Company lists · Data refreshed September 2026
Top 25 Business systems integration firms based in San Diego, United States
RevenueBase identified 62 business systems integration firms headquartered in San Diego, United States as of September 2026 and tracks 1,249 professional contacts across them, including 303 with verified work emails. Across the United States, Houston is the largest hub for this category (205 companies); San Diego has 62.
This list covers business systems integration firms 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 28, 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 25 largest business systems integration firms 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 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 307 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 79 contacts → | ||||
Indirect evidence “Raso360 is a global leader in onshore consulting and offshore delivery solutions, specializing in top-notch enterprise software platforms such as SAP, Oracle, Salesforce…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 46 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 26 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 24 contacts → | ||||
Partial evidence “Rapid POS is a certified NCR Counterpoint point-of-sale reseller and systems integrator providing software, hardware, installation, training, and support for retail stores in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 23 contacts → | ||||
Indirect evidence “Intelecox is a technology solutions and consulting company helping enterprises streamline operations, scale delivery teams, and accelerate digital transformation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 22 contacts → | ||||
Indirect evidence “Altumind enables its clients to achieve digital transformation with tangible outcomes.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 20 contacts → | ||||
Indirect evidence “QuadKor helps our clients gain insight into their business so owners and managers can sleep better at night.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Partial evidence “Ariston Consulting & Technologies is a full service systems integrator specializing SAP ERP implementations for the public sector and utilities industries.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Indirect evidence “Rated A+ by CSCI Inc.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 12 contacts → | ||||
Partial evidence “5P Consulting is a boutique Information Management & System Implementation firm.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Indirect evidence “Bayside specializes in finding new ways to use technology to help its clients’ businesses run smoothly and more efficiently.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 contacts → | ||||
Indirect evidence “Lynx Solutions is an American-owned and operated Business Intelligence (BI) and Enterprise Performance Management (EPM)- Strategy and Implementation Consultancy company…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence “1903 Solutions is a San Diego headquartered integrator specializing in Networking, Storage and Security.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Partial evidence “Opt Tech is an enterprise-focused systems integrator and value-added reseller of IT solutions and services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 contacts → | ||||
Partial evidence “We're the experts in SyteLine and best of breed solutions, ensuring seamless integrations for your organization.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Partial evidence “UCright is a full service MSP, VAR and Systems Integrator.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Partial evidence “Your systems should work together.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “ShadowStream integrates data from internal teams, external collaborators, and contractors for timely insights.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “At Blue Sage Software we dedicate ourselves to improving the operations of our customers so they can focus on their business.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “Leprechaun Consulting is a software consulting firm that offers consulting and implementation services to companies using PSA and/or ERP software to run their business.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 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 28, 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: business systems integration firms. 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 business systems integration firms.
- Partial evidence
- Its own public description names part of business systems integration firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name business systems integration firms. 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 25 of 62 business systems integration firms based in San Diego, United States
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Business systems integration firms based in San Diego, United States at a glance
As of Sep 28, 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 62 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 business systems integration firms, 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 “business systems integration firms”. 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 business systems integration firms), 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 business systems integration firms, 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, 303 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 28, 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.
Business systems integration firms by metro in the United States
- Business systems integration firms in Houston205
- Business systems integration firms in New York200
- Business systems integration firms in Austin148
- Business systems integration firms in Atlanta134
- Business systems integration firms in Chicago132
- Business systems integration firms in Dallas127
- Business systems integration firms in Miami97
- Business systems integration firms in Irving86
- Business systems integration firms in Plano80
- Business systems integration firms in Los Angeles73
- Business systems integration firms in San Francisco71
- Business systems integration firms in Irvine68
- Business systems integration firms in Alpharetta65
- Business systems integration firms in Charlotte64
- Business systems integration firms in Tampa63
- Business systems integration firms in Denver62
- Business systems integration firms in Boston61
- Business systems integration firms in Frisco60
- Business systems integration firms in Orlando55
- Business systems integration firms in Minneapolis52
- Business systems integration firms in Seattle50
- Business systems integration firms in Washington49
- Business systems integration firms in Phoenix48
- Business systems integration firms in Princeton47
- Business systems integration firms in Fremont44
- Business systems integration firms in San Jose44
- Business systems integration firms in Indianapolis43
- Business systems integration firms in Wilmington40
- Business systems integration firms in Herndon39
- Business systems integration firms in Sheridan38
- Business systems integration firms in Columbus37
- Business systems integration firms in San Antonio36
- Business systems integration firms in Las Vegas33
- Business systems integration firms in Pittsburgh33
- Business systems integration firms in Reston33
- Business systems integration firms in Santa Clara33
- Business systems integration firms in Naperville32
- Business systems integration firms in Portland32
- Business systems integration firms in Troy31
- Business systems integration firms in Bellevue30
- Business systems integration firms in Raleigh29
- Business systems integration firms in Columbia28
- Business systems integration firms in Edison28
- Business systems integration firms in Newark28
- Business systems integration firms in Dublin27
- Business systems integration firms in Sacramento27
- Business systems integration firms in Schaumburg27
- Business systems integration firms in Cincinnati26
- Business systems integration firms in Scottsdale26
- Business systems integration firms in Mckinney25
- Business systems integration firms in Pleasanton25
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 business systems integration firms, 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 business systems integration firms are there based in San Diego, United States?
RevenueBase identified 62 business systems integration firms 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 business systems integration firms?
Houston leads the United States with 205 headquartered companies, followed by New York (200) and Austin (148). San Diego has 62.
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 303 verified decision-maker contacts tracked across these 62 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 28, 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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