MSPSIG.DIR · state · as of 2026-10-31

IT service providers in California

850 IT service providers are tracked in California, 593 of them MSPs. Jones IT ranks highest by MSP score. Rated providers average 4.69 on Google.

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

Providers tracked850593 MSPs

Top rankedJones ITSan Francisco · MSP score 89

Rated providers average4.69★on Google · median score 49

Ranked by MSP score

top 148 of 434 shown · sort: score / best reviewed

Filtered: rated · 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

Trace3Irvine · IT consulting · 250+Managed ServicesIT consultingAdvisory Services5.0★ (1)84100

004

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

005

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

006

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

007

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

008

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

009

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

010 $Infracore logo$ InfracoreSan Diego · MSP · 50-99Managed ITCybersecurityCloud migration5.0★ (14)7775

011

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

012

DatapathFresno · MSSP · 50-99Managed ITCo-managed ITHelp Desk5.0★ (8)7675

013

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

014

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

015

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

016

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

017

Level Up MSPSan Jose · MSSP · 10-24Managed ITCybersecurityBackup and disaster recovery4.9★ (39)74100

018

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

019

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

020

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

021

Sandler PartnersRedondo Beach · VAR and telecom · 5-9Cloud migrationManaged ServicesIT consulting5.0★ (2)7350

022

E-SolutionsSan Jose · IT consulting · 250+Cloud migrationManaged ITData Analytics4.2★ (5)7375

023

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

024

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

025

Protected HarborBurbank · IT consulting · 50-99Managed ITCybersecurityCloud migration4.9★ (47)730

026

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

027

ISSQUAREDWestlake Village · IT consulting · 250+Managed ITNetwork managementInfrastructure Management5.0★ (1)7350

028

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

029

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

030

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

031

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

032

TechnijianIrvine · MSSP · 25-49Managed ITCybersecurityMdr4.7★ (87)7225

033

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

034

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

035

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

036

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

037

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

038

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

039

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

040

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

041

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

042

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

043

MME Consulting, Inc.Sacramento · IT consulting · 25-49IT SupportBackup and disaster recoveryHIPAA Compliance5.0★ (46)7025

044

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

045

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

046

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

047

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

048

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

049

Sagacent TechnologiesSanta Clara · MSSP · 10-24Managed ITCo-managed ITCybersecurity5.0★ (50)6925

050

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

051

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

052

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

053

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

054

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

055

Natural NetworksSan Diego · Other Business · 10-24Managed ITCo-managed ITIT Support4.7★ (39)6825

056

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

057

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

058

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

059

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

060

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

061

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

062

BrenTechSan Diego · MSP · 25-49Managed ITNetwork managementRemote IT Support5.0★ (38)680

063

Tech Help Los AngelesLos Angeles · MSP · 1-4Managed ITHelp DeskRemote Support5.0★ (38)6775

064

Info TechITLa Mesa · MSP · 5-9Managed ITHelp DeskNetwork management4.8★ (46)6725

065

Nth Generation ComputingSan Diego · MSSP · 50-99Managed ITIT consultingCloud migration5.0★ (3)6725

066

Network RightSan Francisco · MSP · 25-49Fractional ITCybersecurityIT consulting5.0★ (32)6725

067

TerralogicCarrollton · IT consulting · 250+Managed ITHelp DeskIT consulting3.7★ (6)670

068

IT AccuracyLos Angeles · MSP · 25-49Managed ITNetwork managementCybersecurity4.9★ (58)6725

069

seeknet USATorrance · IT consulting · 25-49Web DesignSystem DevelopmentNetwork management5.0★ (3)6750

070

Business PC Support - SacramentoElk Grove · MSP · 5-9Managed ITCybersecurityCo-managed IT5.0★ (1)6750

071

Computer ExpertsSaratoga · MSP · 25-49Managed ITIT consultingHelp Desk4.9★ (42)6625

072

REAL-TIME INFORMATION SERVICESFresno · MSP · 10-24Managed ITManaged CloudHelp Desk4.4★ (33)6625

073

San Diego Computer ConsultingSan Diego · MSP · 10-24Managed ITIT consultingCloud migration4.9★ (59)660

074

NETWORK TITANSan Diego · MSP · 5-9Co-managed ITCybersecurityCMMC Compliance4.9★ (34)660

075

TECHNIC BUSINESS SOLUTIONSIrvine · MSP · 10-24Managed ITCybersecurityEndpoint Protection4.5★ (2)66100

076

Ophtek LLCSan Jose · MSP · 5-9Managed ITCybersecurityBackup and disaster recovery5.0★ (23)6625

077

Obsidian ITRedding · MSP · 10-24Managed ITIT consultingTechnical Projects5.0★ (17)6650

078

C3 Systems & SecurityTorrance · MSP · 10-24Managed ITCybersecurityCloud Management4.9★ (64)6625

079

Eaton & AssociatesBurlingame · MSP · 50-99Managed ITCybersecurityCloud migration4.7★ (3)6625

