MSPSIG.DIR · state · as of 2026-10-23

Managed service providers in California

1,111 managed service providers are tracked in California. Endsight ranks highest by MSP score. Rated providers average 4.79 on Google.

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

Providers tracked1,111

Top rankedEndsightSan Diego · MSP score 90

Rated providers average4.79★on Google · median score 53

Ranked by MSP score

top 22 of 1,111 shown · sort: score / best reviewed

Filtered: MSPs only · Cybersecurity · 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

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

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

004

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

005

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

006

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

007

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

008

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

009

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

010

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

011

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

012

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

013

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

014

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

015

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

016

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

017 $Infracore logo$ InfracoreSan Diego · MSP · 50-99Managed ITCybersecurityCloud migration5.0★ (14)7775

018

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

019

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

020

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

021

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

022

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

Showing 22 of 1,111 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-23

53.5

Median MSP scoreof California providers

Publish a DMARC policyof California providers

39%

Claim 24/7 supportof California providers

Median headcountemployees

124 cities in California carry exactly one tracked provider.

** end of report **

Cities in California

top 12 of 120 · providers tracked

56Irvine

23Fresno

14Anaheim

From our research

MSPSIG.WIRE

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

2026-10-24IT Companies in Minnesota: What the Listings Show

How many managed service providers are in California?

1,111 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?

8 employees.

Listed in California?

Claim your company, free.

See where you rank against the 1,111 providers in your state and the firms inside your radius.

Claim your company ▸Top 100 ranked