The document summarizes the software industry, including its history, size, types of companies, and top companies globally and in Pakistan. It notes that the software industry includes businesses that develop, maintain, and publish software using license/maintenance or cloud-based models. It provides details on product companies that develop their own software products and service companies that develop applications. The top four global software vendors in 2013 were Microsoft, Oracle, IBM, and SAP. In Pakistan, the top company is NETSOL Technologies, and PSEB regulates the industry and charges annual fees for software companies based on revenue.