Final answer:
Intermediary wholesalers, including large farmers, merchants, artisans, and larger states primarily in the North, make up the largest group of wholesalers, accounting for roughly 50% of all wholesaling.
Step-by-step explanation:
The largest group of wholesalers, accounting for roughly 50 percent of all wholesaling, is large farmers, merchants, artisans, and larger states primarily in the North (with the exception of Rhode Island).
These wholesalers are commonly known as intermediary wholesalers. They purchase large quantities of goods from manufacturers and sell them to retailers, other wholesalers, or institutional buyers.