Top 10 E-commerce Companies in the USA 2026

Americans aren’t shopping through the side door online anymore. For a lot of households, online is now the front door.

The statistics tell the story. According to the U.S. Census Bureau, online sales for the second quarter of 2026 were $340.2 billion, seasonally adjusted. That equals 17.1% of all retail sales and is a jump of 12.2% from the same quarter last year. Online sales grew at about 5% a year in 2025. Now they’re growing at a double-digit clip again.

It isn’t just pure-play websites doing well. Warehouse clubs, grocers and home improvement chains now make billions of dollars online, and they use their stores as pickup points and mini warehouses to fill those orders.

Also Read: Top 10 eCommerce Companies in Dubai 2026

So how do you compare these companies? We used one common measure: each company’s most recent full year of online sales, as stated in its annual report or earnings release, or gross merchandise volume (GMV) for marketplaces like eBay and Etsy. Where a company reports only a share of sales, we used the dollar figure from its filings or management statements. All numbers are company-wide unless we say otherwise. We left Apple out because it doesn’t report its online sales.

Below are the top 10 e-commerce companies in the USA for 2026, what each one is good at, and who it’s best for.

Why US Shoppers and Brands Are Moving Online

There are four big reasons the biggest e-commerce companies in the USA keep growing their online business.

Faster Delivery

Same-day and next-day delivery used to be a perk. Now customers expect it. Amazon, Walmart and Target have all reported double-digit growth in fast delivery, which brings more everyday needs like groceries and household goods online.

Stores as Fulfillment Hubs

Most of these retailers ship from their stores or let you pick up orders there. Target fulfilled 97.6% of its 2025 merchandise sales through its stores. Home Depot says about half of its US online orders were fulfilled through a store. That keeps costs down and gets packages out faster.

Memberships and Subscriptions

Membership programs keep customers coming back. Amazon Prime, Walmart+, Target Circle 360 and Chewy’s Autoship all turn one-off buyers into repeat shoppers. Autoship alone made up 83.3% of Chewy’s net sales in fiscal 2025.

Marketplaces and Retail Media

Letting third-party merchants sell on their sites gives these companies a wider range without the inventory risk. Selling ads to brands has also become a big source of profit. Amazon’s advertising revenue grew 26% in the second quarter of 2026, and Walmart’s marketplace grew 52% in its latest quarter.

Top 10 E-commerce Companies in the USA at a Glance

Top 10 E-commerce Companies in the USA (2026)

Here is the full list, ranked by the latest full-year online sales or GMV each company has reported.

1. Amazon

Amazon was founded in 1994 and is headquartered in Seattle. It has the largest online sales in the US by far. In 2025, its online stores segment, which covers items Amazon sells directly, brought in US$269.3 billion. Third-party seller services added another US$172.2 billion, and total net sales came to US$716.9 billion.

Amazon is growing faster in 2026. Net sales rose 20% in the second quarter to US$200.6 billion, North America sales climbed 16% to US$116.2 billion, and advertising grew 26%. CEO Andy Jassy said Prime members got more than 40% more items delivered same-day or overnight in the first half of the year. Amazon Now, its ultra-fast delivery service, has expanded to 80 more US cities and towns. We’ll see what the third quarter brings on October 29, 2026.

Key E-commerce Strengths
✔ Largest product range and third-party seller base in the US
✔ Prime same-day and overnight delivery network
✔ Retail media business serving brands of every size
✔ Amazon Business for company purchasing

Best for: Shoppers who want range and speed, and brands that need national reach on day one.

2. Walmart

Walmart was founded in 1962 and is based in Bentonville, Arkansas. It’s still the largest retailer in the United States by total sales, and its online division is now huge in its own right. In fiscal 2026, the year that ended January 31, 2026, global e-commerce sales rose 24% to US$150.4 billion.

Walmart has kept up that pace. In the second quarter of fiscal 2027, which ended July 31, 2026, global e-commerce grew 23%, Walmart U.S. e-commerce grew 24%, and its marketplace grew 52%. Sam’s Club online sales in the US rose 26%. John Furner became president and CEO in February 2026. Its mix of stores, store-fulfilled delivery and a fast-growing marketplace makes Walmart Amazon’s closest rival.

Key E-commerce Strengths
✔ Store-based pickup and delivery across the country
✔ Walmart+ membership
✔ Fast-growing third-party marketplace
✔ Everyday low prices on groceries and essentials

Best for: Price-focused families and grocery shoppers who want delivery or pickup from a nearby store.

3. eBay

eBay was founded in 1995 and is headquartered in San Jose, California. Unlike Amazon or Walmart, it doesn’t hold inventory. It runs a marketplace where people buy and sell new, used, refurbished and collectible goods. In 2025, eBay had GMV of US$79.6 billion, about US$39.1 billion of it in the US, and revenue of US$11.1 billion.

