Company lists · Data verified August 2026

Top 25 E-commerce platform companies based in the United States

Name: E-commerce platform companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 2,224 companies tracked

There are 2,224 e-commerce platform companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 81,792 professional contacts across them, including 18,145 with verified work emails and 17,758 with mobile numbers. New York is the largest hub.

This list covers e-commerce platform companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

2,224Companies

81,792Contacts tracked

18,145Verified emails

17,758Mobile numbers

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The 25 largest e-commerce platform companies based in the United States

Ranked by team size

Top 25 of 2,224 e-commerce platform companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	EBAY	San Jose, CA	10001+	20,598	6,026
2	ETSY	Brooklyn, NY	1,001-5,000	6,638	1,459
3	Amazon	Seattle, WA	10001+	3,843	170
4	TEMU	Boston, MA	501-1,000	2,388	16
5	Whatnot	New York	1,001-5,000	1,341	728
6	ART Technology Group	Cambridge, MA	501-1,000	1,063	4
7	Spreetail	Hutchins, TX	1,001-5,000	827	433
8	Bigcommerce	Austin, TX	1,001-5,000	757	251
9	Ebay For Business	San Jose, CA	10001+	735	89
10	Constructor	San Francisco, CA	201-500	660	196
11	STORD	Union City, GA	1,001-5,000	621	267
12	RUE Gilt Groupe	Boston, MA	501-1,000	607	411
13	Commerceiq	Mountain View, CA	201-500	572	116
14	Printify	San Francisco California, CA	501-1,000	527	293
15	Digital River	Minnetonka, MN	1,001-5,000	496	132
16	Amla Commerce Creator Of Artifi And Znode	Milwaukee, WI	201-500	417	229
17	Sellerx	Miami	501-1,000	403	220
18	Pacvue	Los Angeles, CA	501-1,000	306	177
19	LEAP	New York, NY	201-500	282	47
20	SWAP	Austin, TX	201-500	262	158
21	Intershop Communications	Chicago, IL	201-500	219	107
22	DISTA	Mountain View, CA	201-500	201	46
23	Caastle	Mountain View, CA	201-500	200	108
24	Publicis Commerce	New York City	10001+	187	24
25	Momentum	Dallas, TX	1,001-5,000	169	48

Showing 25 of 2,224 e-commerce platform companies based in the United States

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E-commerce platform companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 197 HQs

17,758Contacts with mobile numbers

36Emails re-verified in last 30 days

Companies by employee count

1-10

990

11-50

832

51-200

267

201-500

501-1,000

1,001-5,000

10001+

E-commerce platform companies by metro

Metro	Companies
E-commerce platform companies in New York	197
E-commerce platform companies in Los Angeles	70
E-commerce platform companies in Miami	63
E-commerce platform companies in San Francisco	55
E-commerce platform companies in Sheridan	48
E-commerce platform companies in Austin	48
E-commerce platform companies in Chicago	35

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “e-commerce platform companies”, with match quality audited by blind human judging, and headquartered in the United States.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 36 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many e-commerce platform companies are there based in the United States?

There are 2,224 e-commerce platform companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

EBAY, headquartered in San Jose, tops this list with the largest team on record.

Which city has the most e-commerce platform companies?

New York leads with 197 headquartered companies, followed by Los Angeles (70) and Miami (63).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 18,145 verified decision-maker contacts tracked across these 2,224 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.