Company lists · Data refreshed September 2026

Top 25 Vendor consulting firms based in the United States

Name: Vendor consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 3,065 companies tracked

RevenueBase identified 3,065 company matches for vendor consulting firms associated with the United States as of September 2026 and tracks 19,143 professional contacts across them, including 5,351 with verified work emails. New York is the largest hub.

This list covers company matches for vendor consulting firms 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 September 21, 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 Sep 21, 2026 How this list was built

3,065Companies

19,143Contacts tracked

5,351Verified emails

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The 25 largest vendor consulting firms based in the United States

Ranked by team size

Top 25 of 3,065 company matches for vendor consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	W3global	Exact match	Frisco, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	1,149 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Northern Lights Technology Development	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 21, 2026	501-1,000	368 contacts →
	Exact match “At Northern Lights, we take pride in providing exceptional services using our dedicated team of employees, not contractors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Assyst	Exact match	Sterling, VA, United StatesHQ recorded Sep 21, 2026	51-200	284 contacts →
	Exact match “ASSYST is an agile, CMMC-certified, CMMI Maturity Level 3, and ISO 9001, ISO and ISO 27001-certified technology and consulting firm that helps government agencies modernize…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Bridge Partners	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	201-500	247 contacts →
	Exact match “Bridge Partners is a people-focused, customer-driven consulting firm that helps organizations transform to drive revenue growth, adapt to change, and create customer value.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Scottmadden, INC	Exact match	Raleigh, NC, United StatesHQ recorded Sep 21, 2026	201-500	244 contacts →
	Exact match “ScottMadden is a management consulting firm that does what it takes to get the job done right.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Mosaic Consulting Group	Exact match	Nashville, TN, United StatesHQ recorded Sep 21, 2026	201-500	221 contacts →
	Exact match “Mosaic Consulting Group brings together deep expertise, proven best practices, and hands-on experience from hundreds of client engagements to help organizations transform how they…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Bryant Park Consulting	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	201-500	191 contacts →
	Exact match “We champion a culture of innovation to help our clients build the future of business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	3s Business Corporation INC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	185 contacts →
	Exact match “3S Business Corporation is a specialized Software & Consulting Services Provider based in Houston, TX, which helps clients plan, implement and maintain their technology…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Mamsys World	Exact match	Solon, OH, United StatesHQ recorded Sep 21, 2026	201-500	176 contacts →
	Exact match “Mamsys is a global consulting & solutioning company that helps organizations grow revenue, improve operational efficiency, and strengthen their people capabilities-at scale and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	TBC	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 21, 2026	51-200	161 contacts →
	Exact match “Since 1996, TBC has specialized in helping organizations leverage technology to boost performance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	ITAC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	n/a	150 contacts →
	Exact match “ITAC is a leading consulting organization located in New York City.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Idea Entity	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	145 contacts →
	Exact match “Idea Entity makes ideas real through the application of technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Blytheco	Exact match	Irvine, CA, United StatesHQ recorded Sep 21, 2026	51-200	133 contacts →
	Exact match “For over 45 years, Blytheco has been the transformation partner of choice for over companies nationwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Telesolv Consulting	Exact match	Washington, DC, United StatesHQ recorded Sep 21, 2026	201-500	132 contacts →
	Exact match “To become a demand business, an organization must constantly improve the value created by its core business processes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Adam Infotech	Exact match	Madison, WI, United StatesHQ recorded Sep 21, 2026	201-500	128 contacts →
	Exact match “We are one of the fastest growing, privately-held business and technology firms in the U.S-growing organically at an annualized rate of over 100% since establishment in 2007.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Fulcrum Technology Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	124 contacts →
	Exact match “The Fulcrum team of technologists are recognized experts in the fields of IT Infrastructure Technology, Security, Service Management and Support.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	SVA Consulting	Exact match	Madison, WI, United StatesHQ recorded Sep 21, 2026	51-200	122 contacts →
	Exact match “SVA Consulting Business leaders hire us to help them tackle complex challenges associated with business growth and transformation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Pureintegration	Exact match	Reston, VA, United StatesHQ recorded Sep 21, 2026	51-200	105 contacts →
	Exact match “The epitome of ‘punching above our weight’, pureIntegration is the secret weapon you may never have heard of.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Supply Chain Resources Group, INC	Exact match	Allen, TX, United StatesHQ recorded Sep 21, 2026	201-500	104 contacts →
	Exact match “SCRG helps product companies manage, improve and optimize the value of their key offshore supplier relationships.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	CGN Global	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	201-500	104 contacts →
	Exact match “A Chicago-based firm with offices in Mexico, the UK, France, Turkey, India, and China, providing supply chain, digital, strategy and transformation consulting services to…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	CFO Solutions	Exact match	Amherst, MA, United StatesHQ recorded Sep 21, 2026	51-200	98 contacts →
	Exact match “CFO Solutions was founded by industry professionals with expertise as software developers, “Big 4” consultants, and Corporate Controller/CPAs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Intuites	Exact match	Johns Creek, United StatesHQ recorded Sep 21, 2026	51-200	97 contacts →
	Exact match “Intuites (IES) is a leading software development and consulting firm that is ready to meet every need of your company, firm or corporations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Engage FI	Exact match	Orlando, FL, United StatesHQ recorded Sep 21, 2026	51-200	94 contacts →
	Exact match “Engage fi was founded on the principle of putting ourselves in our clients’ shoes to understand their needs, their business objectives, and their definition of success.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Ascendeum	Exact match	Bordentown, NJ, United StatesHQ recorded Sep 21, 2026	51-200	94 contacts →
	Exact match “Ad Tech Strategy Consulting Ascendeum is your on-demand dream team.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Shields Facilities Maintenance, LLC	Exact match	Blue Bell, PA, United StatesHQ recorded Sep 21, 2026	51-200	89 contacts →
	Exact match “Shields Facilities Management, LLC, is a national, world-class vendor management company boasting an extensive network of vendors, customized customer relationship management…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “vendor consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,065 vendor consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 5,351 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Vendor consulting firms based in the United States at a glance

As of Sep 21, 2026

28.0%Verified-email coverage

6.2Average contacts per company

1-10Median size (employees)

4.3%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

2,257

11-50

605

51-200

156

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 3,065 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 “vendor consulting firms” 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 5,351 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 September 21, 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.

Vendor consulting firms by metro

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 “vendor consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many vendor consulting firms are there based in the United States?

RevenueBase identified 3,065 company matches for vendor consulting firms associated with the United States as of September 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?

W3global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most vendor consulting firms?

New York leads with 131 company records, followed by Houston (63) and Atlanta (60).

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 5,351 professional contacts with verified work emails tracked across these 3,065 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 September 21, 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.