Company lists · Data refreshed September 2026

Top 25 Enterprise software development consulting firms based in the United States

Name: Enterprise software development 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 24, 2026 26,357 companies tracked

RevenueBase identified 26,357 enterprise software development consulting firms headquartered in the United States as of September 2026 and tracks 631,931 professional contacts across them, including 172,158 with verified work emails and 120,718 with mobile numbers. New York is the largest hub.

This list covers enterprise software development consulting 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 24, 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 24, 2026 86% judged on-target in blind review

26,357Companies

631,931Contacts tracked

172,158Verified emails

120,718Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest enterprise software development consulting firms based in the United States

Ranked by team size

Top 25 of 26,357 enterprise software development consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise software development consulting 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	CSC	Indirect evidence	United StatesHQ checked Sep 24, 2026	n/a	26,791 contacts →
	Indirect evidence “At CSC, we do amazing things.” Source: RevenueBase Database · checked Sep 24, 2026
2	CDW	Indirect evidence	Vernon Hills, IL, United StatesHQ checked Sep 24, 2026	10001+	13,155 contacts →
	Indirect evidence “At CDW, we know how to make technology work so people can do great things.” Source: RevenueBase Database · checked Sep 24, 2026
3	Slalom	Partial evidence	Seattle, WA, United StatesHQ checked Sep 24, 2026	10001+	10,032 contacts →
	Partial evidence “Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always.” Source: RevenueBase Database · checked Sep 24, 2026
4	World Wide Technology	Indirect evidence	Maryland Heights, MO, United StatesHQ checked Sep 24, 2026	10001+	9,184 contacts →
	Indirect evidence “We are thinkers and doers.” Source: RevenueBase Database · checked Sep 24, 2026
5	Protiviti	Partial evidence	Menlo Park, CA, United StatesHQ checked Sep 24, 2026	5,001-10,000	8,779 contacts →
	Partial evidence “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Source: RevenueBase Database · checked Sep 24, 2026
6	Ci&t	Indirect evidence	New York, NY, United StatesHQ checked Sep 24, 2026	5,001-10,000	8,037 contacts →
	Indirect evidence “We are your global partner in tech-integrated business solutions, turning AI ambition into measurable business impact.” Source: RevenueBase Database · checked Sep 24, 2026
7	Yash Technologies	Partial evidence	East Moline, IL, United StatesHQ checked Sep 24, 2026	5,001-10,000	7,769 contacts →
	Partial evidence “YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…” Source: RevenueBase Database · checked Sep 24, 2026
8	R Systems	Strong evidence	El Dorado Hills, CA, United StatesHQ checked Sep 24, 2026	5,001-10,000	7,360 contacts →
	Strong evidence “RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Source: RevenueBase Database · checked Sep 24, 2026
9	Epicor	Indirect evidence	Austin, TX, United StatesHQ checked Sep 24, 2026	1,001-5,000	5,802 contacts →
	Indirect evidence “We’re here for the hard-working businesses that keep the world turning.” Source: RevenueBase Database · checked Sep 24, 2026
10	Dataart	Partial evidence	New York, NY, United StatesHQ checked Sep 24, 2026	5,001-10,000	5,249 contacts →
	Partial evidence “DataArt is a global software engineering firm that delivers breakthrough data, analytics, and AI platforms for the world’s most demanding organizations.” Source: RevenueBase Database · checked Sep 24, 2026
11	CGS Computer Generated Solutions	Partial evidence	New York, NY, United StatesHQ checked Sep 24, 2026	5,001-10,000	4,608 contacts →
	Partial evidence “For over 40 years, CGS has enabled global enterprises, regional companies, and government agencies to drive breakthrough performance through business applications, enterprise…” Source: RevenueBase Database · checked Sep 24, 2026
12	Isoftstone	Partial evidence	Plano, TX, United StatesHQ checked Sep 24, 2026	10001+	4,041 contacts →
	Partial evidence “iSoftStone is a global IT service and consulting company that creates value and drives success through technology solutions, service excellence, and digital innovation.” Source: RevenueBase Database · checked Sep 24, 2026
13	Iris Software INC	Partial evidence	Edison, NJ, United StatesHQ checked Sep 24, 2026	1,001-5,000	3,421 contacts →
	Partial evidence “Iris Software has been a trusted software engineering partner to several Fortune 500 companies for over three decades.” Source: RevenueBase Database · checked Sep 24, 2026
14	Visionet Systems INC	Indirect evidence	Cranbury, NJ, United StatesHQ checked Sep 24, 2026	10001+	3,119 contacts →
	Indirect evidence “Visionet is a premier digital technology solutions company built on the premise of disruptive innovation.” Source: RevenueBase Database · checked Sep 24, 2026
15	Genpact Headstrong Capital Markets	Partial evidence	Reston, VA, United StatesHQ checked Sep 24, 2026	10001+	3,109 contacts →
	Partial evidence “Genpact Headstrong Capital Markets is a global consulting and IT services company with a specialized focus in capital markets.” Source: RevenueBase Database · checked Sep 24, 2026
16	VEE Technologies	Partial evidence	Decatur, GA, United StatesHQ checked Sep 24, 2026	5,001-10,000	2,933 contacts →
	Partial evidence “Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.” Source: RevenueBase Database · checked Sep 24, 2026
17	Speridian Technologies	Strong evidence	Albuquerque, NM, United StatesHQ checked Sep 24, 2026	1,001-5,000	2,619 contacts →
	Strong evidence “Speridian Technologies is a global consulting and technology services firm that helps enterprises and public sector organizations modernize operations, enhance customer experience…” Source: RevenueBase Database · checked Sep 24, 2026
18	Oxford Global Resources	Indirect evidence	Beverly, MA, United StatesHQ checked Sep 24, 2026	501-1,000	2,564 contacts →
	Indirect evidence “Oxford Global Resources delivers tailored solutions for any technical challenges you are facing using our partnership-first approach.” Source: RevenueBase Database · checked Sep 24, 2026
19	People Tech Group INC	Partial evidence	Redmond, WA, United StatesHQ checked Sep 24, 2026	1,001-5,000	2,434 contacts →
	Partial evidence “People Tech Group is a leading Enterprise Solutions, Digital Transformation, Data Intelligence, and Modern Operation services provider.” Source: RevenueBase Database · checked Sep 24, 2026
20	Beyondsoft	Partial evidence	Bellevue, WA, United StatesHQ checked Sep 24, 2026	501-1,000	2,359 contacts →
	Partial evidence “Beyondsoft Consulting is a leading global mid-sized business IT and consulting company that combines modern technologies and proven methodologies to tailor solutions that move…” Source: RevenueBase Database · checked Sep 24, 2026
21	CTG	Indirect evidence	Amherst, NY, United StatesHQ checked Sep 24, 2026	5,001-10,000	2,264 contacts →
	Indirect evidence “CTG, a Cegeka company, is at the forefront of digital transformation, offering innovative IT solutions and services that accelerate your strategy and project momentum.” Source: RevenueBase Database · checked Sep 24, 2026
22	West Monroe	Partial evidence	Chicago, IL, United StatesHQ checked Sep 24, 2026	1,001-5,000	2,129 contacts →
	Partial evidence “West Monroe is a global business and technology consulting firm passionate about creating value for our clients.” Source: RevenueBase Database · checked Sep 24, 2026
23	IT Convergence	Partial evidence	Irving, IL, United StatesHQ checked Sep 24, 2026	501-1,000	1,950 contacts →
	Partial evidence “IT Convergence is a global Oracle Platinum Partner with a comprehensive service offering across all three pillars of the Cloud (IaaS, PaaS, SaaS), including Consulting/Advisory…” Source: RevenueBase Database · checked Sep 24, 2026
24	Gspann Technologies, INC	Strong evidence	Milpitas, CA, United StatesHQ checked Sep 24, 2026	1,001-5,000	1,878 contacts →
	Strong evidence “GSPANN is a US-based consulting services provider focused on implementations in Enterprise Content Management (ECM), Business Intelligence & Mobile Solutioning initiatives.” Source: RevenueBase Database · checked Sep 24, 2026
25	Exadel	Strong evidence	Walnut Creek, CA, United StatesHQ checked Sep 24, 2026	1,001-5,000	1,874 contacts →
	Strong evidence “Exadel is a leading global software consulting and development company that looks beyond the code to maximize the technology-driven business impact our partners want to make.” Source: RevenueBase Database · checked Sep 24, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise software development consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise software development consulting firms.
Partial evidence: Its own public description names part of enterprise software development consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise software development consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 26,357 enterprise software development consulting firms based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 172,158 reachable decision-makers.

