Company lists · Data refreshed September 2026

Top 25 Enterprise custom software development companies based in the United States

Name: Enterprise custom 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 7,141 companies tracked

RevenueBase identified 7,141 enterprise custom software development companies headquartered in the United States as of September 2026 and tracks 151,512 professional contacts across them, including 43,659 with verified work emails and 22,507 with mobile numbers. New York is the largest hub.

This list covers enterprise custom software development companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 24, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 24, 2026 86% judged on-target in blind review

7,141Companies

151,512Contacts tracked

43,659Verified emails

22,507Mobile numbers

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

Ranked by team size

Top 25 of 7,141 enterprise custom software development companies based in the United States, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise custom software development companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	INFOR	Partial evidence	New York, NY, United StatesHQ checked Sep 24, 2026	10001+	19,389 contacts →
	Partial evidence “Infor is a global leader in business cloud software products for companies in industry specific markets.” Source: RevenueBase Database · checked Sep 24, 2026
2	Epicor	Indirect evidence	Austin, TX, United StatesHQ checked Sep 24, 2026	1,001-5,000	5,802 contacts →
	Indirect evidence “We’re here for the hard-working businesses that keep the world turning.” Source: RevenueBase Database · checked Sep 24, 2026
3	Chetu, INC	Partial evidence	Sunrise, FL, United StatesHQ checked Sep 24, 2026	1,001-5,000	2,943 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 24, 2026
4	Aptean	Strong evidence	Alpharetta, GA, United StatesHQ checked Sep 24, 2026	1,001-5,000	2,739 contacts →
	Strong evidence “Aptean's AI-powered, enterprise software serves manufacturers and distributors worldwide across food and beverage, apparel, transportation and more.” Source: RevenueBase Database · checked Sep 24, 2026
5	Exadel	Strong evidence	Walnut Creek, CA, United StatesHQ checked Sep 24, 2026	1,001-5,000	1,874 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 24, 2026
6	Leverx	Partial evidence	Miami, FL, United StatesHQ checked Sep 24, 2026	1,001-5,000	1,632 contacts →
	Partial evidence “LeverX is an SAP Gold Partner, SAP Global Strategic Supplier, and enterprise solutions provider for businesses worldwide, including companies from the Fortune 500 list.” Source: RevenueBase Database · checked Sep 24, 2026
7	ECI Software Solutions	Indirect evidence	Westlake, TX, United StatesHQ checked Sep 24, 2026	1,001-5,000	1,411 contacts →
	Indirect evidence “For 25+ years, ECI has helped businesses around the world grow with industry-specific, cloud-based ERP.” Source: RevenueBase Database · checked Sep 24, 2026
8	Trigent Software INC	Strong evidence	Southborough, MA, United StatesHQ checked Sep 24, 2026	1,001-5,000	1,379 contacts →
	Strong evidence “Trigent is a global leader in software solutions, headquartered in Southborough, MA, with development centers in Boston, Bangalore.” Source: RevenueBase Database · checked Sep 24, 2026
9	Chain-Sys Corporation	Indirect evidence	Rocklin, CA, United StatesHQ checked Sep 24, 2026	501-1,000	1,280 contacts →
	Indirect evidence “ChainSys is an innovator in the data management and business platform implementation (ERP) space.” Source: RevenueBase Database · checked Sep 24, 2026
10	Relevantz	Strong evidence	Alpharetta, GA, United StatesHQ checked Sep 24, 2026	1,001-5,000	1,164 contacts →
	Strong evidence “We are in the business of custom software engineering.” Source: RevenueBase Database · checked Sep 24, 2026
11	Trinetix	Strong evidence	Brentwood, TN, United StatesHQ checked Sep 24, 2026	1,001-5,000	902 contacts →
	Strong evidence “Trinetix is a global custom software development partner that brings ambitious ideas to life.” Source: RevenueBase Database · checked Sep 24, 2026
12	Lawson Software	Indirect evidence	New York, NY, United StatesHQ checked Sep 24, 2026	1,001-5,000	862 contacts →
	Indirect evidence “Our mission is to make your company successful!” Source: RevenueBase Database · checked Sep 24, 2026
13	Folio3 Software	Strong evidence	San Mateo, CA, United StatesHQ checked Sep 24, 2026	501-1,000	846 contacts →
	Strong evidence “Folio3 is a California based software development company that helps entrepreneurs and large corporations build innovative, world class software solutions by providing offshore…” Source: RevenueBase Database · checked Sep 24, 2026
14	Tanisha Systems, INC	Strong evidence	Boston, MA, United StatesHQ checked Sep 24, 2026	1,001-5,000	844 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 24, 2026
15	Acumatica	Indirect evidence	Bellevue, WA, United StatesHQ checked Sep 24, 2026	501-1,000	729 contacts →
	Indirect evidence “Acumatica Cloud ERP is a comprehensive business management solution designed for today's digital economy.” Source: RevenueBase Database · checked Sep 24, 2026
