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 198 of 850 shown · sort: score / best reviewed

Filtered: 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

Be Structured Technology GroupLos Angeles · MSSP · 50-99Managed ITIT consultingCybersecuritynot observed6725

067

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

068

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

069

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

070

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

071

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

072

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

073

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

074

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

075

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

076

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

077

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

078

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

079

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

080

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

081

Layer 3 ITWatsonville · MSP · 25-49Managed ITVoIPNetwork managementnot observed660

082

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

083

CardonetLos Angeles · MSP · 100-249Managed ITIT SupportHelp Desknot observed660

084

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

085

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

086

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

087

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

088

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

089

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

090

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

091

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

092

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

093

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

094

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

095

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

096

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

097

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

098

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

099

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

100

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

101

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

102

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

103

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

104

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

105

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

106

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

107

Fourth DimensionCampbell · MSP · 250+Managed ITManaged SecurityCloud migrationnot observed630

108

Left Click HereMission Viejo · MSP · 250+Help DeskNetwork managementBackup and disaster recoverynot observed6325

109

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

110

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

111

Akins IT, Inc.Newport Beach · IT consulting · 10-24IT consultingIT SecurityNetwork managementnot observed6325

112

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

113

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

114

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

115

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

116

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

117

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

118

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

119

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

120

Intersoft KKSunnyvale · Software Vendor · 250+Mobile App DevelopmentWeb Application DevelopmentManaged Servicesnot observed6225

121

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

122

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

123

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

124

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

125

IslandSan Fernando · MSP · 10-24IT SupportManaged ITHelp Desknot observed620

126

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

127

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

128

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

129

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

130

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

131

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

132

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

133

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

134

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

135

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

136

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

137

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

138

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

139

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

140

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

141

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

142

PCGSan Diego · MSP · 10-24Managed ITCybersecurityCompliancenot observed6125

143

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

144

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

145

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

146

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

147

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

148

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

149

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

150

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

151

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

152

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

153

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

154

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

155

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

156

ITC Solutions & Services Group (ITC SSG)Santa Ana · IT consulting · 100-249IT AssessmentsCustom Software DevelopmentMobility Solutionsnot observed590

157

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

158

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

159

OmegaccPalm Springs · MSP · 5-9Help DeskManaged ITCybersecurity5.0★ (20)590

160

ANACAPA Micro Products, Inc.Oxnard · VAR and telecom · 25-49IT consultingSystem IntegrationCybersecurity1.0★ (1)5925

161

LA IT ConsultantsLos Angeles · MSP · 1-4Managed ITIT SupportHelp Desk5.0★ (2)5950

162

Bridgewater Consulting Group, Inc.Irvine · IT consulting · 50-99IT consultingSystem IntegrationProject Management3.0★ (2)5950

163

GigaKOMSan Diego · MSP · 25-49CablingNetwork managementWireless5.0★ (5)5950

164

IntelletraceNovato · MSP · 50-99Managed ConnectivityManaged ITNetwork management5.0★ (2)590

165

Royal Network IT SolutionsTustin · MSP · 5-9Managed ITCo-managed ITIT Security5.0★ (8)5925

166

MacMyDay, Inc.Burbank · MSP · 1-4Managed ITHelp DeskCybersecurity4.9★ (68)590

167

EccentrictechnologyModesto · MSP · 100-249Managed ITHelp DeskDesktop Support5.0★ (10)580

168

RJ PRO Tech Group, IncValley Springs · MSP · 5-9Managed ITIT SupportCybersecurity4.9★ (37)580

169

IrisLogic IncSanta Clara · IT consulting · 25-49Network managementCybersecurityCloud Computing5.0★ (2)580

170

WaldrondigitalSimi Valley · MSP · 100-249Managed ITHelp DeskNetwork managementnot observed580

171

Metro NetworksFresno · MSP · 10-24Managed ITCo-managed ITNetwork management4.9★ (17)5825

172

Allied Network SolutionsRocklin · IT consulting · 25-49IT consultingHardware SalesSoftware Sales3.5★ (2)5825

173

Carney's Business Technology CenterBakersfield · MSP · 5-9Managed ITNetwork managementCybersecurity4.7★ (19)5825

174

NavLink (an AT&T Affiliated Company)San Bruno · MSP · 25-49Managed CloudVirtual Private CloudManaged Public Cloudnot observed580

175

InBlue IT SolutionsCosta Mesa · MSP · 5-9Managed ITCybersecurityNetwork management4.9★ (52)580

176

CommVerge SolutionsDiamond Bar · IT consulting · 100-249Managed ITNetwork managementManaged Security Servicesnot observed580

177

TWE Solutions Inc.El Segundo · MSP · 25-49Managed ITCo-managed ITCybersecurity5.0★ (1)5850

178

Mindful IT SolutionsLos Angeles · MSP · 1-4Managed ITIT SupportNetwork management5.0★ (32)5825

179

LattisAtascadero · MSP · 5-9Managed ITCybersecurityPhysical Security5.0★ (3)5850

180

Rollout AISan Francisco · MSP · 1-4Managed ITIT consultingDigital Transformation4.8★ (18)580

181

CITIGSanta Barbara · IT consulting · 10-24IT consultingNetwork managementVirus Removal4.6★ (9)5825

182

Smartology IncCosta Mesa · MSP · 5-9Managed ITIT SupportVoIP4.9★ (41)580

183

JIT OutsourceFresno · MSP · 1-4Managed ITHelp DeskNetwork management4.7★ (75)5825

184

Calm Computing, Inc.Sacramento · MSP · 5-9Managed ITCybersecurityRemote Work4.6★ (9)5825

185

NetServ Integrated Service SolutionsFoothill Ranch · MSP · 5-9Managed ITIT consultingNetwork management5.0★ (12)5825

186

BizconnectorsNewport Beach · MSP · 1-4Managed ITCybersecurityManaged Security Servicenot observed5825

187

We Solve That by InnovativeRiverside · MSP · 10-24Managed ITCybersecurityVoIP5.0★ (1)570

188

Alltech ComputersArroyo Grande · MSP · 5-9Managed ITRemote SupportBackup and disaster recovery4.6★ (63)570

189

TRIIOSan Francisco · MSP · 10-24Managed ITCybersecurityNetwork managementnot observed570

190

Castellan IncLos Angeles · IT consulting · 1-4Managed ITIT consultingHelp Desknot observed5750

191

TechOnePleasanton · IT consulting · 100-249IT consultingStaffing SolutionsApplication Developmentnot observed570

192

DocuProductsVentura · VAR and telecom · 10-24Managed Print ServicesManaged ITDocument Management4.8★ (32)570

193

CPACincAnaheim · VAR and telecom · 25-49CybersecurityBackup and disaster recoveryCloud migration4.3★ (3)570

194

Avatar Computer ConsultingGlendale · MSP · 1-4Managed ITIT consultingBackup and disaster recovery5.0★ (10)5725

195

MetroSys, Inc.San Diego · VAR and telecom · 10-24Infrastructure DesignArchitectureDeployment5.0★ (2)5725

196

Unite IT ServicesHuntington Beach · Computer repair · 5-9Managed ITCo-managed ITVcio Consultingnot observed570

197

IT Professional ServicesVentura · MSP · 10-24Help DeskNetwork managementPatch Managementnot observed570

198

Lenity TechnologyRancho Cucamonga · MSP · 5-9Managed ITHelp DeskBackup and disaster recovery4.9★ (14)570

Showing 198 of 850 · 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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