Company lists · Data refreshed September 2026

Top 25 Customized software development companies based in the United States

Name: Customized software 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 24, 2026 13,098 companies tracked

RevenueBase identified 13,098 company matches for customized software development companies associated with the United States as of September 2026 and tracks 253,420 professional contacts across them, including 62,677 with verified work emails and 29,346 with mobile numbers. New York is the largest hub.

This list covers company matches for customized software 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 24, 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 24, 2026 How this list was built

13,098Companies

253,420Contacts tracked

62,677Verified emails

29,346Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest customized software development companies based in the United States

Ranked by team size

Top 25 of 13,098 company matches for customized software development companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	R Systems	Exact match	El Dorado Hills, CA, United StatesHQ recorded Sep 24, 2026	5,001-10,000	7,360 contacts →
	Exact match “RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	Epicor	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	1,001-5,000	5,802 contacts →
	Exact match “We’re here for the hard-working businesses that keep the world turning.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	Dataart	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	5,001-10,000	5,249 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 · Sep 24, 2026 · View company records in RevenueBase
4	Iris Software INC	Exact match	Edison, NJ, United StatesHQ recorded Sep 24, 2026	1,001-5,000	3,421 contacts →
	Exact match “Iris Software has been a trusted software engineering partner to several Fortune 500 companies for over three decades.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Chetu, INC	Exact match	Sunrise, FL, United StatesHQ recorded Sep 24, 2026	1,001-5,000	2,943 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 · Sep 24, 2026 · View company records in RevenueBase
6	People Tech Group INC	Exact match	Redmond, WA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	2,434 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 · Sep 24, 2026 · View company records in RevenueBase
7	Exadel	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
8	Itransition Group	Exact match	Decatur, GA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,664 contacts →
	Exact match “Founded in 1998, Itransition is a global software engineering and IT consulting company with engineers supporting clients across 40 countries.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	Leverx	Exact match	Miami, FL, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,632 contacts →
	Exact match “LeverX is an SAP Gold Partner, SAP Global Strategic Supplier, and enterprise solutions provider for businesses worldwide, including companies from the Fortune 500 list.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	Mobile Programming	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,462 contacts →
	Exact match “Mobile Programming LLC was started with the mission to provide “Economic as well as Efficient” software solutions.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	Pragma	Exact match	Miami, FL, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,416 contacts →
	Exact match “Pragma is a Custom Software Development and Digital Transformation company founded 30 years ago to improve people's lives by transforming businesses.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	ICC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	501-1,000	1,416 contacts →
	Exact match “User First.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Trigent Software INC	Exact match	Southborough, MA, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
14	V Group INC	Exact match	Cranbury, NJ, United StatesHQ recorded Sep 24, 2026	n/a	1,347 contacts →
	Exact match “Since V Group Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	Relevantz	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
16	In Time TEC	Exact match	Meridian, ID, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
17	Robosoft Technologies	Exact match	San Francisco, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,097 contacts →
	Exact match “Engineering the Experience that matter.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	Coherent Solutions	Exact match	St Louis Park, MN, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,066 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 · Sep 24, 2026 · View company records in RevenueBase
19	Brain Station 23	Exact match	Springfield, VA, United StatesHQ recorded Sep 24, 2026	501-1,000	1,053 contacts →
	Exact match “Brain Station 23 is at the forefront of global digital transformation, delivering state-of-the-art technology solutions designed to propel businesses into the future.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20	dev.pro	Exact match	Charlotte, NC, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
21	Avasoft	Exact match	Blue Bell, PA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	977 contacts →
	Exact match “AVASOFT is a leading digital transformation strategy company that offers clients a holistic, product-centric approach to digital transformation by combining strategic planning…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Cyber Infrastructure CIS	Exact match	San Jose, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	921 contacts →
	Exact match “Think Big.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23	Trinetix	Exact match	Brentwood, TN, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
24	Unosquare	Exact match	Lake Oswego, OR, United StatesHQ recorded Sep 24, 2026	1,001-5,000	895 contacts →
	Exact match “is a full-cycle digital engineering company that provides solutions to growing companies in regulated and data intensive industries.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	Folio3 Software	Exact match	San Mateo, CA, United StatesHQ recorded Sep 24, 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 24, 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 “customized software 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 13,098 customized software development companies based in the United States

See the full list, filter by size, metro and specialty, and access 62,677 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customized software development companies based in the United States at a glance

As of Sep 24, 2026

24.7%Verified-email coverage

11.6%Mobile-number coverage

19.3Average contacts per company

11-50Median size (employees)

4.8%Largest-city concentration · New York

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

5,971

11-50

4,529

51-200

1,953

201-500

420

501-1,000

127

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

46,5790–30

14,20631–60

92961–90

4190–180

922180+

Company record updated

Median 87.0d

00–30

34,22831–60

113,49361–90

91,65790–180

14,042180+

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 “customized software 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 62,677 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 24, 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.

Customized software 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 “customized software development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 13,098 company matches for customized software 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?

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

Which city has the most customized software development companies?

New York leads with 627 company records, followed by Austin (359) and Houston (271).

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 62,677 professional contacts with verified work emails tracked across these 13,098 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 24, 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.