16	BJIT	Strong evidence	Dhaka, CA, United StatesHQ checked Sep 24, 2026	501-1,000	711 contacts →
	Strong evidence “BJIT is a global leader in offshore software development and IT outsourcing services.” Source: RevenueBase Database · checked Sep 24, 2026
17	Tenpath	Indirect evidence	Oak Brook, IL, United StatesHQ checked Sep 24, 2026	n/a	676 contacts →
	Indirect evidence “Headquartered in the United States, Tenpath Solutions is a multinational leader in outsourced IT Professional Services.” Source: RevenueBase Database · checked Sep 24, 2026
18	symphony.is	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 24, 2026	501-1,000	672 contacts →
	Strong evidence “Symphony is a global design and development software company headquartered in San Francisco with 650+ technologists located across engineering offices in Southeast Europe and…” Source: RevenueBase Database · checked Sep 24, 2026
19	Dash Technologies INC	Indirect evidence	Dublin, OH, United StatesHQ checked Sep 24, 2026	201-500	605 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 24, 2026
20	CAI Software, LLC	Partial evidence	Lincoln, RI, United StatesHQ checked Sep 24, 2026	501-1,000	604 contacts →
	Partial evidence “CAI Software, LLC delivers mission-critical, production-oriented software to Manufacturers and Food & Beverage producers, processors, and distributors.” Source: RevenueBase Database · checked Sep 24, 2026
21	Fingent	Strong evidence	New York, NY, United StatesHQ checked Sep 24, 2026	501-1,000	551 contacts →
	Strong evidence “Fingent, an award-winning and ISO 27001:2013-certified custom software development company, is a trusted partner for businesses seeking strategic IT solutions.” Source: RevenueBase Database · checked Sep 24, 2026
22	Droisys	Indirect evidence	Las Vegas, NV, United StatesHQ checked Sep 24, 2026	201-500	544 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 24, 2026
23	Softura	Partial evidence	Farmington Hills, MI, United StatesHQ checked Sep 24, 2026	201-500	534 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 24, 2026
24	Solution Analysts	Strong evidence	Delmar, DE, United StatesHQ checked Sep 24, 2026	51-200	517 contacts →
	Strong evidence “Solution Analysts, a leading enterprise software development company specializes in offering high-end solutions in the domains of mobile, web, and IoT.” Source: RevenueBase Database · checked Sep 24, 2026
25	Growth Acceleration Partners	Indirect evidence	Austin, TX, United StatesHQ checked Sep 24, 2026	501-1,000	507 contacts →
	Indirect evidence “Growth Acceleration Partners is a consulting and technology services company.” Source: RevenueBase Database · checked Sep 24, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise custom software development companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise custom software development companies.
Partial evidence: Its own public description names part of enterprise custom software development companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise custom software development companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 7,141 enterprise custom software development companies based in the United States

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Enterprise custom software development companies based in the United States at a glance

As of Sep 24, 2026

28.8%Verified-email coverage

14.9%Mobile-number coverage

21.2Average contacts per company

11-50Median size (employees)

4.3%Largest-city concentration · New York

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

3,311

11-50

2,456

51-200

1,050

201-500

216

501-1,000

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

32,7140–30

9,68931–60

60261–90

3090–180

624180+

Company record updated

Median 87.0d

00–30

22,60031–60

68,01161–90

52,85790–180

8,044180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise custom software development companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “enterprise custom software development companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise custom software development companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among enterprise custom software development companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 43,659 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Enterprise custom software development companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise custom software development companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 7,141 enterprise custom software development companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

INFOR, headquartered in New York, tops this list with the largest team on record.

Which city has the most enterprise custom software development companies?

New York leads with 306 headquartered companies, followed by Austin (187) and Houston (135).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 43,659 verified decision-maker contacts tracked across these 7,141 companies.

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 Smart Search, 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.