What is the corporation’s history of existence and what products and/or services does the company offer?

What is the corporation’s history of existence and what products and/or services does the company offer?
Each company employs what types of information systems? Such as management information systems, HR systems, transaction processing systems, etc.
Are there similarities in the business information systems employed by the companies being analyzed?
How can information systems be used for companies to establish a competitive advantage?
How does the company use information systems to manage data collection and manipulate data?