Company lists · Data refreshed September 2026
Top 25 SaaS software developers based in the United States
RevenueBase identified 288 SaaS software developers headquartered in the United States as of September 2026 and tracks 2,727 professional contacts across them, including 493 with verified work emails and 512 with mobile numbers. Sheridan is the largest hub.
This list covers SaaS software 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, how directly it supports the match, and when it was last checked. Data refreshed September 6, 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.
The 25 largest SaaS software developers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 237 | ||||
“Apptivo is a cloud platform of integrated business apps designed for companies of all shapes & sizes.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | 231 | ||||
“Digital Harbor proudly calls itself an innovation-driven company that holds a strong vision of reimagining the future of the enterprise world.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | 181 | ||||
“Synacor is a cloud-based software and services company headquartered in Buffalo, New York with offices across the globe.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Claris, An Apple CompanyIndirect evidence | 129 | |||
“Claris delivers a suite of services that allows problem solvers on business teams of all sizes to create, share, and integrate custom apps to make work better.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | 103 | ||||
“Fuze is a global cloud communications and collaboration software platform for the enterprise that was acquired by 8x8.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | 76 | ||||
“500apps is the world's first All-in-One SaaS suite of 39+ apps that cover all areas of business operations.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | 72 | ||||
“SKYLINE Cloud Services aggregates Small Business desktop software and cloud solutions, applies Digital Rights Management (DRM), integrates them, and delivers turn-key Cloud-based…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | SemyouIndirect evidence | 47 | |||
“SEMYOUCloud Office: The Future Begins Now Intuitive operation, no installation and thoroughly secure!” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Financial Software Solutions, LLCPartial evidence | 45 | |||
“For more than 20 years, Houston, Texas-based Financial Software Solutions has been innovating and delivering enterprise-level software platforms such as TrusteSolutions, CORE and…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | 44 | ||||
“Cintap Inc.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | 34 | ||||
“Midhtech Software Solutions is an amalgamation of ability, expertise, creativity, and innovation that serves as an ideal center for cloud software and application development…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | FernirIndirect evidence | 33 | |||
“At Fernir, we empower businesses by developing innovative, customer-centric web applications that deliver cost-effective results.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | 31 | ||||
“Build Anything.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | 27 | ||||
“Modern SaaS company, building apps for private capital managers to optimize their front to back operations.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | 26 | ||||
“We are a professional team of engineers capable of bringing the most daring product ideas to life.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | 25 | ||||
“Founded in 1993, Ciright, Inc is a general purpose technology company based in West Conshohocken, PA, USA and Ahmedabad, India.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 | ||||
“Edoc Service is a 100% virtual company that helps other companies become more virtual.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | NMX Global Software, INCPartial evidence | 23 | |||
“Headquartered in Silicon Valley, California, our software engineering organization has been developing products for nearly 20 years.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | 20 | ||||
“Behind most things at InfoStreet, is a remarkable vision.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | Horizon Business Services, INCStrong evidence | 17 | |||
“Founded in 1992, Horizon Business Services is a leader in Software as a Service (also known as SaaS) and Desktop as a Service (DaaS) hosting, colocation, managed server hosting…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | Racube TechnologiesIndirect evidence | 17 | |||
“Helping you find the right IT solutions.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 | ||||
“P2 is transforming how Managed Service Providers (MSPs) and SaaS vendors operate by unifying cloud distribution, IT management, and employee lifecycle tools into one streamlined…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 | ||||
“Apps4Rent is a Microsoft Cloud Solution Provider (CSP) and a Microsoft Gold Partner in Cloud Productivity.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 | ||||
“Optimum Output is a company born out of a conviction to think of new ideas so our clients can work more smoothly.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 | ||||
“Cube is a cloud-based platform that helps optimize and improve all aspects of business management.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 288 SaaS software developers based in the United States
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SaaS software developers based in the United States at a glance
As of Sep 6, 2026Companies by employee count
Verified emails by last verification
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 SaaS software developers, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “SaaS software developers”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among SaaS software 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 an evidence 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, 493 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 6, 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.
Frequently asked
How many SaaS software developers are there based in the United States?
RevenueBase identified 288 SaaS software 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?
Apptivo INC, headquartered in Fremont, tops this list with the largest team on record.
Which city has the most SaaS software developers?
Sheridan leads with 9 headquartered companies, followed by Los Angeles (8) and San Francisco (8).
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 493 verified decision-maker contacts tracked across these 288 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 6, 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.
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