Company lists · Data refreshed September 2026
Top 21 Custom software integrators based in San Diego, United States
RevenueBase identified 42 custom software integrators headquartered in San Diego, United States as of September 2026 and tracks 1,495 professional contacts across them, including 302 with verified work emails. Across the United States, New York is the largest hub for this category (196 companies); San Diego has 42.
This list covers custom software integrators 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 29, 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.
The 21 largest custom software integrators based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 455 contacts → | ||||
Indirect evidence “Our Mission: TIG will earn its place as a trusted partner to our clients, providing only the highest level of service, value and advanced technology to power their strategic…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 280 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 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 81 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 59 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 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 46 contacts → | ||||
Indirect evidence “Cyth Systems has over two decades of providing the technology and expertise you need to be successful on Automation, Measurement, and Controls projects.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 26 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 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 25 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 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 24 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 15 contacts → | ||||
Indirect 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 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 10 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 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Partial evidence “1903 Solutions is a San Diego headquartered integrator specializing in Networking, Storage and Security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 4 contacts → | ||||
Partial evidence “From pre-sales engineering to software development to implementing and supporting software products, we're here to help with all your software consulting needs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Indirect evidence “Novus[tek] is an Information Technology (IT) Consulting Firm that focuses on technology solutions for small businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Partial evidence “No two facilities are alike, so that’s why it’s our mission to provide software solutions for your facility automation projects that meet your business’s unique needs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Partial evidence “We build software that powers business growth.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Partial evidence “Sqware Logics is a software development and consulting company founded by a small group of engineers with decades of experience creating unique solutions to complex technical…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Partial evidence “At Websbite, we build custom applications from the ground up, meticulously crafting solutions perfectly tailored to your unique needs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Indirect evidence “Glacier Strategies is a firm that has been designed to take the technology questions off of your plate allowing you to work in your business while we work on it.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Partial evidence “Our software consulting practice specializes in providing cutting-edge technical solutions tailored to complex business challenges.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Partial evidence “Heitech Custom Solutions, LLC is a full-service consulting company based in San Diego, CA.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: custom software integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names custom software integrators.
- Partial evidence
- Its own public description names part of custom software integrators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name custom software integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 21 of 42 custom software integrators based in San Diego, United States
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Custom software integrators based in San Diego, United States at a glance
As of Sep 29, 2026Companies by employee count
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 42 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 custom software integrators, 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 “custom software integrators”. 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 integrators), 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 integrators, 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, 302 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 29, 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 integrators by metro in the United States
- Custom software integrators in New York196
- Custom software integrators in Houston127
- Custom software integrators in Austin119
- Custom software integrators in Miami91
- Custom software integrators in Chicago90
- Custom software integrators in Dallas87
- Custom software integrators in Atlanta80
- Custom software integrators in Los Angeles72
- Custom software integrators in San Francisco68
- Custom software integrators in Irving64
- Custom software integrators in Charlotte54
- Custom software integrators in Sheridan53
- Custom software integrators in Tampa49
- Custom software integrators in Frisco44
- Custom software integrators in Irvine44
- Custom software integrators in Alpharetta43
- Custom software integrators in Seattle43
- Custom software integrators in Denver41
- Custom software integrators in Plano41
- Custom software integrators in Phoenix38
- Custom software integrators in Boston37
- Custom software integrators in Wilmington37
- Custom software integrators in Minneapolis32
- Custom software integrators in Orlando32
- Custom software integrators in San Jose30
- Custom software integrators in Columbus28
- Custom software integrators in Washington28
- Custom software integrators in Herndon27
- Custom software integrators in Indianapolis26
- Custom software integrators in Newark26
- Custom software integrators in Portland26
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 integrators, 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 integrators are there based in San Diego, United States?
RevenueBase identified 42 custom software integrators 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?
Technology Integration Group, headquartered in San Diego, tops this list with the largest team on record.
Which city in the United States has the most custom software integrators?
New York leads the United States with 196 headquartered companies, followed by Houston (127) and Austin (119). San Diego has 42.
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 302 verified decision-maker contacts tracked across these 42 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 29, 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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