Amazon is expected to have crossed $119 billion in U.S. e-commerce sales last year, but Walmart was the fastest grower at nearly 45%, according to Internet Retailer projections.

The online hardware and home improvement industry grew 23.3% to $40.26 billion in 2017. Total retail sales in the category, which include sales online, in stores and via catalogs, grew 7.1% to $435.41 billion in 2017. E-commerce represented 9.2% of total hardware and home improvement retail sales in 2017, up from 8.0% last year.