Company lists · Data refreshed September 2026

Top 25 IT services companies based in Irvine, United States

RevenueBase identified 113 IT services companies headquartered in Irvine, United States as of September 2026 and tracks 1,986 professional contacts across them, including 423 with verified work emails. New York is the largest hub.

This list covers IT services companies headquartered in Irvine, 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
113Companies
1,986Contacts tracked
423Verified emails
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The 25 largest IT services companies based in Irvine, United States

Ranked by team size
Top 25 of 113 IT services companies based in Irvine, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names IT services companies: 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
Xavor CorporationIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202651-200262

“Xavor has been a trusted technology partner to Fortune 500s, SMEs, and startups for over 3 decades.”

Source: company website · checked Sep 4, 2026
2
Nexinfo Solutions, INCIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 2026201-500238

“NexInfo is a specialized consulting company improving business processes and process automation in the Supply Chain and Product Lifecycle Management domains.”

Source: company website · checked Sep 4, 2026
3
EjamericaStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 2026501-1,000129

“We provide Digital Application Services, Cyber Security Services, IT Consulting Services, Modern End-User Services, Data Center and Cloud Services and IT Staffing services.”

Source: company website · checked Sep 4, 2026
4
O2 Technologies,incIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 20261,001-5,000100

“O2 Technology attracts imaginative citizens from all types of backgrounds, bringing together excitement and new dreams to meet challenges and appreciate their talent.”

Source: company website · checked Sep 4, 2026
5
West Coast ConsultingIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 2026201-50088

“West Coast Consulting is a privately held boutique consulting firm formed in 1998, specializing in providing Information Technology solutions and Outsourcing services.”

Source: company website · checked Sep 4, 2026
6
IndusaStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 2026501-1,00081

“Synoptek (previously Indusa) is a global systems integrator and managed IT services provider, offering comprehensive IT management and consultancy services to organizations…”

Source: company website · checked Sep 4, 2026
7
Abotts Consulting INCStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 202651-20064

“ABOTTS is a consulting and staffing services company headquartered in Irvine, California, focused on meeting both IT and non-IT needs of our clients.”

Source: company website · checked Sep 4, 2026
8
SMS DatacenterStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 202651-20050

“Founded in 1982, SMS is a leading provider of Managed Services, IT Strategy & Consulting, Software Development & Analytics, Private Managed Cloud, and Colocation Services.”

Source: company website · checked Sep 4, 2026
9
Technijian IT SupportIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-5040

“Two Decades of Technological Excellence: A Chronicle of Technijian's Evolution Celebrating 24 years in the business, Technijian has been a stalwart force in the ever-evolving…”

Source: company website · checked Sep 4, 2026
10Irvine, CA, United StatesHQ checked Sep 4, 202611-5025

“muVerity is an information technology consulting and business solutions company that aspires to be the helm in your digital transformation journey.”

Source: company website · checked Sep 4, 2026
11Irvine, CA, United StatesHQ checked Sep 4, 202611-5020

“LAN WAN Enterprise is the market-leading Managed IT Services and Solutions provider in Orange County.”

Source: company website · checked Sep 4, 2026
12
Innova Global TechnologyStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 2026501-1,00018

“Most IT directors and professionals hate to find themselves stressed, trying to manage daunting & never ending deliverable.”

Source: company website · checked Sep 4, 2026
13
Flying ButtressStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-5013

“Flying Buttress is the leading provider of IT solutions for the Architectural and Engineering & Design industries.”

Source: company website · checked Sep 4, 2026
14Irvine, CA, United StatesHQ checked Sep 4, 202611-5012

“NetMinded provides full service IT support for small businesses in Southern California.”

Source: company website · checked Sep 4, 2026
15Irvine, CA, United StatesHQ checked Sep 4, 202611-509

“The Integration Works, LLC is an IT Services Company specializing in Managed Services for small to medium sized businesses, including Hosted Services, Cloud Services, Security…”

Source: company website · checked Sep 4, 2026
16
Final Connect CorpStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 20261-108

“Contact us at (877) 287-9751 Managed IT Services - Providing cost protection and operational efficiencies through fixed fee, proactive maintenance and support services.”

Source: company website · checked Sep 4, 2026
17
Oncall It, INCIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-507
Source: company website · checked Sep 4, 2026
18
Amicus MSPStrong evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-507

“We Solve IT For You!”

Source: company website · checked Sep 4, 2026
19
M9 CloudIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-507

“M9 Cloud offers a full suite of affordable & scalable outsourcing & professional services solutions (including):* Cyber Security Services * Infrastructure as a Service (IaaS)…”

Source: company website · checked Sep 4, 2026
20
CorporatetechIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-506

“Technology can be very difficult to manage in-house and not to mention very costly.”

Source: company website · checked Sep 4, 2026
21Irvine, CA, United StatesHQ checked Sep 4, 20261-106

“Integrated Computer Technologies, Inc.(ICT) is a professional, computer networking company delivering Premium Network Managed Services, Incidental Computer Network Support, and…”

Source: company website · checked Sep 4, 2026
22
Springshine Consulting, INCIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-506

“SpringShine Consulting offers the best-in-the-class technology services to small and medium businesses across the world.”

Source: company website · checked Sep 4, 2026
23
ECC Technology ServicesIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202651-2005

“ECC Technology Services takes pride in being your one-stop business services Solution.”

Source: company website · checked Sep 4, 2026
24
Appsforte, INCIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202651-2004

“AppsForte Inc.”

Source: company website · checked Sep 4, 2026
25
ToditechIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 202611-504

“Our mission is to create a secure, reliable, fast and consistent Information Technology environment for our clients.”

Source: company website · checked Sep 4, 2026

Showing 25 of 113 IT services companies based in Irvine, United States

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IT services companies based in Irvine, United States at a glance

As of Sep 4, 2026
11-50Median size (employees)
New YorkLargest hub · 636 HQs
Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
45
11-50
43
51-200
15
201-500
5
501-1,000
3
1,001-5,000
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 Irvine, over 113 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 services companies, 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 Irvine, United States whose own description of what they do matches “IT services companies”. 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 services companies, and records with no verified work email. Companies headquartered outside Irvine 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, 423 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 services companies by metro in the United States

Frequently asked

How many IT services companies are there based in Irvine, United States?

RevenueBase identified 113 IT services companies headquartered in Irvine, 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?

Xavor Corporation, headquartered in Irvine, tops this list with the largest team on record.

Which city has the most IT services companies?

New York leads with 636 headquartered companies, followed by Houston (408) and Austin (303).

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 423 verified decision-maker contacts tracked across these 113 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.