MSPSIG.DIR · state · as of 2026-10-28

Managed service providers in California

593 managed service providers are tracked in California. Jones IT ranks highest by MSP score. Rated providers average 4.73 on Google.

✓ MSPs only Claimed Rated Cybersecurity Managed IT Compliance Backup and disaster recovery Microsoft 365

Providers tracked593

Top rankedJones ITSan Francisco · MSP score 89

Rated providers average4.73★on Google · median score 50

Ranked by MSP score

top 50 of 593 shown · sort: score / best reviewed

Filtered: MSPs only · Network management · clear

MSP score parts:Reputation (up to 30)Presence (up to 25)Credibility (up to 20)Scale (up to 15)Momentum (up to 10)

#ProviderServicesGoogleMSP scoreTrending

001

Jones ITSan Francisco · MSP · 100-249Managed ITCo-managed ITCybersecurity5.0★ (426)89100

002

XantrionLafayette · MSP · 100-249Managed ITManaged CybersecurityIT consulting4.9★ (80)88100

003

centrexITPoway · MSP · 50-99Managed ITCybersecurityCloud migration4.9★ (53)8350

004

IgnitionSan Francisco · MSP · 250+Mobile Device ManagementCybersecurityCompliance5.0★ (24)8225

005

GroupOneSacramento · MSP · 50-99Managed ITCo-managed ITHelp Desk5.0★ (55)80100

006

XceptionalSan Diego · MSP · 50-99Managed ITCo-managed ITCybersecurity4.6★ (10)8075

007

ClearFuze Networks, Inc.Los Angeles · MSP · 25-49Managed ITCybersecurityCompliance5.0★ (54)7775

008

Method TechnologiesCypress · MSP · 25-49Managed ITCo-managed ITInternet Phone Service5.0★ (60)7775

009 $Infracore logo$ InfracoreSan Diego · MSP · 50-99Managed ITCybersecurityCloud migration5.0★ (14)7775

010

Methodology ITLos Angeles · MSP · 5-9Managed ITCybersecurityHelp Desk5.0★ (161)77100

011

AlvakaIrvine · MSP · 50-99Vulnerability ManagementRansomware PreventionRansomware Recovery4.9★ (15)7575

012

Onsite Computing, Inc.Corona · MSP · 10-24Managed ITCo-managed ITCloud migration5.0★ (62)7550

013

eTop Technology, IncRedlands · MSP · 10-24Managed ITCo-managed ITCybersecurity4.8★ (23)75100

014

CompuOneSan Diego · MSP · 25-49Microsoft 365Cloud migrationBackup and disaster recovery4.7★ (13)7575

015

AllConnectedSimi Valley · MSP · 25-49Managed ITCloud migrationBackup and disaster recovery5.0★ (6)7450

016

Kotman TechnologyFresno · MSP · 25-49Help DeskManaged ITNetwork management4.8★ (36)7475

017

Fusion Factor CorporationCarlsbad · MSP · 25-49Managed ITEmail ProtectionMicrosoft 3654.8★ (6)7350

018

Bay ComputingConcord · MSP · 10-24Managed ITHelp DeskNetwork management5.0★ (43)7325

019

CIO SolutionsFresno · MSP · 50-99Help DeskManaged ITCybersecurity4.5★ (8)7375

020

One82, LLC.Los Gatos · MSP · 5-9Managed ITCybersecurityCompliance5.0★ (36)7325

021

Legend NetworkingLos Angeles · MSP · 25-49Managed ITCybersecurityNetwork management4.8★ (73)7225

022

BRITECITY - IT Services in Orange County, CAIrvine · MSP · 25-49Managed ITCybersecurityCloud migration5.0★ (85)720

023

Techmedics®Pasadena · MSP · 10-24Managed ITCo-managed ITIT consulting5.0★ (22)7250

024

FUSE3Fair Oaks · MSP · 25-49Managed ITCybersecurityBackup and disaster recovery5.0★ (382)7225

