Company lists · Data refreshed September 2026

Top 25 Market sizing firms based in the United States

RevenueBase identified 1,523 market sizing firms headquartered in the United States as of September 2026 and tracks 26,222 professional contacts across them, including 6,778 with verified work emails. New York is the largest hub.

This list covers market sizing firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
1,523Companies
26,222Contacts tracked
6,778Verified emails
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The 25 largest market sizing firms based in the United States

Ranked by team size
Top 25 of 1,523 market sizing firms based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to market sizing firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York, NY, United StatesHQ checked Sep 20, 20265,001-10,000821 contacts →

Indirect evidence

“In our world of rapid change, the need for reliable information to make confident decisions has never been greater.”

Source: RevenueBase Database · checked Sep 20, 2026
2Partial evidenceIselin, NJ, United StatesHQ checked Sep 20, 20261,001-5,000795 contacts →

Partial evidence

“Today’s markets demand new research methods.”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceNew York, NY, United StatesHQ checked Sep 20, 2026501-1,000734 contacts →

Indirect evidence

“Founded in 2007, Jasper Colin is a leading provider of comprehensive research and analytics services, powered by technology and backed by a growing team of industry experts.”

Source: RevenueBase Database · checked Sep 20, 2026
4Partial evidenceNew York, NY, United StatesHQ checked Sep 20, 2026201-500574 contacts →

Partial evidence

Market Research Future (MRFR) is one of the most trusted firms for syndicated research services.”

Source: RevenueBase Database · checked Sep 20, 2026
5Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 20, 2026501-1,000539 contacts →

Partial evidence

“Grand View Research is an end-to-end market research technology and consulting business.”

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceWilmington, DE, United StatesHQ checked Sep 20, 2026501-1,000508 contacts →

Partial evidence

“Driven by innovation and value addition approach, Allied Market Research is instrumental in market research and business consulting across various industry verticals since its…”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceArlington, VA, United StatesHQ checked Sep 20, 2026201-500405 contacts →

Indirect evidence

“Hanover is a leading provider of research and analytics for thousands of organizations worldwide.”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceBrowns Summit, NC, United StatesHQ checked Sep 20, 202651-200391 contacts →

Partial evidence

“Stop and Shop is a market research company based out of Osceola Ossipee Rd, Browns Summit, North Carolina, United States.”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceSelbyville, DE, United StatesHQ checked Sep 20, 2026201-500339 contacts →

Partial evidence

“Global Market Insights Inc, headquartered in Selbyville Delaware, USA, is a global market research and consulting service provider; offering syndicated and custom research reports…”

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceNewark, DE, United StatesHQ checked Sep 20, 2026501-1,000325 contacts →

Partial evidence

“Celebrating a decade of excellence, Future Market Insights (FMI) has been at the forefront of providing customized, syndicated market research and comprehensive consulting…”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceWilmington, DE, United StatesHQ checked Sep 20, 2026201-500325 contacts →

Partial evidence

“Transparency Market Research Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
12Partial evidenceWashington Dc, DC, United StatesHQ checked Sep 20, 2026201-500319 contacts →

Partial evidence

“Verified Market Research (VMR) boasts the most extensive library of B2B niche market insights, with over 323,742 cutting-edge reports as of Q3 2023, reflecting a robust growth…”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceNew York, NY, United StatesHQ checked Sep 20, 202651-200312 contacts →

Indirect evidence

“NewtonX is the only B2B research intelligence platform that delivers AI-speed insights with data you can trace.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceNew York, NY, United StatesHQ checked Sep 20, 202651-200269 contacts →

Partial evidence

“Fuld are competitive strategy advisors that help clients anticipate competitive activity, see beyond market disruptions and develop or refine forward-looking business strategies.”

Source: RevenueBase Database · checked Sep 20, 2026
15Partial evidenceNew York, United StatesHQ checked Sep 20, 2026501-1,000243 contacts →

Partial evidence

“Mergermarket blends market-leading human insights, advanced machine learning and 30+ years of Dealogic data to deliver the earliest possible signals of potential M&A…”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-200240 contacts →

Indirect evidence

“Your trusted custom research and data analysts.”

Source: RevenueBase Database · checked Sep 20, 2026
17Partial evidenceTroy, MI, United StatesHQ checked Sep 20, 202651-200238 contacts →

Partial evidence

“Named one of America's Top Management Consulting Firms 2026 by Business Insider, Ducker Carlisle is a global market research, strategy consulting and M&A advisory firm that helps…”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceNew York, NY, United StatesHQ checked Sep 20, 2026n/a231 contacts →

Partial evidence

“Smarter Insights for Sustainable Brand Growth Navigate your market with confidence.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceNew York, NY, United StatesHQ checked Sep 20, 202651-200230 contacts →

Indirect evidence

“Companies rely on us for strategic business-building guidance to optimize brand offerings, identify clear innovations, and develop compelling customer propositions.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceChicago, IL, United StatesHQ checked Sep 20, 202651-200229 contacts →

Partial evidence

“Blackstone Group is a full-service custom marketing research and consulting firm providing clients with actionable insights for over 25 years.”

Source: RevenueBase Database · checked Sep 20, 2026
21Partial evidenceFremont, CA, United StatesHQ checked Sep 20, 202651-200228 contacts →

Partial evidence

“BIS Research is a leading global market intelligence, research, and advisory company that focuses on those emerging trends in technology which are likely to disrupt the dynamics…”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceNew York, United StatesHQ checked Sep 20, 202651-200202 contacts →

Indirect evidence

“BWG Global has set the industry standard as the premier provider of industry intelligence to more than professionals across investment firms and corporations.”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceFairfax, VA, United StatesHQ checked Sep 20, 20265,001-10,000197 contacts →

Indirect evidence

“As of April of 2009, Macro International is now part of ICF.”

Source: RevenueBase Database · checked Sep 20, 2026
24Partial evidenceBlue Ash, United StatesHQ checked Sep 20, 202651-200195 contacts →

Partial evidence

“For 40 years, MarketVision Research has provided its clients with innovative design, execution and interpretation of marketing research to deliver fresh consumer insights and…”

Source: RevenueBase Database · checked Sep 20, 2026
25Partial evidenceNew York, NY, United StatesHQ checked Sep 20, 202651-200191 contacts →

Partial evidence

“Research Nester is a global consulting firm that works with the most aspirational facilitators to define the future market strategies.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 1,523 market sizing firms based in the United States

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Market sizing firms based in the United States at a glance

As of Sep 20, 2026
25.8%Verified-email coverage
17.2Average contacts per company
1-10Median size (employees)
8.4%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
809
11-50
441
51-200
198
201-500
49
501-1,000
16
1,001-5,000
3
5,001-10,000
4
10001+
3

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 1,523 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among market sizing firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “market sizing firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names market sizing firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among market sizing firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 6,778 across the full list. 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 September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names market sizing firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many market sizing firms are there based in the United States?

RevenueBase identified 1,523 market sizing firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Ipsos In US, headquartered in New York, tops this list with the largest team on record.

Which city has the most market sizing firms?

New York leads with 128 headquartered companies, followed by Chicago (39) and San Francisco (32).

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 6,778 verified decision-maker contacts tracked across these 1,523 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.