IBM looks to be a part of every aspect of an enterprise’s IT needs. The company primarily sells software, IT services, consulting, and hardware. IBM operates in 175 countries and employs approximately 350,000 people. The company has a robust roster of 80,000 business partners to service 5,200 clients—which includes 95% of all Fortune 500. While IBM is a B2B company, IBM’s outward impact is substantial. For example, IBM manages 90% of all credit card transactions globally and is responsible for 50% of all wireless connections in the world.

Meta is the world’s largest online social network, with nearly 4 billion family of apps monthly active users. Users engage with each other in different ways, exchanging messages and sharing news events, photos, and videos. The firm’s ecosystem consists mainly of the Facebook app, Instagram, Messenger, WhatsApp, and many features surrounding these products. Users can access Facebook on mobile devices and desktops. Advertising revenue represents more than 90% of the firm’s total revenue, with more than 45% coming from the US and Canada and over 20% from Europe.

Apple is among the largest companies in the world, with a broad portfolio of hardware and software products targeted at consumers and businesses. Apple’s iPhone makes up a majority of the firm sales, and Apple’s other products like Mac, iPad, and Watch are designed around the iPhone as the focal point of an expansive software ecosystem. Apple has progressively worked to add new applications, like streaming video, subscription bundles, and augmented reality. The firm designs its own software and semiconductors while working with subcontractors like Foxconn and TSMC to build its products and chips. Slightly less than half of Apple’s sales come directly through its flagship stores, with a majority of sales coming indirectly through partnerships and distribution.

Oracle provides database technology and enterprise resource planning, or ERP, software to enterprises around the world. Founded in 1977, Oracle pioneered the first commercial SQL-based relational database management system. Today, Oracle has 430,000 customers in 175 countries, supported by its base of 136,000 employees.