MSPSIG.DIR · city · as of 2026-10-24

IT service providers in Diamond Bar

8 IT service providers are headquartered in Diamond Bar. Alpha and Omega Computer ranks highest by MSP score. Rated providers average 4.35 on Google.

Providers headquartered84 MSPs

Top rankedAlpha and Omega ComputerMSP score 53

Rated providers average4.35★on Google

Local scope

25 mi radius · providers listed below

Drawn from provider coordinates · rings 5 / 15 / 25 mi

city vs California

Median MSP score45.1California: 48.7

Median headcount6California: 10

Average Google rating4.35California: 4.66

Publish a DMARC policy13%California: not observed

** end of report **

2 providers · 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

Alpha and Omega ComputerDiamond Bar · IT consulting · 5-9Cloud migration5.0★ (5)530

002

GNY Inc.Diamond Bar · MSP · 1-4Managed ITNetwork managementCybersecurity3.7★ (3)410

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within 40 mi · providers tracked

FAQ schema

How many IT service providers are in Diamond Bar?

8 tracked as of 2026-10-24.

Which provider ranks highest in Diamond Bar?

Alpha and Omega Computer, by MSP score.

What is the average Google rating in Diamond Bar?

4.35 across 2 rated providers.

Which metro is Diamond Bar in?

Los Angeles-Long Beach-Anaheim, CA.

Listed in Diamond Bar?

See where you rank against the 8 providers in Diamond Bar and the firms inside your radius.