Dark Sun: The Search for the Swan's Song
Below are some of the more populated Merchant Houses of Athas. Details as to what goods they specialize in and what cities they operate in are summarized below:
House Valentus – Luxury Goods. Mainly operates in Balic, followed by Tyr, Urik, Raam, and Draj
House Kassigarh – Finances and Taxes. Mainly operates in Balic, followed by Tyr, Raam, and Draj
House Othan – Slavery and Slave Breeding. Mainly operates in Draj, followed by all other cities.
House Merek – Slavery and Slave Capture. Mainly operates in Tyr, followed by all other cities.
House Cassius – Weapons and Armor. Mainly operates in Tyr, followed by Balic, and all other cities.
Red Wine Brotherhood – Rare and exotic goods, along with Red Wine as their staple. Unknown origins or connections to other Houses. Operate often without molestation throughout the Known.