(Showing all bus operator directories with the alphabet S)
- sabariah
- sanwa-ekspress
- season-express
- selat-keris-express
- sentosa-express
- sepakat-liner
- seremban-prestij-dinasti
- shira-transliner
- sistem-kenderaan-bahau
- skybus
- sri-maju-group
- sri-maju-group
- ss-international-express
- star-express-coach
- star-qistna-express
- star-shuttle
- star-xpress
- starmart-express
- suasana-edaran
- sungei-merah
- super-liner-enterprise
- superior-coach
- supernice-danish-trans-klang
- supernice-grassland
- supernice-grassland
- supernice-kl-prestij
- sutera-utara-enterprise
- syafi-express
- syawawa-enterprise