Company lists · Data refreshed September 2026

Top 25 Custom software application development companies based in the United States

Name: Custom software application development companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 5,018 companies tracked

RevenueBase identified 5,018 company matches for custom software application development companies associated with the United States as of September 2026 and tracks 71,743 professional contacts across them, including 17,220 with verified work emails. New York is the largest hub.

This list covers company matches for custom software application development 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 September 21, 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 Sep 21, 2026 How this list was built

5,018Companies

71,743Contacts tracked

17,220Verified emails

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The 25 largest custom software application development companies based in the United States

Ranked by team size

Top 25 of 5,018 company matches for custom software application development companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Exadel	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,874 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Trigent Software INC	Exact match	Southborough, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,379 contacts →
	Exact match “Trigent is a global leader in software solutions, headquartered in Southborough, MA, with development centers in Boston, Bangalore.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Relevantz	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,164 contacts →
	Exact match “We are in the business of custom software engineering.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	In Time TEC	Exact match	Meridian, ID, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,139 contacts →
	Exact match “In Time Tec is a platform dedicated to Creating Abundance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	dev.pro	Exact match	Charlotte, NC, United StatesHQ recorded Sep 21, 2026	501-1,000	997 contacts →
	Exact match “Dev.Pro helps innovative technology companies scale their business by leveraging our software engineering expertise to support them every step of the way.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Trinetix	Exact match	Brentwood, TN, United StatesHQ recorded Sep 21, 2026	1,001-5,000	902 contacts →
	Exact match “Trinetix is a global custom software development partner that brings ambitious ideas to life.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Folio3 Software	Exact match	San Mateo, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	846 contacts →
	Exact match “Folio3 is a California based software development company that helps entrepreneurs and large corporations build innovative, world class software solutions by providing offshore…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Tanisha Systems, INC	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	844 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 · Sep 21, 2026 · View company records in RevenueBase
9	Dash Technologies INC	Exact match	Dublin, OH, United StatesHQ recorded Sep 21, 2026	201-500	605 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Fingent	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	501-1,000	551 contacts →
	Exact match “Fingent, an award-winning and ISO 27001:2013-certified custom software development company, is a trusted partner for businesses seeking strategic IT solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Droisys	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 21, 2026	201-500	544 contacts →
	Exact match “Droisys is an innovation technology company, with a reputation of delivering top engineering projects and teams to meet, execute, and solve complex business challenges & deliver…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Softura	Exact match	Farmington Hills, MI, United StatesHQ recorded Sep 21, 2026	201-500	534 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 · Sep 21, 2026 · View company records in RevenueBase
13	Sigma Infosolutions LTD	Exact match	Irvine, CA, United StatesHQ recorded Sep 21, 2026	201-500	454 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 · Sep 21, 2026 · View company records in RevenueBase
14	Lohika	Exact match	San Mateo, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	422 contacts →
	Exact match “Lohika is now part of Capgemini.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	CUBIX	Exact match	Suite 120 #3, FL, United StatesHQ recorded Sep 21, 2026	201-500	417 contacts →
	Exact match “We are a full-lifecycle software development company expert in development, customization, and integration of complex enterprise software, business intelligence analytics…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Argusoft	Exact match	Newark, CA, United StatesHQ recorded Sep 21, 2026	201-500	413 contacts →
	Exact match “Argusoft is a software solution design company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Plan A Technologies	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 21, 2026	201-500	383 contacts →
	Exact match “Plan A Technologies is an award-winning software engineering company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Solbeg	Exact match	Jersey City, NJ, United StatesHQ recorded Sep 21, 2026	1,001-5,000	371 contacts →
	Exact match “Solbeg is a world-class partner in consulting, business process automation, technology, and software engineering services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Instinctools	Exact match	Potomac, MD, United StatesHQ recorded Sep 21, 2026	201-500	366 contacts →
	Exact match “Instinctools is an AI-powered software engineering company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	First Line Software	Exact match	Cambridge, MA, United StatesHQ recorded Sep 21, 2026	201-500	359 contacts →
	Exact match “First Line Software is an AI-Native Engineering Company and a Select Partner in the Anthropic Claude Partner Network.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	SJ Innovation LLC	Exact match	New York, United StatesHQ recorded Sep 21, 2026	51-200	341 contacts →
	Exact match “Established in 2004, SJ Innovation has completed more than a decade in the software industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Cts, INC	Exact match	Birmingham, AL, United StatesHQ recorded Sep 21, 2026	201-500	338 contacts →
	Exact match “Since 1993, CTS has provided solutions to enterprise, mid-market, and emerging companies across a variety of industries, including energy and utilities, financial services…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Customer Analytics, LLC	Exact match	Verona, WI, United StatesHQ recorded Sep 21, 2026	501-1,000	334 contacts →
	Exact match “Customer Analytics, for over 20 years, has been in the business of helping clients succeed at what they do, by developing customized software solutions to meet and solve their…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Foothill Technology Solutions, LLC	Exact match	Irvine, United StatesHQ recorded Sep 21, 2026	201-500	318 contacts →
	Exact match “Foothill Technology Solutions is a Software development company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	ITX Corp	Exact match	Rochester, NY, United StatesHQ recorded Sep 21, 2026	201-500	312 contacts →
	Exact match “ITX is a custom software development partner trusted for nearly 30 years to deliver solutions that drive real business value.” Recorded in the RevenueBase company graph · Sep 21, 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 software application development 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 25 of 5,018 custom software application development companies based in the United States

See the full list, filter by size, metro and specialty, and access 17,220 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom software application development companies based in the United States at a glance

As of Sep 21, 2026

24.0%Verified-email coverage

14.3Average contacts per company

11-50Median size (employees)

4.3%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

2,493

11-50

1,685

51-200

653

201-500

123

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 5,018 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 software application development 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 17,220 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 September 21, 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 software application development 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 “custom software application development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 5,018 company matches for custom software application development companies associated with the United States as of September 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?

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

Which city has the most custom software application development companies?

New York leads with 216 company records, followed by Austin (135) and Houston (88).

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 17,220 professional contacts with verified work emails tracked across these 5,018 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 September 21, 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.