080

R&B CommunicationsGrass Valley · MSP · 10-24Managed ITHelp DeskNetwork management4.9★ (77)6650

081

AstreyaSan Jose · MSP · 250+Managed ITCloud migrationCloud Infrastructure3.9★ (23)6525

082

Affant Network ServicesCosta Mesa · MSP · 10-24Managed ITNetwork managementCybersecurity4.8★ (19)6525

083

Gravity IT SolutionsRocklin · MSP · 1-4Managed ITHelp DeskNetwork management5.0★ (16)6550

084

Wooden-SpoonSanta Rosa · MSP · 5-9Managed ITHelp DeskNetwork management5.0★ (23)6525

085

ATS CommunicationsConcord · MSP · 25-49Managed ITHelp DeskCybersecurity5.0★ (1)6525

086

FlexisSanta Clara · MSSP · 50-99Monitoring As A ServiceNetwork managementManaged IT4.0★ (4)6525

087

Its CurrieModesto · MSP · 50-99Managed ITCo-managed ITCybersecurity4.8★ (39)6525

088

7 Layer IT SolutionsChatsworth · MSSP · 25-49CybersecurityNetwork managementThreat Detection4.9★ (7)6525

089

Network Thinking SolutionsWestlake Village · MSP · 10-24Managed ITHelp DeskCybersecurity5.0★ (11)6525

090

RedNight ConsultingAliso Viejo · MSP · 5-9Managed ITCloud migrationBackup and disaster recovery5.0★ (9)6525

091

IT Pro SourceLivermore · MSP · 5-9Managed ITHelp DeskCybersecurity5.0★ (13)640

092

Green Shield TechnologyOntario · MSP · 10-24Managed ITInfrastructure DesignNetwork management4.9★ (13)6450

093

Long Beach Computer Repair UpgradeLong Beach · MSP · 1-4Network managementServer SupportVirus Removal4.9★ (163)6475

094

smplsolutionsLake Forest · MSP · 10-24Managed ITCybersecurityBackup and disaster recovery5.0★ (22)640

095

Anchor PointSanta Barbara · MSP · 10-24Managed ITHelp DeskCybersecurity4.8★ (46)6425

096

PagodaSanta Cruz · MSP · 10-24Managed ITCybersecurityBackup and disaster recovery5.0★ (6)6425

097

IT TechProsSan Marcos · MSP · 10-24Managed ITCo-managed ITHelp Desk4.9★ (35)6425

098

IT Total CareFoster City · MSP · 5-9Managed ITCybersecurityHelp Desk4.9★ (85)640

099

Accend NetworksSan Francisco · IT consulting · 25-49IT consultingNetwork managementCybersecurity4.7★ (10)6450

100

Consiliant TechnologiesIrvine · MSP · 10-24Managed ITCloud ImplementationNetwork management4.6★ (11)6425

101

Excel Office ServicesLos Angeles · MSP · 10-24Managed PrintManaged ITUnified Communications5.0★ (23)640

102

Digital Dental SolutionsOrangevale · MSP · 5-9Managed ITHelp DeskBackup and disaster recovery4.7★ (35)6450

103

California TelecomChino · VAR and telecom · 10-24Network MonitoringManaged Sd WanFirewall Management5.0★ (1)6325

104

vCloud TechRolling Hills Estates · IT consulting · 25-49Managed ITCloud migrationCybersecurity2.4★ (5)6375

105

Redfire Technology ServicesUpland · MSP · 5-9Managed ITCybersecurityCloud migration5.0★ (3)6375

106

Teal NetworksWoodland · MSP · 5-9Managed ITCybersecurityBackup and disaster recovery5.0★ (6)6350

107

SimplyRemBurbank · IT consulting · 10-24Managed ITCybersecurityCloud migration5.0★ (8)630

108

New Tech Solutions IncFremont · IT consulting · 50-99Cloud ConsultingCloud migrationCloud Modernization2.3★ (3)6325

109

OC Tech InnovationsIrvine · MSSP · 5-9CybersecurityCloud migrationCloud Modernization5.0★ (67)6325

110

Digital TelecommunicationsSanta Clarita · MSP · 50-99Business PhonesManaged ITStructured Cabling5.0★ (2)630

111

DIGITALSYSTEM TECHNOLOGYCity of Industry · MSP · 25-49Managed ITCloud migrationCybersecurity5.0★ (4)6350

112

Infinity TechnologiesLake Forest · MSP · 50-99Managed ITHelp DeskBackup and disaster recovery1.0★ (1)6350

113

Rely ON ITLos Altos · MSP · 5-9Managed ITIT consultingCybersecurity5.0★ (10)6325

114

ZZ ComputerLos Angeles · MSP · 10-24Managed ITCybersecurityCloud migration5.0★ (63)6225

115

ARRC TechnologyBakersfield · MSP · 50-99Managed ITCybersecurityManaged Email3.9★ (25)6225

116

RiverfySanta Clara · MSP · 5-9Managed ITHelp DeskCybersecurity5.0★ (49)6225

117

Crown EnterprisesStockton · MSP · 100-249Managed ITCybersecurityHelp Desk5.0★ (9)620

