The IRS’s Statistics of Income Division has released 2008 Corporation Income Tax Return data:

This report contains data by industry on assets, liabilities, receipts, deductions, net income, income subject to tax, tax, and credits. Data are also classified by size of total assets, by size of business receipts, and by size of income tax after credits. Other classifications include returns with net income, return types and other selected subjects. More detailed statistics for the industries shown in Table 1 of this report are available in Publication 1053, Source Book of Statistics of Income – 2008.

In addition, special Statistics of Income tabulations based on corporation income tax returns for 2008 can be produced upon request on a reimbursable basis. Requests for this service should be addressed to the Director, Statistics of Income Division, at the address shown above.