When doing business research, it is useful to obtain the NAICS and SIC codes. For the company eBags, there are several NAICS and related SIC codes that one can use when researching its industry and competitors. These are as follows:
NAICS 448320 Luggage and Leather Goods Stores ; SIC 5948 (these codes relate to the bricks and mortar type of store)
NAICS 448150 Clothing Accessory Stores ; SIC 5611 Men’s and Boys’ Clothing and Accessory Stores (accessories); SIC 5632 (Women's Accessory and Specialty Stores (accessories); SIC 5699 Miscellaneous Apparel and Accessory Stores (accessories)
NAICS 454111 Electronic Shopping (this is not limited to the type of products that ebags offers).
It is important to know these codes in order to retrieve statistical information produced by the Census. You can also use these codes to search in some databases.
The links below will help you find other potential codes that might be relevant. For instance, there are some codes that from the manufacturing side that might be helpful.
One source you can use to apply NAICS codes is the Business Patterns database from the U.S. Census Bureau. This can help you determine what has been the trend in a particular industry from a National, County, Metro, and Zip Code perspective. Please note, however, that this will probably not include those establishments that are purely web-based.