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Company lists · Data refreshed September 2026

Top 25 Customized software development services based in San Diego, United States

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 125 companies tracked

RevenueBase identified 125 customized software development services headquartered in San Diego, United States as of September 2026 and tracks 2,028 professional contacts across them, including 438 with verified work emails. New York is the largest hub.

This list covers customized software development services headquartered in San Diego, 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
125Companies
2,028Contacts tracked
438Verified emails
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The 25 largest customized software development services based in San Diego, United States

Ranked by team size
Top 25 of 125 customized software development services based in San Diego, United States, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to customized 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
Integrant, INC
Partial evidenceSan Diego, CA, United StatesHQ checked Sep 24, 2026201-500280 contacts →

Partial evidence

“For more than 35 years, Integrant has engineered enterprise software for companies that can’t afford to get it wrong, in medical devices, life sciences, pharma, financial…”

Source: RevenueBase Database · checked Sep 24, 2026
2
Bitcot
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 2026201-500264 contacts →

Indirect evidence

“Bitcot launched in 2014 as the vision of one man armed with a laptop.”

Source: RevenueBase Database · checked Sep 24, 2026
3
Sysintelli Software And Services Private Limited
Strong evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20081 contacts →

Strong evidence

“Sysintelli, founded in early 2005, as a software development and consulting firm, has now evolved to providing whole array of services and solutions in Application Development…”

Source: RevenueBase Database · checked Sep 24, 2026
4
Primero Systems
Strong evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20059 contacts →

Strong evidence

“Primero Systems is a custom software development company focused on building and supporting enterprise applications for complex business environments.”

Source: RevenueBase Database · checked Sep 24, 2026
5
Jeannypr Softech Pvt. LTD
Strong evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5036 contacts →

Strong evidence

“Jeannypr Softech is an IT product and services company and offers a full range of web, mobile & software development solutions.”

Source: RevenueBase Database · checked Sep 24, 2026
6
Treeline
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20035 contacts →

Indirect evidence

“Treeline has been helping everyone from startups to enterprise companies develop game-changing products for the past two decades.”

Source: RevenueBase Database · checked Sep 24, 2026
7
Royanis
Partial evidenceSan Diego, United StatesHQ checked Sep 24, 202611-5032 contacts →

Partial evidence

“Royanis is a company that specializes in solving software and data related challenges, turning ideas into web, cloud or mobile based digital software products that can scale to…”

Source: RevenueBase Database · checked Sep 24, 2026
8
Tateeda Global
Strong evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20031 contacts →

Strong evidence

“TATEEDA GLOBAL, a custom software development company and staff augmentation provider, boasts a talent pool of over 100 experienced engineers.”

Source: RevenueBase Database · checked Sep 24, 2026
9
Shubh Solutions LLC
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20026 contacts →

Indirect evidence

“Shubh Solutions is an Information Technology(IT) company, providing enterprise solutions to bridge disparate work groups, IT systems, and business processes.”

Source: RevenueBase Database · checked Sep 24, 2026
10
I2a Solutions INC
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5025 contacts →

Indirect evidence

“At i2a Solutions, we transform our client’s ideas into innovative applications and solutions that deliver a high business impact.”

Source: RevenueBase Database · checked Sep 24, 2026
11
Natural Networks, INC
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5024 contacts →

Indirect evidence

“Natural Networks specializes in combining sound business strategies with cutting edge technologies to provide effective and comprehensive enterprise solutions for our customers.”

Source: RevenueBase Database · checked Sep 24, 2026
12
Altumind Tech
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20022 contacts →

Indirect evidence

“Altumind enables its clients to achieve digital transformation with tangible outcomes.”

Source: RevenueBase Database · checked Sep 24, 2026
13
Border UX
Partial evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5022 contacts →

Partial evidence

“Border UX: UX strategy, design systems, and research engines for enterprise software.”

Source: RevenueBase Database · checked Sep 24, 2026
14
Webcentriq
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20021 contacts →

Indirect evidence

“We specialize in digital innovation and transformation.”

Source: RevenueBase Database · checked Sep 24, 2026
15
Swazei
Strong evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5020 contacts →

Strong evidence

“Software Design and Development Platform with a passion to create intuitive products.”

Source: RevenueBase Database · checked Sep 24, 2026
16
Axiom Xcell, INC
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5018 contacts →

Indirect evidence

“Axiom xCell is a leading mobile applications developer based in San Diego, CA.”

Source: RevenueBase Database · checked Sep 24, 2026
17
Fusion Media Solutions, INC
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5016 contacts →

Indirect evidence

“We specialize in the creation of sophisticated and engaging web and mobile solutions for innovative clients around the world.”

Source: RevenueBase Database · checked Sep 24, 2026
18
Search Rebel LLC
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5016 contacts →

Indirect evidence

“Embrace Disruption.”

Source: RevenueBase Database · checked Sep 24, 2026
19
Digital Crafters
Partial evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20015 contacts →

Partial evidence

“Digital Crafters is a web design and development company and we believe in providing high-quality value-added IT solutions to our clients.”

Source: RevenueBase Database · checked Sep 24, 2026
20
Sunrise Apps
Partial evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202651-20015 contacts →

Partial evidence

“Sunrise Apps is a US-registered mobile & web development company.”

Source: RevenueBase Database · checked Sep 24, 2026
21
Ifline Technologies
Partial evidenceSan Diego, United StatesHQ checked Sep 24, 202611-5014 contacts →

Partial evidence

“IFLINE Software will assist your company in constituting new opportunities for enhancement by greatly diminishing the costs attributed in managing web and software applications.”

Source: RevenueBase Database · checked Sep 24, 2026
22
SD Sharp
Strong evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5013 contacts →

Strong evidence

“SD Sharp is a boutique Software Development agency with one of the best Dev Teams in California.”

Source: RevenueBase Database · checked Sep 24, 2026
23
ESR Tech
Partial evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5012 contacts →

Partial evidence

“We build software and applications, as well as provide consultation to small and medium-sized businesses on process automation, data science, data security and other aspects of…”

Source: RevenueBase Database · checked Sep 24, 2026
24
Barefoot Solutions
Partial evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5011 contacts →

Partial evidence

“Based in San Diego, Barefoot Solutions is an innovative custom web and mobile application development company.”

Source: RevenueBase Database · checked Sep 24, 2026
25
Innoworx
Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 24, 202611-5010 contacts →

Indirect evidence

“InnoWorx is an IT solutions company delivering end-to-end technology services from strategy consulting to implementation and long-term support.”

Source: RevenueBase Database · checked Sep 24, 2026

Showing 25 of 125 customized software development services based in San Diego, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 438 reachable decision-makers.

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Customized software development services based in San Diego, United States at a glance

As of Sep 24, 2026
21.6%Verified-email coverage
16.2Average contacts per company
1-10Median size (employees)
483.2%Largest-city concentration · New York
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
63
11-50
43
51-200
16
201-500
3

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 125 companies.

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 customized 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 San Diego, United States whose own description of what they do matches “customized 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 customized 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 customized software development services, and records with no verified work email. Companies headquartered outside San Diego 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, 438 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.

Customized software development services by metro in the United States

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 customized 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 customized software development services are there based in San Diego, United States?

RevenueBase identified 125 customized software development services headquartered in San Diego, 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?

Integrant, INC, headquartered in San Diego, tops this list with the largest team on record.

Which city has the most customized software development services?

New York leads with 604 headquartered companies, followed by Austin (374) and Houston (280).

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 438 verified decision-maker contacts tracked across these 125 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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