S.C. Code Ann. § 39-6-120

The provisions of this chapter apply to all written and oral agreements between a manufacturer, distributor, wholesaler, distributor branch or division, factory branch or division, or wholesale branch or division and an equipment dealer including, but not limited to, the dealership agreement, goods and services sales contracts, advertising contracts, leases or mortgages of real or personal property, promises to pay, security interests, pledges, insurance contracts, construction or installation contracts, servicing contracts, and all other agreements in which the manufacturer, distributor, wholesaler, distributor branch or division, factory branch or division, or wholesale branch or division has any direct or indirect interest.