This recently released 58-page report from the Census Bureau offers a detailed summary of "retail sales, purchases, accounts receivable, and inventory" from January 1990 to December 1999.
The Census Bureau has released the 1996 Service Annual Survey which provides estimates of receipts, revenue, and other financial information for services industries. Tables are available for travel and lodging services, personal services, business and professional services, automotive repair and parking services, motion pictures and recreation services, health services and social services.