Final answer:
Companies that offer devices to facilitate credit card transactions via tablets and cell phones are categorized as service providers.
Step-by-step explanation:
Companies offering devices that enable businesses to accept credit cards through tablets and cell phones are typically categorized as service providers. These devices are part of innovative solutions that allow business transactions in areas lacking traditional infrastructure. By equipping small businesses and entrepreneurs with the necessary tools, these companies act as service providers, facilitating financial transactions and interactions that might otherwise be impossible due to the absence of formal banking and commercial facilities. These services not only support peripheral nations but also boost local economies by allowing seamless business operations and access to a broader customer base.