Executive Paywatch, Compensation data for the CEOs of some of the largest companies in the United States are included here in the Executive PayWatch database. SEC Search of Proxy Statements Glass Door, Anonymous information about management and corporations posted by employees. LinkedIn, is a popular business social-networking site. You need to be a member to search (membership is free), and you can search by companies as well as individuals. They Rule, maps out corporate connections among the nation’s largest public companies. Use a general news search to look more carefully at board activity such as through Google. Also, make sure to examine local newspapers and media outlets in the city in which the firm is located. Some of this information may not show up on a general search.