S.C. Code Ann. § 40-79-270: Restrictions on use of license.

(A) No licensee may conduct an alarm business under a name other than the name that appears on the license.

(B) Any licensed alarm business may be a subcontractor to another licensed alarm business who has the contract with a client to engage in alarm work.

(C) No license, certificate, or registration can be used by or loaned to another entity or individual.