Company lists · Data refreshed September 2026

Top 25 Vertical SaaS developers based in the United States

Name: Vertical 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 14, 2026 1,947 companies tracked

RevenueBase identified 1,947 vertical SaaS developers headquartered in the United States as of September 2026 and tracks 110,442 professional contacts across them, including 34,331 with verified work emails and 19,262 with mobile numbers. New York is the largest hub.

This list covers vertical SaaS developers 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 14, 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 14, 2026 86% judged on-target in blind review

1,947Companies

110,442Contacts tracked

34,331Verified emails

19,262Mobile numbers

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The 25 largest vertical SaaS developers based in the United States

Ranked by team size

Top 25 of 1,947 vertical SaaS developers based in the United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to vertical SaaS developers: 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	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	10001+	19,389 contacts →
	Indirect evidence “Infor is a global leader in business cloud software products for companies in industry specific markets.” Source: RevenueBase Database · checked Sep 14, 2026
2	Ss&c Technologies	Indirect evidence	Windsor, CT, United StatesHQ checked Sep 14, 2026	10001+	16,822 contacts →
	Indirect evidence “SS & C is a leading global provider of mission-critical, cloud-based software and solutions for the financial and healthcare industries.” Source: RevenueBase Database · checked Sep 14, 2026
3	Veeva Systems	Indirect evidence	Pleasanton, CA, United StatesHQ checked Sep 14, 2026	5,001-10,000	9,310 contacts →
	Indirect evidence “Veeva delivers the industry cloud for life sciences with software, AI, data, and business consulting.” Source: RevenueBase Database · checked Sep 14, 2026
4	Citiustech	Indirect evidence	Princeton, NJ, United StatesHQ checked Sep 14, 2026	5,001-10,000	6,378 contacts →
	Indirect evidence “CitiusTech is a global technology services, consulting, and business solutions enterprise 100% focused on the healthcare and life sciences industry.” Source: RevenueBase Database · checked Sep 14, 2026
5	Epicor	Indirect evidence	Austin, TX, United StatesHQ checked Sep 14, 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 14, 2026
6	IT Convergence	Partial evidence	Irving, IL, United StatesHQ checked Sep 14, 2026	501-1,000	1,950 contacts →
	Partial evidence “IT Convergence is a global Oracle Platinum Partner with a comprehensive service offering across all three pillars of the Cloud (IaaS, PaaS, SaaS), including Consulting/Advisory…” Source: RevenueBase Database · checked Sep 14, 2026
7	Quadrant Technologies	Indirect evidence	Redmond, WA, United StatesHQ checked Sep 14, 2026	1,001-5,000	1,664 contacts →
	Indirect evidence “Quadrant Technologies: Your Go-to IT Services Partner for a Digital Future For over a decade, Quadrant Technologies has established itself as a trailblazer in the IT services…” Source: RevenueBase Database · checked Sep 14, 2026
8	ECI Software Solutions	Indirect evidence	Westlake, TX, United StatesHQ checked Sep 14, 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 14, 2026
9	Sagitec Solutions	Indirect evidence	St. Paul, MN, United StatesHQ checked Sep 14, 2026	501-1,000	1,279 contacts →
	Indirect evidence “Sagitec is a leading software platform and solutions provider, specializing in serving customers focused on solving complex, business-rule-driven problems.” Source: RevenueBase Database · checked Sep 14, 2026
10	Netlink Software Group America INC	Indirect evidence	Madison Heights, MI, United StatesHQ checked Sep 14, 2026	1,001-5,000	1,216 contacts →
	Indirect evidence “At Netlink, we combine human innovation with AI-driven intelligence to build technology solutions that yield immediate, measurable business results.” Source: RevenueBase Database · checked Sep 14, 2026
11	Brain Station 23	Indirect evidence	Springfield, VA, United StatesHQ checked Sep 14, 2026	501-1,000	1,053 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 14, 2026
12	Softexpert	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 14, 2026	501-1,000	947 contacts →
	Indirect evidence “SoftExpert is a market leader in software and services for business compliance, innovation and digital transformation, with more than 3 million users from organizations in more…” Source: RevenueBase Database · checked Sep 14, 2026
13	Calpion INC	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 14, 2026	501-1,000	844 contacts →
	Indirect evidence “Calpion is an 18-year-old Dallas-headquartered technology firm offering customers artificial intelligence solutions by building custom deep learning & machine learning algorithms…” Source: RevenueBase Database · checked Sep 14, 2026
14	Xtglobal, INC	Indirect evidence	Plano, TX, United StatesHQ checked Sep 14, 2026	501-1,000	841 contacts →
	Indirect evidence “Founded in 1998, XTGlobal, Inc.” Source: RevenueBase Database · checked Sep 14, 2026
15	Amtex Systems INC	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	1,001-5,000	797 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 14, 2026
16	Evercommerce	Strong evidence	Denver, CO, United StatesHQ checked Sep 14, 2026	1,001-5,000	791 contacts →
	Strong evidence “EverCommerce is a leading service commerce platform, providing vertically-tailored, integrated SaaS solutions that help more than global service-based businesses accelerate…” Source: RevenueBase Database · checked Sep 14, 2026
17	Dash Technologies INC	Indirect evidence	Dublin, OH, United StatesHQ checked Sep 14, 2026	201-500	605 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026
18	Paradigm	Partial evidence	Middleton, WI, United StatesHQ checked Sep 14, 2026	501-1,000	571 contacts →
	Partial evidence “Paradigm is a technology company providing SaaS solutions specifically tailored for the building industry.” Source: RevenueBase Database · checked Sep 14, 2026
19	Enterprise Solutions INC	Indirect evidence	Warrenville, IL, United StatesHQ checked Sep 14, 2026	501-1,000	540 contacts →
	Indirect evidence “Enterprise Solutions, Inc.” Source: RevenueBase Database · checked Sep 14, 2026
20	Sigma Infosolutions LTD	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 14, 2026	201-500	454 contacts →
	Indirect evidence “Sigma Infosolutions is a prominent provider of technology solutions and services globally, with our headquarters in Irvine, USA, and global offices in Australia & India.” Source: RevenueBase Database · checked Sep 14, 2026
21	Pragma Edge INC	Indirect evidence	Jacksonville, FL, United StatesHQ checked Sep 14, 2026	201-500	388 contacts →
	Indirect evidence “We are a forward-thinking technology services provider dedicated to driving innovation and transformation across industries.” Source: RevenueBase Database · checked Sep 14, 2026
22	Prowesssoft	Indirect evidence	Cumming, GA, United StatesHQ checked Sep 14, 2026	201-500	381 contacts →
	Indirect evidence “At Prowess Software Services, we are your trusted partner for integration solutions.” Source: RevenueBase Database · checked Sep 14, 2026
23	United Techno	Indirect evidence	Pleasanton, CA, United StatesHQ checked Sep 14, 2026	201-500	372 contacts →
	Indirect evidence “At United Techno, we harness experience and collaboration to address customer challenges and devise intuitive solutions.” Source: RevenueBase Database · checked Sep 14, 2026
24	Solbeg	Indirect evidence	Jersey City, NJ, United StatesHQ checked Sep 14, 2026	1,001-5,000	371 contacts →
	Indirect evidence “Solbeg is a world-class partner in consulting, business process automation, technology, and software engineering services.” Source: RevenueBase Database · checked Sep 14, 2026
25	First Line Software	Indirect evidence	Cambridge, MA, United StatesHQ checked Sep 14, 2026	201-500	359 contacts →
	Indirect evidence “First Line Software is an AI-Native Engineering Company and a Select Partner in the Anthropic Claude Partner Network.” Source: RevenueBase Database · checked Sep 14, 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: vertical SaaS developers. 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 vertical SaaS developers.
Partial evidence: Its own public description names part of vertical SaaS developers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name vertical SaaS developers. 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 1,947 vertical SaaS developers based in the United States

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Vertical SaaS developers based in the United States at a glance

As of Sep 14, 2026

31.1%Verified-email coverage

17.4%Mobile-number coverage

56.7Average contacts per company

11-50Median size (employees)

3.1%Largest-city concentration · New York

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

781

11-50

684

51-200

345

201-500

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 16.0d

26,8600–30

6,98631–60

13061–90

1090–180

345180+

Company record updated

Median 77.0d

00–30

41,82331–60

51,52261–90

12,17390–180

4,924180+

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 vertical SaaS developers, 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 “vertical SaaS developers”. 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 vertical SaaS developers), 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 vertical SaaS developers, 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, 34,331 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 14, 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.

Vertical SaaS developers by metro

Vertical SaaS developers in New York61
Vertical SaaS developers in Austin54
Vertical SaaS developers in Dallas33
Vertical SaaS developers in Sheridan33
Vertical SaaS developers in Houston29
Vertical SaaS developers in Chicago27
Vertical SaaS developers in San Diego27
Vertical SaaS developers in Los Angeles26
Vertical SaaS developers in Miami25

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 vertical SaaS developers, 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 vertical SaaS developers are there based in the United States?

RevenueBase identified 1,947 vertical SaaS developers 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 vertical SaaS developers?

New York leads with 61 headquartered companies, followed by Austin (54) and Dallas (33).

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 34,331 verified decision-maker contacts tracked across these 1,947 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 14, 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.