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MSPSIG.DIR · state · as of 2026-10-28

IT service providers in California

850 IT service providers are tracked in California, 593 of them MSPs. Rated providers average 4.69 on Google.

Providers tracked850593 MSPs
Top rankednot observed
Rated providers average4.69★on Google · median score 49
01

Ranked by MSP score

top 0 of 0 shown · sort: score / best reviewed

Filtered: claimed · Network management · clear

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02

Map

providers by city
San Diego: 68Los Angeles: 54Irvine: 36San Francisco: 34San Jose: 23Fresno: 19Sacramento: 16Santa Barbara: 14Bakersfield: 12Fremont: 12Santa Clara: 12Anaheim: 10Santa Rosa: 10Concord: 8Huntington Beach: 8Lake Forest: 8Pasadena: 8Ventura: 8Burbank: 7Costa Mesa: 7Oakland: 7Roseville: 7Glendale: 6Long Beach: 6Modesto: 6Rancho Cucamonga: 6Simi Valley: 6Torrance: 6Walnut Creek: 6El Segundo: 5Fullerton: 5Laguna Hills: 5Orange: 5Palm Desert: 5Pleasanton: 5Riverside: 5Westlake Village: 5Beverly Hills: 4Calabasas: 4Carlsbad: 4Chatsworth: 4Chula Vista: 4Corona: 4Diamond Bar: 4Petaluma: 4Rancho Santa Margarita: 4Redlands: 4Rocklin: 4San Marcos: 4San Mateo: 4Sunnyvale: 4Temecula: 4Tustin: 4Visalia: 4Aliso Viejo: 3Chico: 3Chino: 3Citrus Heights: 3Culver City: 3San DiegoLos AngelesIrvineSan FranciscoSan JoseFresnoSacramentoSanta BarbaraDrawn from provider coordinates
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What the data shows

measured 2026-10-28
49.3
Median MSP scoreof California providers
1%
Publish a DMARC policyof California providers
42%
Claim 24/7 supportof California providers
7
Median headcountemployees
132 cities in California carry exactly one tracked provider.
** end of report **
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Cities in California

top 12 of 120 · providers tracked
San Diego
68Los Angeles
54Irvine
36San Francisco
34San Jose
23Fresno
19Sacramento
16Santa Barbara
14Bakersfield
12Fremont
12Santa Clara
12Anaheim
10
05

From our research

MSPSIG.WIRE
How many IT service providers are in California?
850 tracked as of 2026-10-28.
What is the median size of a provider here?
7 employees.
Listed in California?

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