any political subdivision thereof.

(c) “Improve” means to build, alter, repair, or demolish an improvement upon, connected with, or beneath the surface of any real property, to excavate, clear, grade, fill, or landscape any real property, to construct driveways and roadways, or to perform labor upon improvements.

(d) “Improvement” includes, but is not limited to, all or any part of any building, structure, erection, alteration, demolition, excavation, clearing, grading, filling, landscaping, trees, shrubbery, driveways, and roadways on real property.

(e) “Person” means an individual, corporation, partnership, association, governmental entity, or any other legal entity.

(f) “Real property” means the real estate that is improved, including, but not limited to, lands, leaseholds, tenements, hereditaments, and improvements placed on the real property.