Businesses starting with S
- S.k. Sine-ad Co., Ltd.
- S.k.guest House
- S.k.i Ceramics Co., Ltd.
- S.k.i. Import Export Co., Ltd.
- S.k.j. Metal Industry Co., Ltd.
- S.k.k. Marketing Ltd., P.
- S.k.n. (2537) Ltd., P.
- S.k.r. International Co., Ltd.
- S.k.s. Garment Co., Ltd.
- S.k.v. Commercial Co., Ltd.
- S.k.w. Steels Product Co., Ltd.
- S.l. Kool Co., Ltd.
- S.l. Traditional Massage
- S.lim.salukphan (1980) Co., Ltd.
- S.m. Home Office Decorate Co., Ltd.
- S.m. Petroleum Co., Ltd. (cosmo Oil)
- S.m.c. Co., Ltd.
- S.m.chemical
- S.m.d. International Co., Ltd.
- S.m.t. Electromart Co., Ltd.