Use the index in the back of the last volume to determine whether your company is included. The Library has a file of annual reports for about 400 companies in vertical files in the reference area. Annual reports are now often on the company's home page, or you may call the company. The 10-K reports which companies submit to the Securities and Exchange Commission are more explanatory than annual reports. Discussions of major company products are sometimes included.
Some periodical indexes are in electronic format, and some in print format.
Start your search for periodical articles early. You will probably need to use interlibrary loan for some articles, and it can take up to two weeks to obtain materials form other libraries. Try a keyword search by company name, industry, brand name, or product name. This partially full-text database is new to UWEC this January and we are in the process of installing it. Articles will be useful for many parts of this analysis.