MSPSIG.DIR · state · as of 2026-10-28

IT service providers in California

4,803 IT service providers are tracked in California, 1,845 of them MSPs. Endsight ranks highest by MSP score. Rated providers average 4.65 on Google.

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

Providers tracked4,8031,845 MSPs

Top rankedEndsightSan Diego · MSP score 90

Rated providers average4.65★on Google · median score 49

Ranked by MSP score

top 97 of 4,803 shown · sort: score / best reviewed

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

EndsightSan Diego · MSP · 100-249Managed ITHelp DeskIT consulting5.0★ (42)90100

002

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

003

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

004

GlobalLogicSanta Clara · IT consulting · 250+Software Product EngineeringDigital TransformationAI ML Services4.4★ (16)86100

005

ProvectusPalo Alto · IT consulting · 250+AI EngineeringProcess AutomationAI consulting5.0★ (4)8675

006

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

007

Abtech TechnologiesVista · MSP · 100-249Managed ITHelp DeskBackup and disaster recovery4.9★ (34)8450

008

Crimson ITLos Angeles · MSP · 50-99Backup and disaster recoveryCloud migrationCompliance4.9★ (98)8475

009

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

010

TechnologentIrvine · IT consulting · 250+Cloud migrationIT consultingCybersecuritynot observed83100

011

Grid DynamicsSan Ramon · MSP · 250+IT consultingCloud EngineeringAI Services4.9★ (7)8250

012

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

013

Managed SolutionSan Diego · MSP · 100-249Managed ITCo-managed ITIT Help Desk5.0★ (76)8175

014

Milestone TechnologiesFremont · IT consulting · 250+Cloud TransformationApplication ServicesData Center Operations4.0★ (23)81100

015

DevsincSan Francisco · IT consulting · 250+Digital TransformationApplication EngineeringCloud migration4.5★ (672)8150

016

TevoraIrvine · IT consulting · 100-249CybersecurityCompliancePenetration Testing5.0★ (3)8175

017

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

018

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

019

Relevance LabSan Jose · IT consulting · 250+AutomationCloud migrationCloud Consulting5.0★ (3)8050

020

TechAheadAgoura Hills · IT consulting · 250+Cloud migrationComplianceCybersecurity4.8★ (16)8050

021

Fission LabsSunnyvale · IT consulting · 250+AI ML ServicesAWS ServicesData Engineering Services5.0★ (2)8025

022

EffectiveSoftSan Diego · IT consulting · 250+IT consultingCustom Software DevelopmentCloud migrationnot observed8050

023

JR-TechLake Elsinore · MSSP · 10-24Managed ITCybersecurityManaged SOC4.9★ (87)8075

024

CalanceLaguna Hills · MSP · 250+Generative AIBusiness IntelligencePower Bi Consulting5.0★ (1)8050

025

Svitla SystemsCorte Madera · IT consulting · 250+Cloud migrationCloud StrategyManaged Services5.0★ (6)7975

026

SynoptekCosta Mesa · MSP · 250+Managed ITIT consultingCloud migration5.0★ (5)79100

027

Parachute TechnologyLos Angeles · MSP · 50-99Cloud migrationComplianceCybersecurity4.9★ (34)79100

028

PCS TechnologySan Francisco · MSP · 25-49CybersecurityComplianceIT Infrastructure5.0★ (46)7975

029

ACL DigitalSan Jose · IT consulting · 250+Application DevelopmentArtificial IntelligenceCloud Services4.6★ (62)780

030

TD SYNNEXFremont · VAR and telecom · 250+Cloud migrationCybersecurity4.4★ (23)7850

031

Technology Integration GroupSan Diego · MSP · 250+Managed ServicesManaged PrintConsulting4.9★ (14)7875

032

Xobee NetworksClaimedFresno · MSP · 50-99Managed ITCybersecurityWeb Development4.5★ (6)78100

033

EsentireWaterloo · MSSP · 250+Managed Detection ResponseThreat ResponseIncident Response4.6★ (43)7825

034

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

035

Noble Technology GroupLa Mesa · MSP · 10-24Managed ITCloud ServicesBackup and disaster recovery5.0★ (66)7750

036

VectorUSATorrance · MSP · 250+ComplianceCybersecurity5.0★ (10)7725

037

Network Builders ITClaimedModesto · MSP · 25-49Managed ITCo-managed ITCybersecurity4.8★ (39)77100

038

NIC IncWoodland Hills · MSP · 100-249Managed ITHelp DeskOnsite Support5.0★ (4)7775

039

Allsafe ITPasadena · MSP · 50-99Managed ITBackup and disaster recoveryHelp Desk4.8★ (63)7725

040

Waverley SoftwarePalo Alto · IT consulting · 100-249Legacy ModernizationAI Application EngineeringPlatform Stabilization5.0★ (6)7750

041

NetenrichSan Jose · MSSP · 250+Managed Detection And ResponseSOC ServicesCloud Detection And Response5.0★ (9)7725

042

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

043 $Infracore logo$ InfracoreSan Diego · MSP · 50-99Managed ITCybersecurityCloud migration5.0★ (14)7775

044

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

045

AllCodeSan Francisco · IT consulting · 25-49SAAS DevelopmentMobile App DevelopmentWeb Application Development5.0★ (3)7750

046

UpCurve CloudLos Angeles · IT consulting · 10-24CybersecurityCloud migrationTraining4.8★ (73)76100

047

Bird Rock SystemsSan Diego · IT consulting · 50-99Vulnerability ManagementSecurity AssessmentsPenetration Testing5.0★ (5)76100

048

ZennifySacramento · IT consulting · 100-249Managed ServicesConsulting ImplementationData Engineering4.8★ (6)76100

