It’s B2B sales 101. Using standard industry classifications for market segmentation is commonplace. Need to sell to the finance industry? Use SIC code 6199, and you'll quickly find a list of companies in that industry.
If you sell to particular verticals, it's easy to see why Industry classifications are essential for proper B2B segmentation. They can assist in identifying the particular organizations that benefit from your product or service and then selling to them. However, traditional industry codes, like NAICS and SIC, have two major weaknesses: