Many public companies will have SWOT Analyses available in Business Source Premier.
Using Procter & Gamble as an example, the easiest way to find these reports is to enter the company name with the word SWOT in the search box. Consider searching for similar analyses on competitors.
Think of trade associations related to your product or industry. Check out both their publications and webpages.
Here are some trade publications and trade associations related to the beverage industry. Use one of the business databases such as ABI/Inform or Business Source Premier to search for articles on the industry or product in your area of interest. This will help you identify some of the relevant trade publications.
Beverage Industry Trade Publications
Beverage Industry Trade Associations