With Jamie Iannone as CEO, eBay has focused on enthusiast categories such as collectibles, trading cards and pre-loved fashion. GMV grew 15% to US$22.4 billion in the second quarter of 2026, US GMV grew 24% to US$11.7 billion, and active buyers reached 136 million. On July 30, 2026, eBay completed its purchase of the resale app Depop for about US$1.4 billion in cash. GMV from eBay Live, its live shopping format, grew roughly eight times year over year.

Key E-commerce Strengths
✔ Collectibles, trading cards and refurbished goods
✔ Pre-loved fashion, now with Depop
✔ eBay Live shopping streams
✔ Low barrier to entry for small sellers

Best for: Collectors, resellers and bargain hunters looking for items that big-box stores do not carry.

4. Costco

Costco opened its first warehouse in Seattle in 1983 and is headquartered in Issaquah, Washington. It ended fiscal 2026, the 52 weeks to August 30, 2026, with 939 warehouses worldwide, 647 of them in the US and Puerto Rico. Net sales were US$297.2 billion, up 10.1%, and membership fees brought in US$5.91 billion.

Costco’s digital business is growing fast too. Digitally enabled comparable sales rose 20.9% for the year, and digitally enabled sales topped US$33 billion including third-party delivery, as reported by Zacks. Costco uses Instacart, DoorDash and Uber Eats for same-day delivery. Home furnishings, small electrics and hardware were among its strongest digital categories in the fourth quarter. Ron Vachris has been president and CEO since 2024.

Key E-commerce Strengths
✔ Membership model with strong loyalty
✔ Kirkland Signature private label
✔ Bulk and big-ticket items shipped to the home
✔ Same-day grocery delivery through partners

Best for: Members who buy in bulk and want warehouse prices without the trip.

5. The Home Depot

The Home Depot was incorporated in 1978 and is based in Atlanta. It’s the largest home improvement retailer in the United States, with fiscal 2025 net sales of US$164.7 billion. At its investor day in December 2025, the company said its online business generates about US$25 billion in sales a year.

Its stores do much of the work. About half of Home Depot’s US online orders in fiscal 2025 were fulfilled through a store, and it now offers same-day or next-day delivery on more than half of stocked items. Magic Apron, its generative AI shopping assistant, launched in October 2024. Home Depot is also leaning into professional contractors through SRS, which acquired GMS in fiscal 2025. Second-quarter fiscal 2026 sales rose 5.7% to US$47.9 billion.

Key E-commerce Strengths
✔ Buy online, pick up in store at more than 2,300 stores
✔ Delivery of bulky building materials
✔ Magic Apron AI shopping assistant
✔ Digital tools for Pro contractors

Best for: DIY homeowners and professional contractors ordering tools and materials.

6. Target

Target traces its corporate roots to 1902 and has its headquarters in Minneapolis. In fiscal 2025, Target’s digitally originated sales were US$21.1 billion, roughly a fifth of its US$102.7 billion in merchandise sales. Stores fulfilled 97.6% of merchandise sales, whether in person or through Drive Up, Order Pickup and same-day delivery.

Target has turned a corner in 2026 under CEO Michael Fiddelke. Second-quarter net sales rose 5.3% to US$26.5 billion. Comparable sales were up 3.8%, digital comparable sales rose 8.7%, and same-day delivery grew more than 25%. Target Circle 360 membership revenue helped drive a 20.1% increase in non-merchandise sales. Target had 2,019 stores as of August 1, 2026.

Key E-commerce Strengths
✔ Drive Up and Order Pickup
✔ Same-day delivery with Target Circle 360
✔ Strong owned brands in home, apparel and kids
✔ Stores used as local fulfillment hubs

Best for: Busy families who want style and convenience with fast pickup.

7. Kroger

Kroger was founded in 1883 and is headquartered in Cincinnati. It’s one of the biggest grocery chains in America, and its online sales have grown quickly. E-commerce sales topped US$16 billion in fiscal 2025, up from more than US$13 billion the year before, thanks to strong demand for delivery.

Kroger is changing how it fills those orders. It closed three automated fulfillment centers built with Ocado and is relying more on store-based fulfillment. Greg Foran, a former Walmart executive, became CEO in February 2026. In the second quarter of 2026, total sales reached US$34.6 billion and adjusted e-commerce sales grew 20%, even though identical sales grew only 0.2%.

Key E-commerce Strengths
✔ Grocery delivery and pickup
✔ Store-based fulfillment network
✔ Private-label brands such as Simple Truth
✔ Adjusted e-commerce sales up 20% in Q2 2026

Best for: Households that want their weekly grocery shop delivered or ready for pickup.

8. Chewy

Chewy was founded in 2011 and is headquartered in Plantation, Florida. It sells pet products, from food to pharmacy items, almost entirely online. Net sales grew 6.2% to US$12.6 billion in fiscal 2025, and active customers reached 21.3 million. Autoship, its repeat-delivery subscription, accounted for 83.3% of net sales.

