It was practically a domain-run commercial organization and called 'sanbutsu-kaisho' (local products kaisho) or 'kokusan-kaisho' (provincial products kaisho), and occasionally it was also called 'so-and-so kaisho' using a specific name of the product traded there.
藩が運営する事実上の商業組織であり、「産物会所」・「国産会所」と呼ばれ、あるいは産物名より「○○会所」とも呼ばれた。