Organizational (org) charts are pretty much impossible to find, especially free and reliable org charts of for-profit companies; there's incentive to share an org chart if disclosing it could weaken a company's competitive position.
S&P Capital IQ *(Current UCI students, faculty, & staff)
A comprehensive company intelligence database, offering granular financial and capital structure information on millions of companies worldwide. Also features biographic and professional connection information for millions of business practitioners.
Nexis Uni Company Dossier
Formerly LexisNexis Academic. The Company Dossier tool has public and private company information (as available), for companies worldwide. Particularly helpful for hierarchical parent/subsidiary relationships and some executive email addresses (as available).
The downloadable company profiles include a segment called Key Employees, with brief biographies and compensation data.
AFL-CIO.org CEO Pay
From the American Federation of Labor and Congress of Industrial Organizations (AFL-CIO). A searchable database by either company name, ticker, industry or compensation size. Also includes artilces on the latest trends in CEO pay.
Employee Benefit Research Institute
Nonprofit, nonpartisan institute, producing objective research on employee benefit programs, whether governmental, private, or otherwise.
BLS: Occupational Outlook Handbook
The Bureau of Labor Statistics is the principal federal agency responsible for measuring labor market activity, working conditions, and price changes in the economy. The BLS OOH has career information on duties, education and training, pay, and outlook for hundreds of occupations.