Company lists · Data refreshed November 2026

Top 22 SaaS customization services based in the United States

RevenueBase identified 1,900 company matches for SaaS customization services associated with the United States as of November 2026 and tracks 25,139 professional contacts across them, including 6,599 with verified work emails. New York is the largest hub.

This list covers company matches for SaaS customization services 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 November 5, 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 Nov 5, 2026 How this list was built
1,900Companies
25,139Contacts tracked
6,599Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 22 largest SaaS customization services based in the United States

Ranked by team size
Top 22 of 1,900 company matches for SaaS customization services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 5, 202651-200543 contacts →

Exact match

“Your Business Technology Partner.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSchaumburg, TX, United StatesHQ recorded Nov 5, 20261,001-5,000463 contacts →

Exact match

“We are technocrats constantly solving complex problems and enabling clients to rapidly progress their business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLas Vegas, NV, United StatesHQ recorded Nov 5, 2026201-500448 contacts →

Exact match

“Plan A Technologies is an award-winning software engineering company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchJersey City, NJ, United StatesHQ recorded Nov 5, 20261,001-5,000365 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchIrvine, United StatesHQ recorded Nov 5, 2026201-500337 contacts →

Exact match

“Foothill Technology Solutions is a Software development company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchAlpharetta, GA, United StatesHQ recorded Nov 5, 20261,001-5,000327 contacts →

Exact match

“ValzoSoft Solutions – Driving Innovation, Empowering Growth At ValzoSoft Solutions, we turn visionary ideas into transformative digital experiences.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 202651-200314 contacts →

Exact match

“Founded in 1984 in San Diego, DSD Business Systems is an award-winning technology partner with 45 offices across North America, serving small- to medium-sized organizations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchHouston, AZ, United StatesHQ recorded Nov 5, 2026201-500266 contacts →

Exact match

“DaCodes empowers organizations to achieve their full potential through custom software solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchFrisco, TX, United StatesHQ recorded Nov 5, 202651-200228 contacts →

Exact match

“As one of the premiere custom software providers in Dallas, Fort Worth and the DFW metroplex we live by the promise that our word is our bond.We help you solve IT challenges and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchPrinceton, NJ, United StatesHQ recorded Nov 5, 2026201-500222 contacts →

Exact match

“Established in Artezio is a custom software development company that offers robust software solutions and IT consulting services to customers around the globe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchWashington, VA, United StatesHQ recorded Nov 5, 202651-200210 contacts →

Exact match

“We collaborate closely with technology and business leaders across industries to help drive organizational advancement through AI-powered, purpose-built software solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSanta Clara, CA, United StatesHQ recorded Nov 5, 202651-200181 contacts →

Exact match

“At Saasvaap, we specialize in delivering next-generation software solutions that help businesses simplify, scale, and succeed.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchTampa, FL, United StatesHQ recorded Nov 5, 202651-200180 contacts →

Exact match

“KITRUM is a custom software engineering partner for companies scaling and modernizing live, business-critical products.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500178 contacts →

Exact match

“Mission: We are committed to the professional success of our partners and our team members.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 5, 202651-200165 contacts →

Exact match

“Atomic Object helps companies innovate and grow with custom software that’s beautiful, reliable, and easy to use.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchNewark, DE, United StatesHQ recorded Nov 5, 202651-200164 contacts →

Exact match

“Synebo brings 10+ years of Salesforce expertise as a trusted Crest Consulting, ISV, and PDO partner.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchPlano, NJ, United StatesHQ recorded Nov 5, 202651-200162 contacts →

Exact match

“Founded in 2007 and headquartered in Dallas, TX, AppShark Software, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchWilmington, TX, United StatesHQ recorded Nov 5, 202651-200157 contacts →

Exact match

“Inno Valley Works is a leading Salesforce Implementation and Consulting partner service across the United States of America, Canada, UK, and India, We help businesses to implement…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMaryville, MO, United StatesHQ recorded Nov 5, 202651-200154 contacts →

Exact match

“Bluethink Inc: Empowering Digital Transformation with Cutting-Edge Technologies In today's fast-paced and ever-evolving digital landscape, businesses need to constantly adapt and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSanta Clara, CA, United StatesHQ recorded Nov 5, 2026201-500152 contacts →

Exact match

“EffOne was founded by a team of Software Engineers in 1996, as a California Corporation with the mission of providing custom software development services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSunny Isles Beach, IL, United StatesHQ recorded Nov 5, 2026201-500147 contacts →

Exact match

“Velvetech LLC is an award-winning custom software development and consulting company based in Florida, with offices in Sunny Isles Beach, FL, and Chicago, IL.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchHouston, VA, United StatesHQ recorded Nov 5, 202651-200140 contacts →

Exact match

“Established in 2016, Dwellfox is a global consulting powerhouse, redefining businesses worldwide with cutting-edge solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 22 of 1,900 SaaS customization services based in the United States

See the full list, filter by size, metro and specialty, and access 6,599 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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SaaS customization services based in the United States at a glance

As of Nov 5, 2026
26.3%Verified-email coverage
13.2Average contacts per company
1-10Median size (employees)
4.8%Largest-city concentration · New York
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
973
11-50
651
51-200
225
201-500
32
501-1,000
8
1,001-5,000
6
5,001-10,000
1
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,900 companies.

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 “SaaS customization services” 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 6,599 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 November 5, 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.

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 “SaaS customization services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many SaaS customization services are there based in the United States?

RevenueBase identified 1,900 company matches for SaaS customization services associated with the United States as of November 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?

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

Which city has the most SaaS customization services?

New York leads with 91 company records, followed by Austin (52) and Chicago (38).

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 6,599 professional contacts with verified work emails tracked across these 1,900 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 November 5, 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.