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Company lists · Data refreshed September 2026

Top 25 Custom software development services based in the United States

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 11,759 companies tracked

RevenueBase identified 11,759 custom software development services headquartered in the United States as of September 2026 and tracks 176,194 professional contacts across them, including 43,199 with verified work emails and 21,667 with mobile numbers. New York is the largest hub.

This list covers custom software development services 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 24, 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 24, 2026 86% judged on-target in blind review
11,759Companies
176,194Contacts tracked
43,199Verified emails
21,667Mobile numbers
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The 25 largest custom software development services based in the United States

Ranked by team size
Top 25 of 11,759 custom software development services based in the United States, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to custom software development services: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1
Epicor
Indirect evidenceAustin, TX, United StatesHQ checked Sep 24, 20261,001-5,0005,802 contacts →

Indirect evidence

“We’re here for the hard-working businesses that keep the world turning.”

Source: RevenueBase Database · checked Sep 24, 2026
2
Exadel
Strong evidenceWalnut Creek, CA, United StatesHQ checked Sep 24, 20261,001-5,0001,874 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 24, 2026
3
Mobile Programming
Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 24, 20261,001-5,0001,462 contacts →

Partial evidence

“Mobile Programming LLC was started with the mission to provide “Economic as well as Efficient” software solutions.”

Source: RevenueBase Database · checked Sep 24, 2026
4
Pragma
Strong evidenceMiami, FL, United StatesHQ checked Sep 24, 20261,001-5,0001,416 contacts →

Strong evidence

“Pragma is a Custom Software Development and Digital Transformation company founded 30 years ago to improve people's lives by transforming businesses.”

Source: RevenueBase Database · checked Sep 24, 2026
5
Trigent Software INC
Strong evidenceSouthborough, MA, United StatesHQ checked Sep 24, 20261,001-5,0001,379 contacts →

Strong evidence

“Trigent is a global leader in software solutions, headquartered in Southborough, MA, with development centers in Boston, Bangalore.”

Source: RevenueBase Database · checked Sep 24, 2026
6
Relevantz
Strong evidenceAlpharetta, GA, United StatesHQ checked Sep 24, 20261,001-5,0001,164 contacts →

Strong evidence

“We are in the business of custom software engineering.”

Source: RevenueBase Database · checked Sep 24, 2026
7
In Time TEC
Indirect evidenceMeridian, ID, United StatesHQ checked Sep 24, 20261,001-5,0001,139 contacts →

Indirect evidence

“In Time Tec is a platform dedicated to Creating Abundance.”

Source: RevenueBase Database · checked Sep 24, 2026
8
Brain Station 23
Indirect evidenceSpringfield, VA, United StatesHQ checked Sep 24, 2026501-1,0001,053 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 24, 2026
9
dev.pro
Partial evidenceCharlotte, NC, United StatesHQ checked Sep 24, 2026501-1,000997 contacts →

Partial evidence

“Dev.Pro helps innovative technology companies scale their business by leveraging our software engineering expertise to support them every step of the way.”

Source: RevenueBase Database · checked Sep 24, 2026
10
Trinetix
Strong evidenceBrentwood, TN, United StatesHQ checked Sep 24, 20261,001-5,000902 contacts →

Strong evidence

“Trinetix is a global custom software development partner that brings ambitious ideas to life.”

Source: RevenueBase Database · checked Sep 24, 2026
11
Folio3 Software
Strong evidenceSan Mateo, CA, United StatesHQ checked Sep 24, 2026501-1,000846 contacts →

Strong evidence

“Folio3 is a California based software development company that helps entrepreneurs and large corporations build innovative, world class software solutions by providing offshore…”

Source: RevenueBase Database · checked Sep 24, 2026
12
Tanisha Systems, INC
Strong evidenceBoston, MA, United StatesHQ checked Sep 24, 20261,001-5,000844 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 24, 2026
13
Daffodil Software
Partial evidenceGrandville, MI, United StatesHQ checked Sep 24, 2026501-1,000727 contacts →

Partial evidence

“Daffodil Software is a leading software engineering partner that’s empowering 100+ organizations across the globe with innovative solutions, unparalleled execution capabilities…”

Source: RevenueBase Database · checked Sep 24, 2026
14
BJIT
Strong evidenceDhaka, CA, United StatesHQ checked Sep 24, 2026501-1,000711 contacts →

Strong evidence

“BJIT is a global leader in offshore software development and IT outsourcing services.”

