Company lists · Data refreshed November 2026

Top 22 Software customization services based in the United States

Name: Software customization services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 4,333 companies tracked

RevenueBase identified 4,333 company matches for software customization services associated with the United States as of November 2026 and tracks 58,952 professional contacts across them, including 12,778 with verified work emails. New York is the largest hub.

This list covers company matches for software 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

4,333Companies

58,952Contacts tracked

12,778Verified emails

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The 22 largest software customization services based in the United States

Ranked by team size

Top 22 of 4,333 company matches for software 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	In Time TEC	Exact match	Meridian, ID, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,116 contacts →
	Exact match “In Time Tec is a platform dedicated to Creating Abundance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Tanisha Systems, INC	Exact match	Boston, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	889 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 · Nov 5, 2026 · View company records in RevenueBase
3	STG	Exact match	Salt Lake City, UT, United StatesHQ recorded Nov 5, 2026	51-200	543 contacts →
	Exact match “Your Business Technology Partner.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Softura	Exact match	Farmington Hills, MI, United StatesHQ recorded Nov 5, 2026	201-500	530 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 · Nov 5, 2026 · View company records in RevenueBase
5	Fluxtek Solutions INC	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	527 contacts →
	Exact match “Fluxtek Solutions Inc has established a track record as a leading fast growing IT consulting, services, and outsourcing firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Sigma Infosolutions LTD	Exact match	Irvine, CA, United StatesHQ recorded Nov 5, 2026	201-500	461 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 · Nov 5, 2026 · View company records in RevenueBase
7	Plan A Technologies	Exact match	Las Vegas, NV, United StatesHQ recorded Nov 5, 2026	201-500	448 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
8	Viva USA INC	Exact match	Rolling Meadows, IL, United StatesHQ recorded Nov 5, 2026	501-1,000	403 contacts →
	Exact match “VIVA USA Inc.(VIVA), certified Woman and Minority Owned, is a Technology and IT consulting company based in the greater Chicago area.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	First Line Software	Exact match	Cambridge, MA, United StatesHQ recorded Nov 5, 2026	201-500	366 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 · Nov 5, 2026 · View company records in RevenueBase
10	Solbeg	Exact match	Jersey City, NJ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	365 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
11	Cts, INC	Exact match	Birmingham, NC, United StatesHQ recorded Nov 5, 2026	201-500	345 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 · Nov 5, 2026 · View company records in RevenueBase
12	Foothill Technology Solutions, LLC	Exact match	Irvine, United StatesHQ recorded Nov 5, 2026	201-500	337 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
13	Advithri Technologies LLC	Exact match	Frisco, TX, United StatesHQ recorded Nov 5, 2026	201-500	335 contacts →
	Exact match “Advithri Technologies is a focused product development, software services and technology consulting company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Federal Soft Systems INC	Exact match	Bentonville, AR, United StatesHQ recorded Nov 5, 2026	501-1,000	331 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Valzo Soft Solutions	Exact match	Alpharetta, GA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	327 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
16	ITX Corp	Exact match	Rochester, NY, United StatesHQ recorded Nov 5, 2026	201-500	324 contacts →
	Exact match “ITX is a custom software development partner trusted for nearly 30 years to deliver solutions that drive real business value.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Excelacom	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	501-1,000	309 contacts →
	Exact match “Excelacom is a global Software and Consulting company headquartered in Reston, VA, just outside of Washington, D.C, with offices across North America and Europe and a Technology…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Primus Software Corporation	Exact match	Duluth, GA, United StatesHQ recorded Nov 5, 2026	201-500	297 contacts →
	Exact match “Primus Software Corporation, a leading software services company with over 29 years of industry experience, is a trusted Business & Technology Partner for enterprises seeking to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Waveaccess	Exact match	Las Vegas, NV, United StatesHQ recorded Nov 5, 2026	501-1,000	269 contacts →
	Exact match “WaveAccess is an AI-first engineering and transformation company providing high-quality custom software development and IT consulting services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Dacodes	Exact match	Houston, AZ, United StatesHQ recorded Nov 5, 2026	201-500	266 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
21	Amvotech Solutions INC	Exact match	Oakbrook Terrace, IL, United StatesHQ recorded Nov 5, 2026	501-1,000	265 contacts →
	Exact match “In this competitive world, what your company needs is a winning horse.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Adept Computer Consultants INC	Exact match	Irving, TX, United StatesHQ recorded Nov 5, 2026	201-500	256 contacts →
	Exact match “Adept Consulting Services is a custom software development and IT consulting company headquartered in Irving, Texas.Our consultative approach and global presence enable our…” Recorded in the RevenueBase company graph · Nov 5, 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 “software customization services”. 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 22 of 4,333 software customization services based in the United States

See the full list, filter by size, metro and specialty, and access 12,778 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software customization services based in the United States at a glance

As of Nov 5, 2026

21.7%Verified-email coverage

13.6Average contacts per company

11-50Median size (employees)

3.5%Largest-city concentration · New York

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

2,151

11-50

1,478

51-200

533

201-500

117

501-1,000

1,001-5,000

5,001-10,000

10001+

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 4,333 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 “software 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 12,778 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.

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

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

RevenueBase identified 4,333 company matches for software 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?

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

Which city has the most software customization services?

New York leads with 150 company records, followed by Austin (96) and Chicago (91).

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 12,778 professional contacts with verified work emails tracked across these 4,333 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.