Researching a market using NAICS and PSC codes

NAICS and PSC codes can help you find the most promising customers and understand spending on your products and services.

Using USAspending has data on all government spending, so a quick NAICS or PSC search can get you the data you need to size your market.  But you’ll need some experience with Excel.
USASpending Search

Using FedScout: FedScout has a free built in market sizing tool.  The underlying data is the same as USAspending’s but FedScout does the excel work for you.