Company lists · Data refreshed November 2026

Top 25 Accelerator companies based in the United States

RevenueBase identified 2,155 company matches for accelerator companies associated with the United States as of November 2026 and tracks 29,648 professional contacts across them, including 4,613 with verified work emails. New York is the largest hub.

This list covers company matches for accelerator companies 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 6, 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 6, 2026 How this list was built
2,155Companies
29,648Contacts tracked
4,613Verified emails
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The 25 largest accelerator companies based in the United States

Ranked by team size
Top 25 of 2,155 company matches for accelerator companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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, CA, United StatesHQ recorded Nov 6, 2026n/a3,704 contacts →

Exact match

“Y Combinator is the leading startup accelerator for entrepreneurs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchRedmond, WA, United StatesHQ recorded Nov 6, 202610001+1,711 contacts →

Exact match

“Microsoft for Startups helps startups grow faster through Startup credits, industry‑leading AI services, technical documentation and support, plus go‑to‑market and co‑sell…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-5001,443 contacts →

Exact match

“Techstars helps founders scale their startups into world-changing businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026n/a984 contacts →

Exact match

“The Founder Institute is the World’s Largest AI-Native Company Builder, where ambitious professionals, solo founders, and first-time entrepreneurs go to turn ideas into funded…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,000589 contacts →

Exact match

“LvlUp Ventures is a global venture capital firm investing in and accelerating early-stage & late-stage startups.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026n/a436 contacts →

Exact match

“Startup Grind is the leading global startup community dedicated to fostering the growth of early-stage companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200418 contacts →

Exact match

“Primary is the world's largest early stage VC firm, with a billion in assets under management and 50 full time employees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a310 contacts →

Exact match

“Our mission is to help more people start better startups.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLexington, KY, United StatesHQ recorded Nov 6, 2026n/a284 contacts →

Exact match

“Based in Lexington, Kentucky, Awesome Inc: 🤝 Grows community through events, education, and entrepreneurship Throws the largest pitch competition in the region, 5 Across Helps…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a254 contacts →

Exact match

“The Alchemist Accelerator is a venture-backed initiative focused on accelerating the development of seed-stage ventures that monetize from enterprises (not consumers).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchUnited StatesHQ recorded Nov 6, 2026n/a246 contacts →

Exact match

“F6S helps millions of founders and their companies grow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a226 contacts →

Exact match

“Neo is a diverse mentorship community, startup accelerator, and VC fund.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026n/a182 contacts →

Exact match

“VC Lab is the world's leading venture capital accelerator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMadison, WI, United StatesHQ recorded Nov 6, 202651-200177 contacts →

Exact match

“gener8tor fosters innovation ecosystems through its accelerator programs, venture funds, and skills-based workforce initiatives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Ramon, CA, United StatesHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“Aximsoft facilitates startups to build the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026n/a155 contacts →

Exact match

“SKU is the original accelerator for the next generation of consumer brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPalo Alto, United StatesHQ recorded Nov 6, 202611-50133 contacts →

Exact match

“Sutter Hill Ventures has financed technology-based start-ups and assisted entrepreneurs in building market-leading companies since 1962.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 202611-50128 contacts →

Exact match

“DTC invests in determined early-stage founders who push the envelope on technology innovation for the enterprise, connecting them to the capital, expertise, and customers they…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMiami, CA, United StatesHQ recorded Nov 6, 202651-200120 contacts →

Exact match

“Atomic is the venture studio that pioneered the model of starting companies by pairing founders with the best ideas, teams, and resources.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 202611-50116 contacts →

Exact match

“Silicon Catalyst is the only incubator + accelerator focused on the Global Semiconductor Industry including Chips, Chiplets, Materials, IP and Silicon fabrication-based Photonics…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMountain View, CA, United StatesHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Sand Hill Angels is a group of Silicon Valley angel investors passionate about helping entrepreneurs get to the next level.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5096 contacts →

Exact match

“MedTech Innovator is the largest and most impactful accelerator in the world for medical device, digital health and diagnostic companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNY, United StatesHQ recorded Nov 6, 2026n/a94 contacts →

Exact match

“Entrepreneurs Roundtable Accelerator (ERA) is New York City’s leading technology accelerator and early-stage venture capital fund.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“The Band of Angels is Silicon Valley's oldest seed funding organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 202611-5087 contacts →

Exact match

“The Nasdaq Center is an invaluable and prestigious resource for founders and leaders worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,155 accelerator companies based in the United States

See the full list, filter by size, metro and specialty, and access 4,613 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accelerator companies based in the United States at a glance

As of Nov 6, 2026
15.6%Verified-email coverage
13.8Average contacts per company
1-10Median size (employees)
10.5%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,529
11-50
491
51-200
73
201-500
35
501-1,000
11
1,001-5,000
6
5,001-10,000
2
10001+
5

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 2,155 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 “accelerator companies” 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 4,613 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 6, 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 “accelerator companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accelerator companies are there based in the United States?

RevenueBase identified 2,155 company matches for accelerator companies 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?

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

Which city has the most accelerator companies?

New York leads with 227 company records, followed by San Francisco (178) and Los Angeles (64).

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 4,613 professional contacts with verified work emails tracked across these 2,155 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 6, 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.