The master of Toiyaba was called Tonya and there were Toshiyori, who was Tonya's assistant, Chozuke, who registerd riders, horses and wages, and Umasashi, who alloted baggage to riders and horses.
業務の主宰者は問屋と称され、その助役の年寄、さらに人馬の出入りや賃銭などを記入する帳付、人馬に荷物を振り分ける馬指などの者がいた。