Free signup · no credit card

View the full list →

Enterprise software development consulting firms based in the United States at a glance

As of Sep 24, 2026

27.2%Verified-email coverage

19.1%Mobile-number coverage

24.0Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · New York

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

12,875

11-50

8,122

51-200

3,859

201-500

944

501-1,000

310

1,001-5,000

151

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

128,5610–30

38,62331–60

2,51061–90

12390–180

2,341180+

Company record updated

Median 87.0d

00–30

105,51031–60

274,73361–90

218,75190–180

32,937180+

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 enterprise software development consulting 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 “enterprise software development consulting 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 enterprise software development consulting 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 enterprise software development consulting 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, 172,158 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 24, 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.

Enterprise software development consulting firms by metro

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 enterprise software development consulting 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 enterprise software development consulting firms are there based in the United States?

RevenueBase identified 26,357 enterprise software development consulting 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?

CSC, headquartered in United States, tops this list with the largest team on record.

Which city has the most enterprise software development consulting firms?

New York leads with 950 headquartered companies, followed by Houston (571) and Austin (523).

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 172,158 verified decision-maker contacts tracked across these 26,357 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 24, 2026.

Ready to reach these companies? Verified emails and direct dials for all 26,357 enterprise software development consulting firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Enterprise software development consulting firms by geography

Browse the directory

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.