Company lists · Data refreshed November 2026

Top 23 IT system integration services based in the United States

Name: IT system integration services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,333 companies tracked

RevenueBase identified 6,333 company matches for IT system integration services associated with the United States as of November 2026 and tracks 163,436 professional contacts across them, including 54,297 with verified work emails. New York is the largest hub.

This list covers company matches for IT system integration services 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

6,333Companies

163,436Contacts tracked

54,297Verified emails

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The 23 largest IT system integration services based in the United States

Ranked by team size

Top 23 of 6,333 company matches for IT system integration services 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 6, 2026	10001+	13,669 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	World Wide Technology	Exact match	Maryland Heights, MO, United StatesHQ recorded Nov 6, 2026	10001+	9,996 contacts →
	Exact match “We are thinkers and doers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	BOOMI	Exact match	Conshohocken, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,725 contacts →
	Exact match “Connect everything to achieve anything™ #TeamBoomi” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Astreya	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,524 contacts →
	Exact match “Astreya is the leading IT solutions provider for some of the world's most recognizable and innovative organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,994 contacts →
	Exact match “IES Communications, a division of IES Holdings, Inc.(NASDAQ: IESC), is a national technology infrastructure integrator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	GURU	Exact match	Rockville, MD, United StatesHQ recorded Nov 6, 2026	n/a	1,941 contacts →
	Exact match “Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Terralogic	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,389 contacts →
	Exact match “Our foundation has been one of the top IT service provider companies -accentuating new heights in providing technology services for the connected world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Solugenix	Exact match	Brea, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,151 contacts →
	Exact match “Technology only matters when it helps the business run better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	PCM The Right Technology, Delivered	Exact match	El Segundo, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,140 contacts →
	Exact match “PCM is a division of Insight \| Together, we’ll help you navigate complex IT challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	GDT	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	1,072 contacts →
	Exact match “As an award-winning, global IT solutions provider, we are changing the nature of transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	programmers.io	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,063 contacts →
	Exact match “IBM i is evolving.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	CDW G	Exact match	Vernon Hills, United StatesHQ recorded Nov 6, 2026	5,001-10,000	952 contacts →
	Exact match “At CDW, our experts partner with you to build IT solutions that don’t just solve problems – they create opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Infojini INC	Exact match	Columbia, NJ, United StatesHQ recorded Nov 6, 2026	501-1,000	877 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Amtex Systems INC	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	815 contacts →
	Exact match “Founded in 1997, with headquarters on Wall Street, New York, Amtex operates across four continents, delivering digital solutions and technical expertise in software, BI, mobile…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Systems Engineering Services Corporation Sesc	Exact match	Reston, DE, United StatesHQ recorded Nov 6, 2026	201-500	812 contacts →
	Exact match “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	System Soft Technologies	Exact match	Tampa, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	755 contacts →
	Exact match “System Soft Group is an IT services and solutions company that helps organizations overcome limited managed IT capabilities and achieve key technology goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Primus Global Services	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	739 contacts →
	Exact match “PRIMUS provides expertise as a full service IT provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Centro	Exact match	Sterling, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	731 contacts →
	Exact match “Centro is a diversified technology solutions provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Denali Advanced Integration	Exact match	Redmond, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	663 contacts →
	Exact match “Denali Advanced Integration delivers Enterprise IT solutions and services globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Srinsoft INC	Exact match	Boca Raton, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	603 contacts →
	Exact match “SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Ciber Global	Exact match	Troy, MI, United StatesHQ recorded Nov 6, 2026	5,001-10,000	595 contacts →
	Exact match “Ciber Global is now HTC Global Services with effect from November 30, 2021.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Ntiva, INC	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	534 contacts →
	Exact match “At Ntiva, growing people (our employees, partners, and clients) is our mission.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Fluxtek Solutions INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	527 contacts →
	Exact match “Fluxtek Solutions Inc has established a track record as a leading fast growing IT consulting, services, and outsourcing firm.” Recorded in the RevenueBase company graph · Nov 6, 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 “IT system integration services”. 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 23 of 6,333 IT system integration services based in the United States

See the full list, filter by size, metro and specialty, and access 54,297 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT system integration services based in the United States at a glance

As of Nov 6, 2026

33.2%Verified-email coverage

25.8Average contacts per company

11-50Median size (employees)

2.8%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,906

11-50

2,242

51-200

838

201-500

188

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 6,333 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 “IT system integration services” 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 54,297 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.

IT system integration services 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 “IT system integration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT system integration services are there based in the United States?

RevenueBase identified 6,333 company matches for IT system integration services 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?

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

Which city has the most IT system integration services?

New York leads with 175 company records, followed by Houston (137) and Chicago (84).

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 54,297 professional contacts with verified work emails tracked across these 6,333 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.