Company lists · Data refreshed November 2026

Top 22 Custom application service providers based in the United States

Name: Custom application service providers 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 14,266 companies tracked

RevenueBase identified 14,266 company matches for custom application service providers associated with the United States as of November 2026 and tracks 264,257 professional contacts across them, including 61,708 with verified work emails. New York is the largest hub.

This list covers company matches for custom application service providers 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

14,266Companies

264,257Contacts tracked

61,708Verified emails

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The 22 largest custom application service providers based in the United States

Ranked by team size

Top 22 of 14,266 company matches for custom application service providers 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	Presidio	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,274 contacts →
	Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Tech Mahindra	Exact match	Streetman, TX, United StatesHQ recorded Nov 6, 2026	n/a	3,026 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Chetu, INC	Exact match	Sunrise, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,911 contacts →
	Exact match “Chetu is your seamless backend technology partner, helping startups, SMBs, and Fortune companies accelerate development of desktop, mobile, and web apps with on-demand developers…” 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	People Tech Group INC	Exact match	Redmond, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,226 contacts →
	Exact match “People Tech Group is a leading Enterprise Solutions, Digital Transformation, Data Intelligence, and Modern Operation services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	ICC	Exact match	Columbus, OH, United StatesHQ recorded Nov 6, 2026	501-1,000	1,526 contacts →
	Exact match “User First.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	In Time TEC	Exact match	Meridian, ID, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,116 contacts →
	Exact match “In Time Tec is a platform dedicated to Creating Abundance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	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
10	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
11	Tanisha Systems, INC	Exact match	Boston, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	889 contacts →
	Exact match “Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	SUN Technologies	Exact match	Atlanta, United StatesHQ recorded Nov 6, 2026	1,001-5,000	827 contacts →
	Exact match “Established in 1996, Sun Technologies Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	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
15	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
16	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
17	Tenpath	Exact match	Oak Brook, IL, United StatesHQ recorded Nov 6, 2026	n/a	720 contacts →
	Exact match “Headquartered in the United States, Tenpath Solutions is a multinational leader in outsourced IT Professional Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Evonsys	Exact match	Wilmington, DE, United StatesHQ recorded Nov 6, 2026	501-1,000	699 contacts →
	Exact match “EvonSys was founded by industry leaders and an innovative engineering team with decades of experience building and successfully delivering digital transformational solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Tekshapers	Exact match	Troy, MI, United StatesHQ recorded Nov 6, 2026	501-1,000	648 contacts →
	Exact match “Tekshapers was founded in 2009, an MI, USA based Information Technology Company and our primary objective is to provide sophisticated business solutions to a group of companies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Respec	Exact match	Rapid City, KY, United StatesHQ recorded Nov 6, 2026	501-1,000	626 contacts →
	Exact match “In a world where one superhero can handle almost any problem, our entire team of award-winning technology experts is on a mission to make your business better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	S & L International	Exact match	Arcadia, CA, United StatesHQ recorded Nov 6, 2026	n/a	625 contacts →
	Exact match “S&L International, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	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

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 “custom application service providers”. 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 22 of 14,266 custom application service providers based in the United States

See the full list, filter by size, metro and specialty, and access 61,708 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom application service providers based in the United States at a glance

As of Nov 6, 2026

23.4%Verified-email coverage

18.5Average contacts per company

11-50Median size (employees)

3.8%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,312

11-50

5,024

51-200

2,186

201-500

466

501-1,000

151

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 14,266 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 “custom application service providers” 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 61,708 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.

Custom application service providers 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 “custom application service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom application service providers are there based in the United States?

RevenueBase identified 14,266 company matches for custom application service providers 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 custom application service providers?

New York leads with 538 company records, followed by Austin (315) and Houston (277).

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 61,708 professional contacts with verified work emails tracked across these 14,266 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.