NAPLES, FL--(Marketwired - May 11, 2016) - The independent authority on credit card processors, topcreditcardprocessors.com, has named their list of the best merchant services for May 2016. The ratings are revealed at the start of each month in order to account for the latest developments and achievements of the best performing merchant services. The independent research team at topcreditcardprocessors.com evaluates and ranks the services included in the examination process each month in order to assist businesses in selecting their solution.