049

San Diego IT SupportSan Diego · MSP · 10-24Backup and disaster recoveryComplianceCybersecurity5.0★ (189)7625

050

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

051

ProleadsoftSan Francisco · IT consulting · 10-24App DevelopmentWeb DesignWeb Development5.0★ (88)7675

052

DivergeITTorrance · MSP · 50-99Managed ITCo-managed ITCybersecurity5.0★ (5)7675

053

GlobantSan Francisco · IT consulting · 50-99Digital TransformationAI ServicesCloud Services4.5★ (22)7650

054

Penguin SolutionsFremont · Other Business · 250+Design ServicesBuild ServicesDeployment Services4.9★ (13)7550

055

TeamLogic IT (Bend, OR)Mission Viejo · MSP · 250+not observed4.9★ (16)7550

056

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

057

LAWGISTICS, INC.Carlsbad · MSP · 10-24Backup and disaster recoveryCloud migrationCompliance5.0★ (144)7575

058

Forum Info-TechCorona · MSP · 10-24Managed ITCo-managed ITCybersecurity5.0★ (173)75100

059

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

060

BACS Consulting GroupSanta Clara · MSP · 50-99Backup and disaster recoveryCloud migrationCompliance5.0★ (26)7550

061

ZZ Computer IT SUPPORTLos Angeles · MSP · 10-24Backup and disaster recoveryCloud migrationCompliance5.0★ (63)7575

062

TruAdvantageSan Francisco · MSP · 25-49Managed ITManaged SecurityManaged Cloud5.0★ (88)7550

063

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

064

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

065

vCom SolutionsSan Ramon · VAR and telecom · 100-249Mobile Lifecycle ManagementNetwork Lifecycle ManagementExpense Management4.8★ (5)7575

066

CiklumValencia · IT consulting · 250+Software ArchitectureCloud ServicesDevopsnot observed750

067

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

068

Trinity Networx, LLCOntario · MSP · 5-9IT InfrastructureCloud SolutionsVoIP5.0★ (26)74100

069

Skyward Technical SolutionsLaguna Niguel · MSP · 5-9Managed ITIT SupportHelp Desk5.0★ (17)7450

070

360DegreecloudLos Angeles · IT consulting · 250+Salesforce ConsultingSalesforce ImplementationIT consulting5.0★ (15)7425

071

BPM LLPSan Francisco · Other Business · 250+Backup and disaster recoveryComplianceCybersecurity5.0★ (3)7450

072

AutomatesNational City · MSP · 10-24Backup and disaster recoveryCybersecurityCloud Services5.0★ (165)7425

073

nDataStor, Inc.Sacramento · MSP · 10-24Managed ITCybersecurityIT consulting5.0★ (17)7450

074

MotivITSan Jose · MSP · 50-99Managed ITGlobal Service DeskNetwork Operations Center5.0★ (12)7425

075

FTI ServicesGoleta · MSP · 50-99Managed ITIT HelpdeskRemote IT Support5.0★ (6)7475

076

Entisys360Irvine · MSP · 250+Cloud migrationCompliance4.8★ (4)740

077

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

078

VOIP.COMLos Angeles · Isp · 250+VoIPPhone ServiceSoftphone App5.0★ (32)7425

079

Axiom IONewark · MSSP · 100-249Cloud migrationCloud EngineeringDevops Automationnot observed7425

080

ITRexSacramento · IT consulting · 100-249IT consultingAI consultingCloud migration4.9★ (14)7450

081

SycompBurlingame · IT consulting · 250+Backup and disaster recoveryCloud migrationCompliancenot observed7425

082

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

083

ITqueCampbell · MSP · 10-24Managed IT24 7 SupportDisaster Recovery5.0★ (22)7450

084

Publicis SapientSan Francisco · IT consulting · 250+Compliance5.0★ (2)7325

085

C3 TechSanta Ana · MSP · 25-49Managed ITBackup and disaster recoveryNetwork Security5.0★ (116)7325

086

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

087

V2SolutionsSanta Clara · IT consulting · 250+App ModernizationCloud EngineeringManaged IT5.0★ (2)7350

088

Sandler PartnersRedondo Beach · VAR and telecom · 100-249Cloud migrationManaged ServicesIT consulting5.0★ (2)7350

089

AdvancedLos Angeles · MSP · 10-24Backup and disaster recoveryCloud migrationCompliance5.0★ (87)730

090

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

091

Excel and Access, LLCIrvine · IT consulting · 50-99Excel ConsultingExcel TrainingExcel Programming4.9★ (38)7325

092

GruveRedwood City · IT consulting · 250+AI InfrastructureManaged SecuritySOC5.0★ (1)73100

093

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

094

Bluewave Technology GroupSan Clemente · IT consulting · 100-249Technology AssessmentsRapid AssessmentCx Assessment5.0★ (2)73100

095

OnStakMilpitas · IT consulting · 100-249AI consultingAI AgentsData Platform Engineering5.0★ (2)7375

096

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

097

HD TechSeal Beach · MSP · 5-9Managed ITCo-managed ITCybersecurity5.0★ (33)730

Showing 97 of 4,803 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-28

48.9

Median MSP scoreof California providers

Publish a DMARC policyof California providers

25%

Claim 24/7 supportof California providers

Median headcountemployees

156 cities in California carry exactly one tracked provider.

** end of report **

Cities in California

top 12 of 120 · providers tracked

Los Angeles

337San Diego

317San Francisco

304Irvine

247San Jose

187Sacramento

118Fremont

69Fresno

From our research

MSPSIG.WIRE

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

2026-10-28IT Companies in Utah: What the Listings Show

How many IT service providers are in California?

4,803 tracked as of 2026-10-28.

Which provider ranks highest in California?

Endsight, by MSP score.

What is the median size of a provider here?

10 employees.

Listed in California?

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