Company lists · Data refreshed November 2026

Top 25 Startup companies based in the United States

RevenueBase identified 2,445 company matches for startup companies associated with the United States as of November 2026 and tracks 33,928 professional contacts across them, including 7,820 with verified work emails. New York is the largest hub.

This list covers company matches for startup 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
2,445Companies
33,928Contacts tracked
7,820Verified emails
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The 25 largest startup companies based in the United States

Ranked by team size
Top 25 of 2,445 company matches for startup 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 matchFort Mill, SC, United StatesHQ recorded Nov 6, 20261,001-5,0002,140 contacts →

Exact match

“Red Ventures is a global portfolio of high-growth companies, and a place where ambitious people come to build, grow, and scale businesses.”

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 matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500643 contacts →

Exact match

“Insight Partners is a global software investor partnering with high-growth technology, software, and Internet startup and ScaleUp companies that are driving transformative change…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a629 contacts →

Exact match

“Hustle Fund is a venture capital firm investing in hilariously-early pre-seed founders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
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, 2026201-500414 contacts →

Exact match

“Bessemer Venture Partners helps entrepreneurs lay strong foundations from inception to build enduring companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchManchester, NH, United StatesHQ recorded Nov 6, 202651-200406 contacts →

Exact match

“Founded in 2014, we’re America’s largest venture firm for individual investors and VC investing partner to over individuals and institutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchSan Francisco Bay, CA, United StatesHQ recorded Nov 6, 202651-200279 contacts →

Exact match

“GV supports innovative founders across multiple stages and sectors, from artificial intelligence and life sciences to consumer platforms, enterprise software, and frontier…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200242 contacts →

Exact match

“Battery invests in potentially cutting-edge, category-defining businesses in markets including application software, IT infrastructure technologies, consumer-internet and mobile…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCambridge, MA, United StatesHQ recorded Nov 6, 2026n/a216 contacts →

Exact match

“Founded in 1987, Highland Capital Partners is a venture capital firm focused on putting the entrepreneur first.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a211 contacts →

Exact match

“Village Capital is reinventing the system to back the entrepreneurs of the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202651-200211 contacts →

Exact match

“DFJ is a venture capital firm that partners with extraordinary entrepreneurs who are changing the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a205 contacts →

Exact match

“NextGen Venture Partners works with over 1,800 Venture Partners to invest $1 million in seed stage companies and $2 million to $10 million in companies with more than $10 million…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, United StatesHQ recorded Nov 6, 2026n/a195 contacts →

Exact match

“ff Venture Capital (ffVC) is focused on investing in early-stage technology and technology-enabled companies, and has been since 2008.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWoodside, CA, United StatesHQ recorded Nov 6, 2026n/a167 contacts →

Exact match

“Benchmark is an early-stage venture capital firm investing in AI, open-source, marketplaces, infrastructure and enterprise software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a164 contacts →

Exact match

“First Round is a venture capital firm that works with founders exclusively at the earliest stages of company building, often when all they have is an “imagine if.” We fill in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 2026n/a152 contacts →

Exact match

“We’re specialists in pre-seed and seed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGilbert, AZ, United StatesHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“eReleGo Technologies Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 2026n/a135 contacts →

Exact match

“GoAhead Ventures is a Venture Capital fund based in Silicon Valley managing over $250M in AUM.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200134 contacts →

Exact match

“Burkland gives startups a solid foundation to grow with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 2,445 startup companies based in the United States

See the full list, filter by size, metro and specialty, and access 7,820 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Startup companies based in the United States at a glance

As of Nov 6, 2026
23.0%Verified-email coverage
13.9Average contacts per company
1-10Median size (employees)
12.8%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,865
11-50
469
51-200
83
201-500
19
501-1,000
3
1,001-5,000
4

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 2,445 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 “startup 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 7,820 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 “startup companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 2,445 company matches for startup 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 startup companies?

New York leads with 313 company records, followed by San Francisco (294) and Los Angeles (85).

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 7,820 professional contacts with verified work emails tracked across these 2,445 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.