118

ProgentSan Jose · MSP · 50-99IT consultingManaged ITHelp Desk1.0★ (1)620

119

CalComm SystemsRedlands · MSP · 1-4VoIPManaged ITHelp Desk5.0★ (11)6225

120

Dew SoftwareFremont · IT consulting · 100-249Application DevelopmentCustom Software DevelopmentApplication Maintenance4.5★ (12)620

121

L3 Networks Inc.Cypress · IT consulting · 25-49Managed ITCybersecurityCloud migration5.0★ (1)6225

122

LA GeeksBeverly Hills · MSP · 25-49Managed ITCybersecurityPenetration Testing5.0★ (32)620

123

Techifornia IT ServicesIrvine · MSP · 5-9Managed ITCybersecurityBackup and disaster recovery5.0★ (6)620

124

Precision IT ConsultingConcord · MSP · 10-24Managed ITIT consultingCybersecurity4.9★ (18)620

125

Infinite Computing TechnologiesValencia · MSP · 10-24Help DeskComplianceNetwork management5.0★ (9)610

126

Integrits CorporationSan Diego · IT consulting · 100-249Network managementCybersecurityIT consulting5.0★ (4)610

127

Masra TechLake Forest · MSP · 5-9IT consultingNetwork managementSecurity4.9★ (45)6150

128

TELADATAFremont · IT consulting · 25-49IT consultingNetwork managementSecurity Systems5.0★ (5)610

129

Modesto NetworkModesto · Computer repair · unknownManaged ITNetwork managementBackup and disaster recovery4.9★ (57)6150

130

TOGOONLINE INC.Westlake Village · MSP · 5-9Managed ITNetwork managementHelp Desk5.0★ (10)610

131

Altura Communication SolutionsFullerton · MSP · 100-249Managed ITHelp DeskPatch Management5.0★ (1)6125

132

TechWorks Consulting LLCCorona · MSP · 1-4Managed ITHelp DeskProactive Maintenance5.0★ (11)6125

133

Wendego IT SolutionsSan Diego · Other Business · 5-9Managed ITCloud SolutionsBackup and disaster recovery4.9★ (69)610

134

CalteccomputersSan Luis Obispo · MSP · 1-4VoIPManaged ITNetwork management4.8★ (59)6125

135

NIC PartnersRancho Cucamonga · MSP · 50-99Managed ITManaged Security ServicesCybersecurity3.4★ (5)6150

136

DatelSan Diego · MSP · 25-49Network managementCloud ServicesBackup and disaster recovery4.6★ (25)610

137

DHDSanta Barbara · VAR and telecom · 100-249Network managementCybersecurityCompliance5.0★ (1)610

138

Numa NetworksSanta Ana · MSP · 10-24Managed ITCo-managed ITNetwork management4.7★ (19)600

139

724ItSan Diego · MSP · 5-9Managed ITCybersecurityMonitoring5.0★ (10)6025

140

LA NetworksStudio City · IT consulting · 10-24Managed ITNetwork managementCybersecurity4.1★ (10)6025

141

The Redesign GroupEl Segundo · MSP · 250+Managed IT ServicesManaged Security ServicesNetwork management4.3★ (6)600

142

Light SpeedMartinez · MSP · 10-24Managed ITManaged IT SecurityCybersecurity5.0★ (30)600

143

Hybridge Inc.San Carlos · MSP · 25-49Managed ITNetwork managementHelp Desk4.2★ (5)600

144

Prestwood IT SolutionsCitrus Heights · MSP · 10-24Managed ITMicrosoft 365Backup and disaster recovery4.6★ (28)600

145

WaterlooIT IncWaterloo · MSP · 10-24Help DeskManaged ITCybersecurity4.6★ (35)6050

146

Ryda Tech ITSan Francisco · MSP · 1-4IT SupportCloud migrationIT consulting5.0★ (9)600

147

Veritas Managed SolutionsSanta Clara · Cabling Av · 100-249Network managementServer ManagementDesktop Support4.1★ (9)590

148

CISSan Clemente · IT consulting · 250+Managed ServicesField ServicesAdvisory Services3.6★ (7)5925

Showing 148 of 434 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-31

49.3

Median MSP scoreof California providers

Publish a DMARC policyof California providers

42%

Claim 24/7 supportof California providers

Median headcountemployees

132 cities in California carry exactly one tracked provider.

** end of report **

Cities in California

top 12 of 120 · providers tracked

54Irvine

23Fresno

12Fremont

12Anaheim

From our research

MSPSIG.WIRE

2026-10-05IT companies in California: what 4,086 listings show

2026-10-31IT Companies in Oklahoma: What the Listings Show

How many IT service providers are in California?

850 tracked as of 2026-10-31.

Which provider ranks highest in California?

Jones IT, by MSP score.

What is the median size of a provider here?

7 employees.

Listed in California?

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See where you rank against the 850 providers in your state and the firms inside your radius.

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