Company lists · Data refreshed September 2026

Top 24 IT managed service providers based in San Diego, United States

RevenueBase identified 83 IT managed service providers headquartered in San Diego, United States as of September 2026 and tracks 677 professional contacts across them, including 358 with verified work emails. New York is the largest hub.

This list covers IT managed service providers 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review
83Companies
677Contacts tracked
358Verified emails
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The 24 largest IT managed service providers based in San Diego, United States

Ranked by team size
Top 24 of 83 IT managed service providers based in San Diego, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names IT managed service providers: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Managed SolutionStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 202651-20094

Managed Solution was founded in 2002 and was quickly recognized as one of San Diego’s 40 fastest growing companies and the 27th fastest growing IT company in Southern California.”

Source: company website · checked Sep 4, 2026
2
NTH Generation ComputingPartial evidence
San Diego, CA, United StatesHQ checked Sep 4, 202651-20088

“Since 1991, Nth Generation has provided industry leading, consultative IT services, encompassing a suite of IT and security solutions.”

Source: company website · checked Sep 4, 2026
3
Bird Rock SystemsPartial evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-5056

“Your organization requires IT to help it drive innovation, profitability, and security.”

Source: company website · checked Sep 4, 2026
4
ITCMPartial evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-5028

“Founded in 1985, ITCM provides businesses with solutions that keep your IT infrastructure intact.”

Source: company website · checked Sep 4, 2026
5
ISC Group, LLCPartial evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-5022

“At ISC, we provide comprehensive IT solutions tailored to the diverse needs of modern businesses.”

Source: company website · checked Sep 4, 2026
6
CompuonePartial evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-5021

“We are now serving IT needs in the greater Chicago area!”

Source: company website · checked Sep 4, 2026
7
Lansolutions LLCIndirect evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-5018

“LANSolutions joined forces with Endsight in December 2021.”

Source: company website · checked Sep 4, 2026
8
ExcedeoPartial evidence
San Diego, United StatesHQ checked Sep 4, 202611-5015

“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: company website · checked Sep 4, 2026
9
Pacific IT SolutionsPartial evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-1014

“San Diego based IT Manged Service Provider.”

Source: company website · checked Sep 4, 2026
10
Ciprus ConsultingStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-1011

IT Strategy Consulting | Information Technology Consultants | IT Infrastructure Management Ciprus Consulting provides world-class outsourced IT support and management to…”

Source: company website · checked Sep 4, 2026
11
619 ITStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-5010

“619 IT is an IT Managed Services Company providing skilled technical support to San Diego businesses since 2001.”

Source: company website · checked Sep 4, 2026
12
XonicwaveStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-508

“Xonicwave specializes in delivering premier IT Managed Services and Solutions in Southern California.”

Source: company website · checked Sep 4, 2026
13San Diego, CA, United StatesHQ checked Sep 4, 202611-508

“Pointivity helps you innovate and grow with Cloud Smart solutions.”

Source: company website · checked Sep 4, 2026
14
ALL PRO SupportIndirect evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-108

“Agent Direct, Inc.”

Source: company website · checked Sep 4, 2026
15
Skyline IT Services, INCStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-507

“Skyline IT Services helps businesses stay productive, secure, and prepared through responsive support, proactive management, and practical technology guidance.”

Source: company website · checked Sep 4, 2026
16
Network TitanStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-507

“Network Titan provides Managed and Co-Managed IT Support and Cybersecurity Services delivering expert, rapid response complete IT Support, Networking, Server, Cloud Solutions…”

Source: company website · checked Sep 4, 2026
17
UcrightIndirect evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-105

“UCright is a full service MSP, VAR and Systems Integrator.”

Source: company website · checked Sep 4, 2026
18
Techit Services LLCStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-105

“YEARS OF COMBINED COMPUTER SERVICE, IT TECH SUPPORT EXPERIENCE FOR SYSTEM & NETWORK ADMINISTRATION AND MANAGEMENT.”

Source: company website · checked Sep 4, 2026
19
First Team ITStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-104

“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: company website · checked Sep 4, 2026
20
Itlogic, INCStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-104

“With over 20 years of IT experience, ITLogic has been providing both Managed and Professional IT services for small to medium-sized businesses in the San Diego area.”

Source: company website · checked Sep 4, 2026
21San Diego, CA, United StatesHQ checked Sep 4, 202611-503

“eIRONclad Technology Solutions services forward thinking companies with their technology needs.”

Source: company website · checked Sep 4, 2026
22
724itPartial evidence
San Diego, CA, United StatesHQ checked Sep 4, 202611-503

“Reliable IT Support and Service 7 days / week 24 hours / day Unforeseen business disasters can strike anytime - are you prepared?”

Source: company website · checked Sep 4, 2026
23
SAN Diego IT ProsStrong evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-103

IT Consulting firm based in San Diego, offering consulting on security, network management, infrastructure, cloud services, and more.”

Source: company website · checked Sep 4, 2026
24
Tech KahunasIndirect evidence
San Diego, CA, United StatesHQ checked Sep 4, 20261-103

“We’re Tech Kahunas – creating a shift from the old approach to technology.”

Source: company website · checked Sep 4, 2026

Showing 24 of 83 IT managed service providers based in San Diego, United States

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IT managed service providers based in San Diego, United States at a glance

As of Sep 4, 2026
1-10Median size (employees)
New YorkLargest hub · 250 HQs
Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
49
11-50
32
51-200
2

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 83 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 managed service providers, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 managed service providers”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among IT managed service providers, 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 an evidence 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, 358 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 4, 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 managed service providers by metro in the United States

Frequently asked

How many IT managed service providers are there based in San Diego, United States?

RevenueBase identified 83 IT managed service providers 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?

Managed Solution, headquartered in San Diego, tops this list with the largest team on record.

Which city has the most IT managed service providers?

New York leads with 250 headquartered companies, followed by Houston (181) and Miami (108).

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 358 verified decision-maker contacts tracked across these 83 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 4, 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 SmartSearch, 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.