This is the 5935th most frequent Korean word.
사업자에게
"To the business owner/operator."
The word '사업자에게' refers to directing an action (inquiry) towards the business operator.
사업자에게 문의하십시오.
Please inquire with the business operator.
Here, '사업자에게' is used to indicate that permission must be obtained from the business operator.
사업자에게 허가를 받아야 합니다.
You must obtain permission from the business operator.
In this sentence, '사업자에게' signifies supplying products to the business operator.