MSPSIG.DIR · metro 40140 · as of 2026-10-30

IT service providers in the Riverside-San Bernardino-Ontario, CA metro

234 IT service providers are headquartered in the Riverside-San Bernardino-Ontario, CA metro, 120 of them MSPs. JR-Tech ranks highest within 25 miles of the metro centre. Rated providers average 4.79 on Google.

Providers headquartered234120 MSPs

Within 25 mi of centre123ranked by MSP score

Rated providers average4.79★median score 48

Ranked by MSP score

within 25 mi of the metro centre

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

001JR-TechLake Elsinore · MSSP · 14 staffManaged ITCybersecurityManaged SOC4.9★ (87)8075

002Onsite Computing, Inc.Corona · MSP · 20 staffManaged ITCo-managed ITCloud migration5.0★ (62)7550

003eTop Technology, IncRedlands · MSP · 16 staffManaged ITCo-managed ITCybersecurity4.8★ (23)75100

004CaptainITRiverside · MSP · 14 staffManaged ITCo-managed ITHelp Desk5.0★ (7)7075

005Netgain Networks Inc.Riverside · MSP · 10 staffManaged ITCloud ServicesEmail Services4.5★ (8)6775

006SyntechRancho Cucamonga · MSP · 29 staffCloud migrationCo-managed ITVoIP and UCaaS4.2★ (10)6650

007IntegritytechRancho Cucamonga · MSP · 12 staffBackup and disaster recoveryComplianceCybersecurity5.0★ (106)660

008Exigent SystemsRedlands · MSP · 6 staffBackup and disaster recoveryCloud migrationCompliance5.0★ (28)650

009Vertical IT Solutions (formerly LanTech LLC)Chino · MSP · 13 staffComplianceCybersecurityVoIP and UCaaS5.0★ (4)6550

010California TelecomChino · VAR and telecom · 22 staffNetwork MonitoringManaged Sd WanFirewall Management5.0★ (1)6325

011Empire Technologies Group Inc.Riverside · Cabling Av · 15 staffSecurity SystemsAccess ControlSecurity Cameras5.0★ (271)630

012Redfire Technology ServicesUpland · MSP · 9 staffManaged ITCybersecurityCloud migration5.0★ (3)6375

013CalComm SystemsRedlands · MSP · 2 staffVoIPManaged ITHelp Desk5.0★ (11)6225

014NIC PartnersRancho Cucamonga · MSP · 88 staffManaged ITManaged Security ServicesCybersecurity3.4★ (5)6150

015PC PlaceRedlands · MSP · 5 staffManaged ITIT consultingNetwork Security4.3★ (27)610

016General TechniqueRedlands · MSP · 4 staffBackup and disaster recoveryComplianceVoIP and UCaaS5.0★ (14)6125

017Optiva ITUpland · MSP · 7 staffBackup and disaster recoveryCloud migrationCo-managed IT5.0★ (19)6025

018XO TekUpland · IT consulting · 30 staffAgentic AIGenerative AIMachine Learningnot observed6075

019Acorn IT ServicesRiverside · MSP · 79 staffBackup and disaster recoveryCloud migrationCybersecurity4.8★ (25)600

020CaliCoders LLCRedlands · MSP · 4 staffManaged ITBusiness ContinuityWeb Development5.0★ (7)5825

021Resource Computer SolutionsUpland · MSP · 28 staffComplianceCybersecurityvCIO4.9★ (7)580

022Human ComputerRiverside · Computer repair · 4 staffVirus RemovalMalware RemovalData Recovery4.9★ (446)580

023WCC Technologies GroupChino · MSP · 34 staffBackup and disaster recoveryCloud migrationCompliance4.6★ (10)5825

024We Solve That by InnovativeRiverside · MSP · 20 staffManaged ITCybersecurityVoIP5.0★ (1)570

025Lenity TechnologyRancho Cucamonga · MSP · 5 staffManaged ITHelp DeskBackup and disaster recovery4.9★ (14)570

