Yahoo's Marketing Section links to many other sites with marketing information. This site is trying to sell you a marketing CD-ROM and it requires free registration. However, after registering, there is some useful market share data under the Market Analysis Reports category.
Many articles are available in full text.
In depth indexing of the Wall Street Journal and Barron's . Moody's Industry Review Provides key financial information for 137 industry groups. County Business Patterns Number of establishments, employment, and payroll by industry, reported annually for the U.S., states and counties. 1 Montana Specific Sources Library Location Montana Business Directory Provides listings of Montana businesses by SIC, yellow pages category, and city. Some basic economics of the county not available elsewhere.