025

Mann ConsultingSan Francisco · MSP · 50-99Network managementHelp DeskBackup and disaster recovery4.7★ (29)7250

026

TLC Tech, Inc.Sacramento · MSP · 25-49Managed ITCo-managed ITIT consulting4.9★ (254)7125

027

CorporateTechIrvine · MSP · 10-24Managed ITHelp DeskNetwork management4.8★ (22)7125

028

TrustedTechIrvine · MSP · 250+Microsoft 365Cloud migrationIT consulting4.7★ (299)7125

029

Generation IX TechnologiesCulver City · MSP · 25-49Managed ITHelp DeskCo-managed IT4.8★ (31)7150

030

STG InfotechWest Hollywood · MSP · 25-49Managed ITHelp DeskBackup and disaster recovery5.0★ (103)7150

031

Digicom Technology SolutionsSanta Rosa · MSP · 10-24Co-managed ITCybersecurityManaged IT5.0★ (26)7150

032

Alcala Consulting IncPasadena · MSP · 5-9Managed ITHelp DeskNetwork management5.0★ (19)7125

033

Umetech, Inc.Temecula · MSP · 5-9Managed ITCybersecurityNetwork management5.0★ (36)7025

034

Sonic SystemsVictorville · MSP · 10-24Managed ITHelp DeskNetwork management4.5★ (24)7025

035

Diamond ITBakersfield · MSP · 25-49Managed ITCo-managed ITFully Managed IT4.9★ (89)700

036

Alvarez Technology GroupSalinas · MSP · 25-49Managed ITCo-managed ITVoIP4.4★ (15)7050

037

TechcarecomputersLos Angeles · MSP · 5-9Managed ITNetwork managementNetwork Security4.8★ (50)70100

038

Valley Techlogic IncAtwater · MSP · 10-24Managed ITHelp DeskBackup and disaster recovery4.9★ (46)7025

039

Mitec SolutionsVentura · MSP · 10-24IT SupportCybersecurityNetwork management4.9★ (56)6925

040

Alcott EnterprisesTorrance · MSP · 1-4Managed ITCo-managed ITHelp Desk5.0★ (70)6975

041

Turner TechtronicsBurbank · MSP · 50-99Managed ITCybersecurityCollaboration Conferencing5.0★ (54)690

042

We Solve ProblemsLos Angeles · MSP · 10-24Managed ITCybersecurityCompliance5.0★ (10)6950

043

BCT Consulting, IncFresno · MSP · 50-99Managed ITHelp DeskCybersecurity5.0★ (7)6925

044

Skyriver ITSan Diego · MSP · 25-49Managed ITCybersecurityIT consulting4.9★ (116)6925

045

Data Net Solutions GroupSan Diego · MSP · 25-49Managed ITCloud migrationHelp Desk5.0★ (6)680

046

IronOrbitAnaheim · MSP · 50-99Managed ITCloud migrationHelp Desk4.8★ (47)680

047

IntelecisFullerton · MSP · 10-24Managed ITHelp DeskCo-managed IT5.0★ (36)680

048

TechHeights - Business IT Services Orange CountyIrvine · MSP · 50-99Managed ITCybersecurityCloud migration4.7★ (0)6825

049

Quest InternationalIrvine · MSP · 250+Managed ITHelp DeskBackup and disaster recovery4.4★ (8)6825

050

TechXpressBakersfield · MSP · 10-24Managed ITCloud ServicesCybersecurity4.9★ (69)6850

Showing 50 of 593 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-28

50.1

Median MSP scoreof California providers

Publish a DMARC policyof California providers

49%

Claim 24/7 supportof California providers

Median headcountemployees

121 cities in California carry exactly one tracked provider.

** end of report **

Cities in California

top 12 of 120 · providers tracked

43Irvine

15Fresno

From our research

MSPSIG.WIRE

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How many managed service providers are in California?

593 tracked as of 2026-10-28.

Which provider ranks highest in California?

Jones IT, by MSP score.

What is the median size of a provider here?

6 employees.

Listed in California?

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