Supatra Group is founded in 1920 by Khunying Supatra Singholka. We are a privately held company based in Bangkok, Thailand with a focus on river mass transit, river tourism, advertising, real estate and hospitality. Our subsidiary companies include : Chao Phraya Express Boat (www.chaophrayaexpressboat.com) Chao Phraya Tourist Boat (www.chaophrayatouristboat.com) Ads Chao Phraya (www.adschaophraya.com) Supatra Company (www.supatraboat.com) Supatra Real Estate (www.thamaharaj.com) (www.thawanglang.com) Riva Surya Bangkok (www.rivasuryabangkok.com) Riva Arun Bangkok (www.rivaarunbangkok.com) Supatra River House (www.supatrariverhouse.com) Supatra by the Sea (www.supatrabythesea.com) Supatra Hua Hin Resort (www.supatraresort.com)