Company lists · Data refreshed September 2026

Top 25 Custom SaaS developers based in the United States

Name: Custom SaaS developers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 6,040 companies tracked

RevenueBase identified 6,040 company matches for custom SaaS developers associated with the United States as of September 2026 and tracks 84,955 professional contacts across them, including 20,826 with verified work emails and 11,545 with mobile numbers. New York is the largest hub.

This list covers company matches for custom SaaS developers 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 29, 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 29, 2026 How this list was built

6,040Companies

84,955Contacts tracked

20,826Verified emails

11,545Mobile numbers

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The 25 largest custom SaaS developers based in the United States

Ranked by team size

Top 25 of 6,040 company matches for custom SaaS developers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 29, 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 29, 2026 · View company records in RevenueBase
2	dev.pro	Exact match	Charlotte, NC, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3	Trinetix	Exact match	Brentwood, TN, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4	Folio3 Software	Exact match	San Mateo, CA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5	Tanisha Systems, INC	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6	Xtglobal, INC	Exact match	Plano, TX, United StatesHQ recorded Sep 29, 2026	501-1,000	841 contacts →
	Exact match “Founded in 1998, XTGlobal, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Fingent	Exact match	New York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
8	Droisys	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
9	Enterprise Solutions INC	Exact match	Warrenville, IL, United StatesHQ recorded Sep 29, 2026	501-1,000	540 contacts →
	Exact match “Enterprise Solutions, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Softura	Exact match	Farmington Hills, MI, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
11	STG	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 29, 2026	51-200	508 contacts →
	Exact match “Your Business Technology Partner.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	CG Infinity	Exact match	Plano, TX, United StatesHQ recorded Sep 29, 2026	201-500	479 contacts →
	Exact match “People First + Driven to Transform Our people-first approach to technology offers best-in-class service and success rates.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Sigma Infosolutions LTD	Exact match	Irvine, CA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
14	Svam International INC	Exact match	Great Neck, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	423 contacts →
	Exact match “We bring #TheSVAMDifference by leveraging innovative thinking, a systematic approach to ensure Digital Transformation & deliver returns on technology investments for our clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Lohika	Exact match	San Mateo, CA, United StatesHQ recorded Sep 29, 2026	501-1,000	422 contacts →
	Exact match “Lohika is now part of Capgemini.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	CUBIX	Exact match	Suite 120 #3, FL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
17	IT Labs	Exact match	Palm Beach Gardens, FL, United StatesHQ recorded Sep 29, 2026	201-500	415 contacts →
	Exact match “Creating a Better Future, Together Founded in 2005 in Los Angeles, IT Labs brings skilled tech professionals together to develop high-performing software development teams.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Argusoft	Exact match	Newark, CA, United StatesHQ recorded Sep 29, 2026	201-500	413 contacts →
	Exact match “Argusoft is a software solution design company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Affirma	Exact match	Bellevue, WA, United StatesHQ recorded Sep 29, 2026	501-1,000	397 contacts →
	Exact match “Affirma is an award-winning full service technology services firm based out of Bellevue, WA.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Solbeg	Exact match	Jersey City, NJ, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
21	First Line Software	Exact match	Cambridge, MA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
22	Feathersoft	Exact match	Ontario, CA, United StatesHQ recorded Sep 29, 2026	201-500	355 contacts →
	Exact match “Feathersoft (A ThinkBio.AI® Company) is a Global Provider of IT Solution, delivering superior consulting services for developing and implementing solutions for enterprises.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	SJ Innovation LLC	Exact match	New York, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
24	Cts, INC	Exact match	Birmingham, AL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
25	Customer Analytics, LLC	Exact match	Verona, WI, United StatesHQ recorded Sep 29, 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 29, 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 SaaS developers”. 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 6,040 custom SaaS developers based in the United States

See the full list, filter by size, metro and specialty, and access 20,826 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom SaaS developers based in the United States at a glance

As of Sep 29, 2026

24.5%Verified-email coverage

13.6%Mobile-number coverage

14.1Average contacts per company

11-50Median size (employees)

4.2%Largest-city concentration · New York

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

2,944

11-50

2,082

51-200

798

201-500

139

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 32.0d

8,6940–30

11,22931–60

64661–90

1390–180

244180+

Company record updated

Median 92.0d

00–30

11,12331–60

28,26561–90

40,27290–180

5,295180+

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 SaaS developers” 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 20,826 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 29, 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 SaaS developers 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 SaaS developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom SaaS developers are there based in the United States?

RevenueBase identified 6,040 company matches for custom SaaS developers 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 SaaS developers?

New York leads with 252 company records, followed by Austin (158) and Houston (114).

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 20,826 professional contacts with verified work emails tracked across these 6,040 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 29, 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.