In the Aldmeri Dominion, Athrahgor is the vendor that sells achievement furnishing items. He can be found in each Aldmeri Dominion zone and offers different furnishings based on location that are unlocked by completing certain achievements. Below is a list of his location in each of the zones, the furnishings he offers, and the requirements needed to unlock the items.
In the Daggerfall Covenant, Lozotusk is the vendor that sells achievement furnishing items. He can be found in each Daggerfall Covenant zone and offers different furnishings based on location that are unlocked by completing certain achievements. Below is a list of his location in each of the zones, the furnishings he offers, and the requirements needed to unlock the items.

In the Ebonheart Pact, Listens-To-Sea is the vendor that sells achievement furnishing items. She can be found in each Ebonheart Pact zone and offers different furnishings based on location that are unlocked by completing certain achievements. Below is a list of her location in each of the zones, the furnishings she offers, and the requirements needed to unlock the items.

Furnishing plans available from Rolis Hlaalu. Most items and recipes are not bound with the exception of attunable crafting stations which become bound once they are attuned. These items require writ vouchers (Writ Voucher) to purchase.

Below are furniture items and furnishing plans available from Faustina Curio. These items are not bound once you purchase them and are tradable, (Complete 100 Master Writs) in order to purchase. All of these items require writ vouchers (Writ Voucher) to purchase. The jewelrycrafting stations require access to Summerset in order to use.