Recent quotes:

While U.S. retailers took in more than $4 trillion in revenues according to the most recent U.S. Census, wholesalers brought in $7.2 trillion selling everything from Bunsen burners to toner cartridges. Even better for Amazon: Of America’s 35,000 distributors, almost all are regional, family-run companies pulling in annual revenues of $50 million or less, and only 160 have more than $1 billion in sales annually. […] Amazon, meanwhile, booked more than $74 billion in revenues last year, selling everything from beds to server time with a viruslike strategy that values opportunity and disruption above short-term profitability. […] AmazonSupply.com launched quietly in April 2012 with 500,000 items for sale. Two years later, with the site still officially in beta, that list of products has grown to more than 2.2 million–covering 17 product categories from tools and home improvement to janitorial supplies, stocking everything from 12-packs of Hawaiian Punch to schedule-40 stainless steel pipe. If 2.2 million products doesn’t sound like a staggering figure on its own, consider that the average wholesaler sells closer to 50,000 products online. […]