026Advise IT SolutionsMoreno Valley · MSP · 4 staffManaged ITNetwork managementCybersecurity4.9★ (18)570

027Inland Productivity SolutionsUpland · MSP · 8 staffBackup and disaster recoveryCloud migrationCo-managed IT4.4★ (13)560

028Thompson SystemsRancho Cucamonga · Cabling Av · 54 staffCritical CommunicationsFire AlarmAudio Visual4.1★ (10)560

029Onward IT, llcRancho Cucamonga · MSP · 3 staffManaged ITCybersecurityBackup and disaster recovery5.0★ (13)5625

030Motive InfrastructureCorona · Other Business · 360 staffConsultingProject ManagementEngineeringnot observed560

031Q-vantageRiverside · IT consulting · 9 staffMobile App DevelopmentWeb DevelopmentCloud migration5.0★ (2)5550

032DiTec Solutions IncMoreno Valley · MSP · 50 staffBackup and disaster recoveryCloud migrationCompliance5.0★ (14)550

033Computer Pro2callRedlands · IT Repair · 12 staffComputer RepairNetwork DesignData Recovery4.9★ (174)550

034RiversideitservicesRiverside · MSP · 10 staffManaged ITCloud ServicesCyber Securitynot observed5525

035CompucellFontana · IT Repair · 94 staffPc RepairSystem BuildingParts Sales4.9★ (1,887)540

036Buzz CybersecurityIrvine · MSSP · 5 staffManaged ITCybersecurityCloud migration5.0★ (4)5425

037ABSS Networks IncRiverside · MSP · 8 staffManaged ITNetwork managementRemote Monitoring Management4.7★ (7)5325

038Etairos ConsultingRiverside · IT consulting · 117 staffIT consultingInfrastructure ServicesApplication Services4.5★ (11)530

039F.Y.I. TechnologiesUpland · MSP · 1 staffBackup and disaster recoveryCloud migrationCompliancenot observed5325

040T and D Communications, Inc.Riverside · Cabling Av · 63 staffWireless LanDas In Building CellularStructured Cabling5.0★ (1)530

041Global Technology Solutions Inc. (GTS)Rancho Cucamonga · IT consulting · 47 staffConversational AICloud migrationData Analyticsnot observed5225

042Burtronics BusinessRedlands · Cabling Av · 23 staffCloud migrationComplianceVoIP and UCaaSnot observed520

043Rasec TECH IT ServicesRiverside · MSP · 1 staffCloud migrationComplianceVoIP and UCaaS4.9★ (83)5225

044Computek InternationalRancho Cucamonga · IT consulting · 2 staffHardware SalesSoftware SalesTechnology Maintenance5.0★ (7)510

045ALFA BusinessRiverside · MSP · 29 staffManaged ITNetwork MonitoringCybersecurity4.9★ (120)510

045WorldWideTechRancho Cucamonga · IT consulting · 6 staffBackup and disaster recoveryManaged ITVirtualization5.0★ (1)5125

047InentUpland · IT consulting · 7 staffServicenow ImplementationServicenow CustomizationServicenow Migration4.0★ (3)510

048InlandempireitservicesColton · Other Business · 10 staffManaged ITBackup and disaster recoveryCloud Computing4.6★ (5)510

049ProTech IT ServicesRiverside · IT consulting · 6 staffIT consultingManaged ITWeb Developmentnot observed500

050Advanced Copy Systems, IncSan Bernardino · MSP · 8 staffCo-managed ITCompliancenot observed500

Showing 50 of 123 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates · rings 25 mi

Cities in this metro

providers tracked · links to city pages

23Corona

14Chino

10Ontario

10Upland

9Victorville

5Lake Elsinore

What the data shows

measured 2026-10-30

48.2

Median MSP score

Median headcountemployees

Cities with a provider

Questions

FAQ schema

How many IT service providers are in the Riverside-San Bernardino-Ontario, CA metro?

234 headquartered in the metro's ZIP codes, as of 2026-10-30.

Which city in the metro has the most providers?

Riverside, with 41.

What is the median size of a provider here?

6 employees.

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