S.C. Code Ann. § 40-47-1780

For purposes of this article, a person is engaged as an athletic trainer if the person is employed on a salary or contractual basis by an educational institution, hospital, rehabilitation clinic, physician's office, industry, performing arts group, professional athletic organization, military, governmental agency, or other bona fide organization which employs or serves a physically active population and performs the duties of athletic trainer as a major responsibility of this employment.