S.C. Code § 29-7-10
Any contractor or subcontractor in the erection, alteration, or repairing of buildings in this State shall pay all laborers, subcontractors, and materialmen for their lawful services and material furnished out of the money received for the erection, alteration, or repairs of buildings upon which such laborers, subcontractors, and materialmen are employed or interested and such laborers, as well as all subcontractors and persons who shall furnish material for any such building, shall have a first lien on the money received by such contractor for the erection, alteration, or repair of such building in proportion to the amount of their respective claims. Any person providing private security guard services at the site of the building during its erection, alteration, or repair shall be deemed to be a laborer within the meaning of this section. Nothing herein contained shall make the owner of the building responsible in any way and nothing contained in this section shall be construed to prevent any contractor or subcontractor from borrowing money on any such contract. "Person" as used in this section shall mean any individual, corporation, partnership, proprietorship, firm, enterprise, franchise, association, organization, or other such entity.
S.C. Code § 29-7-10