W. Va. Code § 21-9-2
(c) “Contractor” means any person who performs operations in this state at the occupancy site which render a manufactured home fit for habitation. The operations include, without limitation, installation or construction of the foundation, positioning, blocking, leveling, supporting, tying down, connecting utility systems, making minor adjustments or assembling multiple or expandable units. The operations also include transporting the unit to the occupancy site by other than a motor carrier regulated by the West Virginia Public Service Commission.
Contractor does not include: