The Product Customers report in Report Explorer answers this question. It shows all of the customers who have purchased the specified product number in the selected date range.
The report can be sorted by:
1. Sales (top 10)
Lists the top 10 customers by sales volume for the product.
2. Sales (top down)
Lists all customers purchasing the product in descending sales dollar order.
3. Customer Name
Lists all customers in alphabetical order.
The report can also be filtered by the Sales Rep on Invoice to get a list of customers for just the selected Sales Rep.
Customer
The Customer's name.
Quantity
The number of units purchased by this customer.
Average Price
The average selling price of the product from all sales to this customer.
Total Sales
Total dollar value of all purchases of this product by the customer.
% of total
Percentage of sales of this product to this customer of the entire sales volume of the product. "customer sales"/"total product sales"