6. Best Buy
Annual eCommerce Sales (in Millions): $3,780
Alexa Global Ranking: 330
IRPS score: 66
Size of the online company: 10th
One of America’s leading specialty retailer in the field of consumer electronics has had great success on the eCommerce front as well. Best Buy has carried on its positioning as one of the best places to shop for consumer electronics on to the digital platform with almost $4 billion in annual sales last year.