MyBrocard - Brocard allows you to create an unlimited number of virtual cards for paying for advertising and other online payments, manage a team of buyers, choose from 20+ bins for various tasks, and enjoy convenient API for integrations.
4C Insights - 4C Insights is a social advertising and analytics platform for TV and digital media.
PST.NET - Virtual payment cards for online shopping and advertising
Shape.io - PPC budget management software for ad agencies
Coinramp - The Coinramp Card lets you spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards
FatTail - FatTail simplifies the entire advertising process, from proposal to billing, and every step in between.