Source: RevenueBase Database · checked Sep 24, 2026
15
Dash Technologies INC
Indirect evidenceDublin, OH, United StatesHQ checked Sep 24, 2026201-500605 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 24, 2026
16
Fingent
Strong evidenceNew York, NY, United StatesHQ checked Sep 24, 2026501-1,000551 contacts →

Strong evidence

“Fingent, an award-winning and ISO 27001:2013-certified custom software development company, is a trusted partner for businesses seeking strategic IT solutions.”

Source: RevenueBase Database · checked Sep 24, 2026
17
Gemini Consulting & Services
Indirect evidenceSaint Louis, MO, United StatesHQ checked Sep 24, 2026501-1,000549 contacts →

Indirect evidence

“Gemini Consulting & Services (GCS) is a leading provider of technology solutions.”

Source: RevenueBase Database · checked Sep 24, 2026
18
Droisys
Indirect evidenceLas Vegas, NV, United StatesHQ checked Sep 24, 2026201-500544 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 24, 2026
19
Softura
Partial evidenceFarmington Hills, MI, United StatesHQ checked Sep 24, 2026201-500534 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 24, 2026
20
Solution Analysts
Strong evidenceDelmar, DE, United StatesHQ checked Sep 24, 202651-200517 contacts →

Strong evidence

“Solution Analysts, a leading enterprise software development company specializes in offering high-end solutions in the domains of mobile, web, and IoT.”

Source: RevenueBase Database · checked Sep 24, 2026
21
STG
Indirect evidenceSalt Lake City, UT, United StatesHQ checked Sep 24, 202651-200508 contacts →

Indirect evidence

“Your Business Technology Partner.”

Source: RevenueBase Database · checked Sep 24, 2026
22
Invozone
Strong evidenceHollywood, FL, United StatesHQ checked Sep 24, 2026201-500504 contacts →

Strong evidence

“InvoZone is a leading software development company that excels in industry-focused software development solutions and consulting services across multiple industries.”

Source: RevenueBase Database · checked Sep 24, 2026
23
Webandcrafts
Partial evidenceWashington, DC, United StatesHQ checked Sep 24, 2026201-500463 contacts →

Partial evidence

“Having been known as a website development company in the initial stages, Webandcrafts have now blossomed into a global IT solution provider.”

Source: RevenueBase Database · checked Sep 24, 2026
24
Sigma Infosolutions LTD
Indirect evidenceIrvine, CA, United StatesHQ checked Sep 24, 2026201-500454 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 24, 2026
25
Lohika
Indirect evidenceSan Mateo, CA, United StatesHQ checked Sep 24, 2026501-1,000422 contacts →

Indirect evidence

“Lohika is now part of Capgemini.”

Source: RevenueBase Database · checked Sep 24, 2026

Showing 25 of 11,759 custom software development services based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 43,199 reachable decision-makers.

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Custom software development services based in the United States at a glance

As of Sep 24, 2026
24.5%Verified-email coverage
12.3%Mobile-number coverage
15.0Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · New York
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
4,713
11-50
3,142
51-200
1,177
201-500
218
501-1,000
55
1,001-5,000
30
5,001-10,000
4
10001+
8

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 27.0d

Company record updated

Median 87.0d

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 custom software development services, 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 “custom software development services”. 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 custom software development services), 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 custom software development services, 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, 43,199 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 24, 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.

Custom software development services by metro

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 custom software development services, 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 custom software development services are there based in the United States?

RevenueBase identified 11,759 custom software development services 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?

Epicor, headquartered in Austin, tops this list with the largest team on record.

Which city has the most custom software development services?

New York leads with 420 headquartered companies, followed by Austin (277) and Houston (196).

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 43,199 verified decision-maker contacts tracked across these 11,759 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 24, 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.

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