Company lists · Data refreshed November 2026

Top 20 Custom application development services based in the United States

Name: Custom application development 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 11,010 companies tracked

RevenueBase identified 11,010 company matches for custom application development services associated with the United States as of November 2026 and tracks 202,724 professional contacts across them, including 54,293 with verified work emails. New York is the largest hub.

This list covers company matches for custom application development 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

11,010Companies

202,724Contacts tracked

54,293Verified emails

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The 20 largest custom application development services based in the United States

Ranked by team size

Top 20 of 11,010 company matches for custom application development 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	Dataart	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	5,522 contacts →
	Exact match “DataArt is a global software engineering firm that delivers breakthrough data, analytics, and AI platforms for the world’s most demanding organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	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
5	Coherent Solutions	Exact match	St Louis Park, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,100 contacts →
	Exact match “Coherent Solutions is a leading global digital engineering company headquartered in Minneapolis, Minnesota, with over 1700+ software engineers and designers in 9 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	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
8	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
9	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
10	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
11	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
12	Carpe Diem Team	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	570 contacts →
	Exact match “Carpe Diem is a leading IT & Software Development company providing services to clients in North America, Europe, Australia with over 300+ Active Clients and a team of 500+ people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	STG	Exact match	Salt Lake City, UT, United StatesHQ recorded Nov 6, 2026	51-200	543 contacts →
	Exact match “Your Business Technology Partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Softura	Exact match	Farmington Hills, MI, United StatesHQ recorded Nov 6, 2026	201-500	530 contacts →
	Exact match “Softura is an organization that specializes in providing state-of-the-art software solutions on a wide range of platforms to simplify any un-scalable process.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	Taazaa INC	Exact match	Hudson, OH, United StatesHQ recorded Nov 6, 2026	201-500	461 contacts →
	Exact match “Taazaa is a product engineering and custom software company (founded 2007) that helps mission-minded organizations stay relevant using agile, design-based development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Sigma Infosolutions LTD	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	201-500	461 contacts →
	Exact match “Sigma Infosolutions is a prominent provider of technology solutions and services globally, with our headquarters in Irvine, USA, and global offices in Australia & India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Plan A Technologies	Exact match	Las Vegas, NV, United StatesHQ recorded Nov 6, 2026	201-500	448 contacts →
	Exact match “Plan A Technologies is an award-winning software engineering company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Newfire Global Partners	Exact match	Cambridge, United StatesHQ recorded Nov 6, 2026	501-1,000	433 contacts →
	Exact match “Newfire Global Partners is an American IT service company forging software for the most innovative companies in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	STPL	Exact match	San Mateo, CA, United StatesHQ recorded Nov 6, 2026	51-200	416 contacts →
	Exact match “STPL incorporated in 2004, is an ISO 9001:2008 certified offshore software development company with a strong team of highly skilled IT experts, catering its global clientele with…” 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 development 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 20 of 11,010 custom application development services based in the United States

See the full list, filter by size, metro and specialty, and access 54,293 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom application development services based in the United States at a glance

As of Nov 6, 2026

26.8%Verified-email coverage

18.4Average contacts per company

11-50Median size (employees)

4.4%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,025

11-50

3,900

51-200

1,591

201-500

325

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 11,010 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 development 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 54,293 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 development 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 “custom application development services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom application development services are there based in the United States?

RevenueBase identified 11,010 company matches for custom application development 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 custom application development services?

New York leads with 483 company records, followed by Austin (277) and Chicago (208).

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 54,293 professional contacts with verified work emails tracked across these 11,010 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.