The Supplier dialog (for workflow rules)

Use these settings to specify suppliers when creating or editing a rule.

To access this dialog: In the Rule dialog, select Supplier field as the Type, select In list as the Condition and click Suppliers.

Use these settings to specify suppliers when creating or editing a rule:

[Supplier name] Use this box to find suppliers you want to add to the list of suppliers that trigger the rule.
  Adds the specified supplier to the list of suppliers that trigger the rule.
  Removes the selected supplier from the list.