CEO Sumit Singh has been expanding Chewy into pet health. Chewy Vet Care, its in-person veterinary practices, grew revenue by triple digits in the second quarter of fiscal 2026. Chewy has also added SmartEquine, formerly known as SmartPak, and the vet care provider Modern Animal. Second-quarter net sales rose 7.3% to US$3.33 billion, with 21.7 million active customers and Autoship making up 84.6% of sales.

Key E-commerce Strengths
✔ Autoship subscriptions
✔ Online pet pharmacy
✔ Chewy Vet Care clinics
✔ SmartEquine for horse owners

Best for: Pet owners who want food and medicine on a reliable schedule.

9. Wayfair

Wayfair was founded in 2002 by Niraj Shah and Steve Conine and has its headquarters in Boston. It’s one of the leading online sellers of furniture and home goods in the US. Net revenue grew 5.1% to US$12.5 billion in 2025, and US$11.0 billion of that came from the US.

Growth has picked up in 2026. Net revenue rose 7.5% to US$3.5 billion in the second quarter, US revenue grew 8.7% to US$3.1 billion, and active customers rose 3.3% to 21.7 million. The company generated its strongest free cash flow since 2020. Its plans also include physical retail stores as part of an omnichannel strategy. Niraj Shah is still CEO, co-founder and co-chairman.

Key E-commerce Strengths
✔ Very wide range of furniture and decor
✔ Delivery network built for bulky items
✔ Own brands such as AllModern, Joss & Main and Birch Lane
✔ Omnichannel plans that include physical stores

Best for: Homeowners and renters furnishing a room online.

10. Etsy

Etsy was founded in 2005 and has its headquarters in Brooklyn, New York. It’s an online marketplace that connects shoppers with independent sellers of handmade, vintage and custom goods. In 2025, Etsy reported consolidated gross merchandise sales of US$11.92 billion, a figure that still included Depop, and revenue of US$2.89 billion.

Since taking over as CEO on January 1, 2026, Kruti Patel Goyal has refocused the company on the core Etsy marketplace. Etsy sold Depop to eBay, and the sale closed on July 30, 2026. In the second quarter of 2026, Etsy marketplace GMS rose 7.5% to about US$2.6 billion, with revenue of US$668 million. The app accounted for about 47% of GMS, and active buyers stood at about 87 million.

Key E-commerce Strengths
✔ Handmade, vintage and personalized items
✔ Low-cost storefronts for small creators
✔ Growing mobile app
✔ Gift-focused shopping

Best for: Shoppers looking for unique gifts and small makers who want a ready audience.

How to Choose the Right E-commerce Partner in the USA

Whether you’re shopping online or deciding where to sell, here are the things to consider.

Delivery Speed and Coverage

Know how fast you can get delivery to your ZIP code, not just the national promise. Depending on where you live, store-based networks like Walmart, Target and Kroger may deliver faster than warehouse-only sellers.

Fees and Margins for Sellers

Be aware of the fees. Marketplaces charge referral fees, and sellers also pay for ads and fulfillment. Always work out the full cost per order of selling on Amazon, Walmart Marketplace, eBay and Etsy before you list.

Category Fit

Some companies are better at certain products. Chewy for pets, Wayfair for furniture, Home Depot for building materials and Etsy for handmade goods all draw buyers who know exactly what they want.

Returns and Customer Protection

Check the return policy. How long do you have to return a product, and who pays for return shipping? Reputable sellers state delivery times, return windows and refund terms clearly before you pay.

Membership Value

If you buy on these sites often, compare what Prime, Walmart+, Target Circle 360 and a Costco membership will actually save you on the things you buy. The cheapest membership isn’t always the best deal.

Frequently Asked Questions About E-commerce Companies in the USA

Which is the largest e-commerce company in the USA?

Amazon. Its online stores segment alone brought in US$269.3 billion in 2025, far ahead of Walmart’s US$150.4 billion in global e-commerce sales for fiscal 2026.

How big is US e-commerce in 2026?

The Census Bureau puts e-commerce sales at US$340.2 billion, seasonally adjusted, for the second quarter of 2026. That’s 17.1% of all retail sales. In the first half of 2026, e-commerce sales were US$668.1 billion, up 11.1% year over year.

Why is Apple not on this list?

Apple runs one of the busiest online stores in the country, but it doesn’t report its online sales separately. Since our ranking uses company-reported online figures, we couldn’t place it fairly on our list.

Which platform is best for small sellers?

There’s no single best choice. Amazon has the most shoppers, eBay suits pre-owned and collectible goods, and Etsy is built for handmade and vintage items. Many small brands sell on two or three platforms at once.

Conclusion

These are the top 10 e-commerce companies in the USA for 2026. Amazon still dominates the space, but Walmart, Costco, Home Depot, Target and Kroger have used their store networks to build online businesses worth billions of dollars each.

Specialists like eBay, Chewy, Wayfair and Etsy have carved out their own niches and continue to grow. With online sales growing at double digits again, expect this list to keep shifting as Q3 2026 results come in.

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