How many ecommerce companies are there in the US?
At least 80,315.
In 2002 there are 80,315 non-store retailers engaged in electronic shopping or ecommerce in the United States. This is based on figures from the Industry Statistics Sampler of the US Census Bureau. 64,405 or 80% of e-commerce companies have no paid employees and are classified as nonemployers. Though no more current figures exist, it can be deduced that the present number of e-commerce companies are far greater.