S.C. Code Ann. § 29-5-170: Petition filed by multiple lienors.

Any number of persons who have actually performed labor or furnished labor or materials on one or more buildings or structures upon different lots of land, when the labor was performed for the same owner, contractor or other person, may join in the same petition for their respective liens and the same proceedings shall be had in regard to the rights of each petitioner and the respondent may defend as to each petitioner in the same manner as if he had severally petitioned for his individual lien.