Company lists · Data refreshed November 2026

Top 25 Multi-vendor platform developers based in the United States

RevenueBase identified 228 company matches for multi-vendor platform developers associated with the United States as of November 2026 and tracks 7,713 professional contacts across them, including 2,517 with verified work emails. New York is the largest hub.

This list covers company matches for multi-vendor platform developers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
228Companies
7,713Contacts tracked
2,517Verified emails
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The 25 largest multi-vendor platform developers based in the United States

Ranked by team size
Top 25 of 228 company matches for multi-vendor platform developers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, United StatesHQ recorded Nov 5, 2026501-1,0001,014 contacts →

Exact match

“AppDirect is a San Francisco-based B2B subscription commerce platform company that brings together technology providers, advisors, and businesses to simplify how they buy, sell…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Nov 5, 20261,001-5,000727 contacts →

Exact match

“BigCommerce, powered by Commerce (Nasdaq: CMRC), is the flexible enterprise ecommerce platform built for growth without compromise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchPlano, TX, United StatesHQ recorded Nov 5, 2026501-1,000671 contacts →

Exact match

“With 28 years of innovation behind us, Rithum was formed when two industry pioneers, CommerceHub and ChannelAdvisor, joined forces to redefine commerce operations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchOviedo, FL, United StatesHQ recorded Nov 5, 2026n/a472 contacts →

Exact match

“Named one of the Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMilwaukee, WI, United StatesHQ recorded Nov 5, 2026201-500410 contacts →

Exact match

“Amla Commerce develops ecommerce software platforms.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-200167 contacts →

Exact match

“Parafin’s infrastructure powers financial services for marketplaces, vertical SaaS, payment platforms, and more.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchLos Angeles, CA, United StatesHQ recorded Nov 5, 202651-20075 contacts →

Exact match

“YOUR BRAND.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchConcord, CA, United StatesHQ recorded Nov 5, 202611-5071 contacts →

Exact match

“Shipturtle is a multi-vendor marketplace expert that will help you create a robust B2C/B2B/C2C e-commerce marketplace on Shopify.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchLehi, UT, United StatesHQ recorded Nov 5, 202651-20070 contacts →

Exact match

“Doba is a commerce platform serving suppliers and buyers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchWestlake Village, CA, United StatesHQ recorded Nov 5, 202611-5045 contacts →

Exact match

“Signature powers modern commerce with integrated systems built for speed and scale.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchPetaluma, CA, United StatesHQ recorded Nov 5, 202651-20042 contacts →

Exact match

“Since 1995, MarketLive, Inc, has been the leading provider of eCommerce technology and services that help fast-growing companies successfully sell goods and services online.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSan Francisco Bay, CA, United StatesHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“Flywl makes cloud marketplace procurement fast, simple, and secure.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchMiami, FL, United StatesHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“We are Square's most awarded developer partner in the world, 4 hackathon wins across 3 consecutive years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchPlano, TX, United StatesHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Broadleaf Commerce, LLC was founded in direct response to the emerging needs of online retailers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchDelray Beach, FL, United StatesHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Most ecommerce platforms work-until they don’t.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 202651-20026 contacts →

Exact match

“We've been developing eCommerce software since 2005.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchCastle Rock, CO, United StatesHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“MSQ's platform as a service (PasS) simplifies and improves workflow management by providing one vendor access point, managed through one portal.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Crstl is the agentic business network for the real economy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchCupertino, CA, United StatesHQ recorded Nov 5, 2026201-50021 contacts →

Exact match

“Inxeption is the leading technology platform digitizing the global Industrial Commerce value chain.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchDover, DE, United StatesHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“Spree is an open-source eCommerce framework giving you full control and customizability.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchDenver, CO, United StatesHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Poly is a modern middleware platform that streamlines the development and operation of integrations, microservices, and orchestrations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Proven allows firms to build custom supplier marketplaces of trusted vendors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchMarina Del Rey, CA, United StatesHQ recorded Nov 5, 202651-20020 contacts →

Exact match

“Solid Commerce is the operations platform built for high-volume, multi-channel eCommerce sellers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchIrvine, CA, United StatesHQ recorded Nov 5, 202651-20019 contacts →

Exact match

“Phelps United LLC, one of the fastest-growing companies in Orange County, CA, has provided technology and electronics manufacturers instant access across multiple B2B and B2C…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchAtlanta, GA, United StatesHQ recorded Nov 5, 202651-20018 contacts →

Exact match

“Itembase is the leading eCommerce API integration platform that helps eCommerce Solution and Service Providers globally connect with Shopping Carts, Marketplaces and POS Systems…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 228 multi-vendor platform developers based in the United States

See the full list, filter by size, metro and specialty, and access 2,517 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multi-vendor platform developers based in the United States at a glance

As of Nov 5, 2026
32.6%Verified-email coverage
33.8Average contacts per company
11-50Median size (employees)
9.2%Largest-city concentration · New York
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
89
11-50
94
51-200
32
201-500
4
501-1,000
6
1,001-5,000
2
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 228 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “multi-vendor platform developers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 2,517 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “multi-vendor platform developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many multi-vendor platform developers are there based in the United States?

RevenueBase identified 228 company matches for multi-vendor platform developers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Appdirect tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most multi-vendor platform developers?

New York leads with 21 company records, followed by Los Angeles (11) and Austin (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,517 professional contacts with verified work emails tracked across these 228 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.