Text from John Juricek's Business LibGuide
To understand a company and its competition, you need to understand the industry of which it is a part, even if you are looking for information about a niche industry.
Finding information about an industry includes the following steps:
Each information tool uses its own industry groupings and covers different industries
Small industries are often reported as part of larger industries in government data and other information sources
Quality, availability and cost of association information varies widely. Some of it is only available to members or for a fee
Emerging industries are difficult to research