Company lists · Data refreshed November 2026

Top 23 Software support and implementation companies based in the United States

Name: Software support and implementation companies 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 10,228 companies tracked

RevenueBase identified 10,228 company matches for software support and implementation companies associated with the United States as of November 2026 and tracks 239,203 professional contacts across them, including 69,357 with verified work emails. New York is the largest hub.

This list covers company matches for software support and implementation 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

10,228Companies

239,203Contacts tracked

69,357Verified emails

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The 23 largest software support and implementation companies based in the United States

Ranked by team size

Top 23 of 10,228 company matches for software support and implementation 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.
#	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	Compucom	Exact match	Fort Mill, WA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,318 contacts →
	Exact match “Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Oxford Global Resources	Exact match	Beverly, OH, United StatesHQ recorded Nov 6, 2026	501-1,000	2,734 contacts →
	Exact match “Oxford Global Resources is a global professional services and consulting partner trusted by leading industry organizations to solve complex challenges and deliver outcomes at…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	Rimini Street	Exact match	Las Vegas, NV, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,144 contacts →
	Exact match “Rimini Street, Inc.(Nasdaq: RMNI), a Russell Company, is a global leader in end-to-end third-party enterprise software support, managed services and Agentic AI ERP innovation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	IT Convergence	Exact match	Irving, United StatesHQ recorded Nov 6, 2026	501-1,000	2,086 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Gyansys INC	Exact match	Carmel, IN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,961 contacts →
	Exact match “Founded in 2005, GyanSys is a leading global system integrator company supporting enterprise customers worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	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
10	Intelligroup	Exact match	Princeton, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,185 contacts →
	Exact match “Intelligroup is a global provider of innovative consulting, technology, and outsourcing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	CEI	Exact match	Pittsburgh, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,042 contacts →
	Exact match “In today’s technology-driven world, the mandate of transformation represents both challenges and opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Lawson Software	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	999 contacts →
	Exact match “Our mission is to make your company successful!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	Emonics LLC	Exact match	Piscataway, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	929 contacts →
	Exact match “Emonics LLC connects you with the right talent at the right time.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	Buchanan Technologies	Exact match	Grapevine, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	806 contacts →
	Exact match “As a leading IT consulting and outsourcing services firm, Buchanan Technologies helps organizations across North America turn their business technology into a powerful competitive…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Ionidea	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	799 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Topbloc	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	501-1,000	774 contacts →
	Exact match “Everforth TopBloc leverages proprietary automation to deploy Workday’s Human Capital Management, Payroll, and Financials business services quickly and efficiently, reducing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	NET At Work	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	763 contacts →
	Exact match “At Net at Work, we help organizations unleash the power of their business performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	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
23	Decisionone	Exact match	Havertown, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	691 contacts →
	Exact match “DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” 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 “software support and implementation companies”. 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 10,228 software support and implementation companies based in the United States

See the full list, filter by size, metro and specialty, and access 69,357 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software support and implementation companies based in the United States at a glance

As of Nov 6, 2026

29.0%Verified-email coverage

23.4Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,878

11-50

3,293

51-200

1,452

201-500

386

501-1,000

108

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 10,228 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 “software support and implementation 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 69,357 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.

Software support and implementation companies 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 “software support and implementation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many software support and implementation companies are there based in the United States?

RevenueBase identified 10,228 company matches for software support and implementation 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?

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

Which city has the most software support and implementation companies?

New York leads with 297 company records, followed by Houston (216) and Chicago (173).

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 69,357 professional contacts with verified work emails tracked across these 10,228 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.