There are six books at the Reference Desk worth looking at:
Many of the statistical data sets in the preceding four books are collected by the U.S. Census Bureau. The Economic Census, conducted every five years, covers retail trade, wholesale trade, service industries, construction industries, manufactures, mineral industries, transportation, communications, utilities, and financial, insurance, and real estate industries. Check at the Reference Desk for the latest volumes, or visit the U.S. Census Bureau Website.
Other current statistics may also be found at the U.S. Census Bureau website, such as the County Business Patterns.