MSPSIG.DIR · state · as of 2026-10-23

IT service providers in California

4,737 IT service providers are tracked in California, 1,856 of them MSPs. Endsight ranks highest by MSP score. Rated providers average 4.66 on Google.

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

Providers tracked4,7371,856 MSPs

Top rankedEndsightSan Diego · MSP score 90

Rated providers average4.66★on Google · median score 49

Ranked by MSP score

top 47 of 4,737 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

ProvectusPalo Alto · IT consulting · 250+AI EngineeringProcess AutomationAI consulting5.0★ (4)8775

003

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

004

Jones ITSan Francisco · MSP · 100-249Managed ITCo-managed ITIT consulting5.0★ (426)8675

005

PCS TechnologySan Francisco · MSP · 250+CybersecurityComplianceIT Infrastructure5.0★ (46)8575

006

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

007

XantrionLafayette · MSP · 100-249Managed ITManaged CybersecurityCo-managed IT4.9★ (80)83100

008

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

009

TechnologentIrvine · IT consulting · 250+Cloud migrationIT consultingCybersecuritynot observed82100

010

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

011

centrexITPoway · MSP · 50-99Managed ITCybersecurityCloud migration4.9★ (53)8150

012

Parachute TechnologyLos Angeles · MSP · 50-99Cloud migrationComplianceCybersecurity4.9★ (34)81100

013

Crimson ITLos Angeles · MSP · 50-99Backup and disaster recoveryCloud migrationCompliance4.9★ (98)8175

014

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

015

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

016

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

017

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

018

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

019

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

020

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

021

Managed SolutionSan Diego · MSP · 100-249Managed ITCo-managed ITIT Help Desk5.0★ (76)7975

022

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

023

XceptionalSan Diego · MSP · 50-99Managed ITCo-managed ITCybersecurity4.6★ (10)7875

024

Method TechnologiesCypress · MSP · 25-49Managed ITCo-managed ITInternet Phone Service5.0★ (60)7875

025

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

026

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

027

EsentireWaterloo · MSSP · 250+Cloud migrationComplianceCybersecurity4.6★ (43)7825

028

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

029

Milestone TechnologiesFremont · IT consulting · 250+Cloud TransformationApplication ServicesData Center Operations4.0★ (23)77100

030

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

031

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

032

Svitla SystemsCorte Madera · IT consulting · 250+Cloud migrationCloud StrategyManaged Services5.0★ (6)7750

033

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

034

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

035

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

036 $Infracore logo$ InfracoreSan Diego · MSP · 50-99Managed ITCybersecurityCloud migration5.0★ (14)7775

037

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

038

ClearFuze Networks, Inc.Los Angeles · MSP · 25-49Managed ITCybersecurityCompliance5.0★ (54)7675

039

CalanceAnaheim · MSP · 250+Generative AIBusiness IntelligencePower Bi Consulting5.0★ (3)7650

040

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

041

Noble Technology GroupLa Mesa · MSP · 10-24Managed ITCloud ServicesBackup and disaster recovery5.0★ (66)7650

042

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

043

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

044

360DegreecloudLos Angeles · IT consulting · 250+Cloud migrationCompliance5.0★ (15)7625

045

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

046

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

047

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

Showing 47 of 4,737 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-23

48.7

Median MSP scoreof California providers

Publish a DMARC policyof California providers

24%

Claim 24/7 supportof California providers

Median headcountemployees

159 cities in California carry exactly one tracked provider.

** end of report **

Cities in California

top 12 of 120 · providers tracked

Los Angeles

334San Diego

310San Francisco

296Irvine

248San Jose

186Sacramento

117Fremont

66Fresno

From our research

MSPSIG.WIRE

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

2026-10-23IT Companies in Arizona: What the Listings Show

How many IT service providers are in California?

4,737 tracked as of 2026-10-23.

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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