Enterprise Products Partners is a master limited partnership that transports and processes natural gas, natural gas liquids, crude oil, refined products, and petrochemicals. It is one of the largest midstream companies, with operations servicing most producing regions in the Lower 48 states. Enterprise is particularly dominant in the NGL market and is one of the few MLPs that provide midstream services across the full hydrocarbon value chain.

Microsoft develops and licenses consumer and enterprise software. It is known for its Windows operating systems and Office productivity suite. The company is organized into three equally sized broad segments: productivity and business processes (legacy Microsoft Office, cloud-based Office 365, Exchange, SharePoint, Skype, LinkedIn, Dynamics), intelligence cloud (infrastructure- and platform-as-a-service offerings Azure, Windows Server OS, SQL Server), and more personal computing (Windows Client, Xbox, Bing search, display advertising, and Surface laptops, tablets, and desktops).

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.

Caterpillar is the premier manufacturer of heavy equipment, power solutions, and locomotives. It is currently the world’s largest manufacturer of heavy equipment with over 13% market share in 2021. The company is divided into four reportable segments: construction industries, resource industries, energy and transportation, and Caterpillar Financial Services. Its products are available through a dealer network that covers the globe with about 2,700 branches maintained by 160 dealers. Caterpillar Financial Services provides retail financing for machinery and engines to its customers, in addition to wholesale financing for dealers, which increases the likelihood of Caterpillar product sales.