Microsoft Corporation is an multinational technology company headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services. Its best known software products are the Microsoft Windows line of operating systems, Microsoft Office office suite, and Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface tablet lineup. As of 2011, it was the world's largest software maker by revenue, and one of the world's most valuable companies.

Salesforce.com, Inc. (styled in its logo as salesƒorce; abbreviated usually as SF or SFDC) is an American cloud computing company headquartered in San Francisco, California. Though its revenue comes from a customer relationship management (CRM) product, Salesforce also sells commercial applications of social networking through acquisition and internal development. Salesforce.com's customer relationship management (CRM) service is broken down into several broad categories: Commerce Cloud, Sales Cloud, Service Cloud, Data Cloud (including Jigsaw), Marketing Cloud, Community Cloud (including Chatter), Analytics Cloud, App Cloud, and IoT with over 100,000 customers. Salesforce is the primary enterprise offering within the Salesforce platform. It provides companies with an interface for case management and task management, and a system for automatically routing and escalating important events. The Salesforce customer portal provides customers the ability to track their own cases, includes a social networking plug-in that enables the user to join the conversation about their company on social networking websites, provides analytical tools and other services including email alert, Google search, and access to customers' entitlement and contracts. Source: https://en.wikipedia.org/wiki/Salesforce.com

SAP is a German multinational software corporation that makes enterprise software to manage business operations and customer relations. SAP is the market leader in enterprise application software, helping companies of all sizes and in all industries run at their best: 77% of the world’s transaction revenue touches an SAP system. Their machine learning, Internet of Things (IoT), and advanced analytics technologies help turn customers’ businesses into intelligent enterprises. Their end-to-end suite of applications and services enables the customers to operate profitably, adapt continuously, and make a difference. With a global network of customers, partners, employees, and thought leaders, SAP helps the world run better and improves people’s lives.

ServiceNow, Inc. is a cloud computing company headquartered in Santa Clara, California. It was founded in 2004 by Fred Luddy, the previous CTO of software companies Peregrine Systems and Remedy Corporation. ServiceNow is listed on the New York Stock Exchange and is a constituent of the Russell 1000 index.