Company lists · Data refreshed September 2026
Top 25 IT infrastructure management services based in San Diego, United States
RevenueBase identified 95 IT infrastructure management services headquartered in San Diego, United States as of September 2026 and tracks 790 professional contacts across them, including 393 with verified work emails. New York is the largest hub.
This list covers IT infrastructure management 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 21, 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 IT infrastructure management services based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 119 contacts → | ||||
Indirect evidence “At FIT Solutions, our service starts with who we are, rather than just what we know.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 97 contacts → | ||||
Partial evidence “Managed Solution was founded in 2002 and quickly earned recognition as one of San Diego’s 40 fastest-growing companies and the 27th fastest-growing IT company in Southern…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 56 contacts → | ||||
Partial evidence “Your organization requires IT to help it drive innovation, profitability, and security.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 32 contacts → | ||||
Strong evidence “Leveraging technology to provide users with a reliable and efficient IT infrastructure that aligns with business goals.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 28 contacts → | ||||
Strong evidence “Founded in 1985, ITCM provides businesses with solutions that keep your IT infrastructure intact.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 23 contacts → | ||||
Indirect evidence “Since 1983, Datel Systems, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 23 contacts → | ||||
Partial evidence “At ISC, we provide comprehensive IT solutions tailored to the diverse needs of modern businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 22 contacts → | ||||
Strong evidence “Founded in sunny San Diego, CA in 2011, Cireson has always pursued a single, powerful mission: to be the leading innovator in Microsoft IT Service Management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Partial evidence “Kazmarek Technology Solutions is a San Diego IT Firm with over 20 years of successful partnership with local clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 15 contacts → | ||||
Partial evidence “WY Technology – Complete IT Solutions for Progressive Businesses Founded in WY Technology was created to help businesses leverage technology and find innovative solutions to the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Partial evidence “Mariela Collins launched Excedeo 18 years ago because she recognized that small and mid-size companies need the full service of an in-house IT Department without the high staffing…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 12 contacts → | ||||
Indirect evidence “Rated A+ by CSCI Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12 contacts → | ||||
Indirect evidence “The need for technical resources in the RIGHT place, with the RIGHT skill set, at the Right time for the Right price has been growing ever more challenging.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Strong evidence “IT Strategy Consulting | Information Technology Consultants | IT Infrastructure Management Ciprus Consulting provides world-class outsourced IT support and management to…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Partial evidence “619 IT is an IT Managed Services Company providing skilled technical support to San Diego businesses since 2001.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Partial evidence “SpotLink, a leading technology solutions firm based in San Diego, provides reliable, personalized network solutions, application development and managed IT services to small and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Indirect evidence “Agent Direct, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Strong evidence “Skyline IT Services helps businesses stay productive, secure, and prepared through responsive support, proactive management, and practical technology guidance.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Partial evidence “We offer business office IT services including desktop repair, server installation, system upgrades and maintenance, network installation and configuration, and disaster recovery…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Partial evidence “We lead in innovative IT services, driving efficiency, productivity, and growth.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Strong evidence “YEARS OF COMBINED COMPUTER SERVICE, IT TECH SUPPORT EXPERIENCE FOR SYSTEM & NETWORK ADMINISTRATION AND MANAGEMENT.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Partial evidence “SpeySide IT is an experienced IT solution provider, from complete desktop and application support to full scale data center design security and maintenance.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Partial evidence “First Team IT is a full capability information technology Managed Service Provider (MSP) that prides itself on not only the knowledge and skill we bring to each engagement, but…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “Digital Consulting Group (DCG) was created by seasoned services professionals to establish an organization that could focus on customer’s needs while providing a world class…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Partial evidence “Reliable IT Support and Service 7 days / week 24 hours / day Unforeseen business disasters can strike anytime - are you prepared?” Source: RevenueBase Database · checked Sep 21, 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: IT infrastructure management services. 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 IT infrastructure management services.
- Partial evidence
- Its own public description names part of IT infrastructure management services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT infrastructure management services. 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 95 IT infrastructure management services based in San Diego, United States
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IT infrastructure management services based in San Diego, United States at a glance
As of Sep 21, 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 95 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 IT infrastructure management 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 “IT infrastructure management 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 IT infrastructure management 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 IT infrastructure management 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, 393 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 21, 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.
IT infrastructure management services by metro in the United States
- IT infrastructure management services in New York293
- IT infrastructure management services in Houston208
- IT infrastructure management services in Chicago125
- IT infrastructure management services in Miami125
- IT infrastructure management services in Dallas123
- IT infrastructure management services in Austin109
- IT infrastructure management services in Atlanta101
- IT infrastructure management services in Los Angeles95
- IT infrastructure management services in San Diego95
- IT infrastructure management services in Tampa72
- IT infrastructure management services in Irvine68
- IT infrastructure management services in San Francisco67
- IT infrastructure management services in Charlotte66
- IT infrastructure management services in Las Vegas65
- IT infrastructure management services in Phoenix61
- IT infrastructure management services in San Antonio60
- IT infrastructure management services in Denver58
- IT infrastructure management services in Orlando58
- IT infrastructure management services in San Jose54
- IT infrastructure management services in Seattle53
- IT infrastructure management services in Columbus45
- IT infrastructure management services in Portland45
- IT infrastructure management services in Plano44
- IT infrastructure management services in Indianapolis43
- IT infrastructure management services in Wilmington41
- IT infrastructure management services in Irving38
- IT infrastructure management services in Nashville38
- IT infrastructure management services in Washington38
- IT infrastructure management services in Louisville37
- IT infrastructure management services in Pittsburgh34
- IT infrastructure management services in Troy34
- IT infrastructure management services in Cincinnati33
- IT infrastructure management services in Jacksonville33
- IT infrastructure management services in Arlington32
- IT infrastructure management services in Boca Raton32
- IT infrastructure management services in Fort Lauderdale32
- IT infrastructure management services in Philadelphia32
- IT infrastructure management services in Richmond32
- IT infrastructure management services in Frisco31
- IT infrastructure management services in Birmingham30
- IT infrastructure management services in Boston30
- IT infrastructure management services in Raleigh30
- IT infrastructure management services in Alpharetta28
- IT infrastructure management services in Fort Worth28
- IT infrastructure management services in Greenville28
- IT infrastructure management services in Omaha28
- IT infrastructure management services in Sacramento28
- IT infrastructure management services in Tucson28
- IT infrastructure management services in Grand Rapids27
- IT infrastructure management services in Sheridan27
- IT infrastructure management services in Newark26
- IT infrastructure management services in Scottsdale26
- IT infrastructure management services in Cleveland25
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 IT infrastructure management 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 IT infrastructure management services are there based in San Diego, United States?
RevenueBase identified 95 IT infrastructure management 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?
FIT Solutions, LLC, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most IT infrastructure management services?
New York leads with 293 headquartered companies, followed by Houston (208) and Chicago (125).
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 393 verified decision-maker contacts tracked across these 95 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 21, 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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