There are some businesses that must use high risk accounts because of the inherent nature of the business. A few of these businesses are: dating services, travel companies, timeshare sellers, diet programs, multi-level marketers, collection agencies, auto rentals, detective services, home based businesses, herbal supplement distributors, pharmacies and adult product sellers. There are also many more businesses that are considered to be of a higher risk that regular companies.
https://www.northamericanbancard.pro/selling_merchant_accounts