30-day change: –– · No changes detected in the last 180 days.
National rank#11,028of 45,545 · top 25%
CA#1,235of 4,795 · top 26%
Rancho Cucamonga#5of 26 · top 20%
Google 4.1★ (10)Security headers DHosting WixDomain 24 yrs
MSP Signal ranks Thompson Systems #11,028 of 45,545 IT service providers nationally. Thompson Systems is an IT service provider in Rancho Cucamonga, CA, founded 1971, with 54 staff. It offers Critical Communications, Fire Alarm, Audio Visual.
Source: MSP Signal, Thompson Systems company profile, Oct 23, 2026, https://mspsignal.com/msp/thompson-systems
01
Score breakdown
5 pillars · weighted · 56.0 / 100
Reputation30%
65/100
Lifted by more Google reviews and a higher rating.
Presence25%
65/100
Lifted by a stronger website and public profiles.
Credibility20%
54/100
Lifted by a fuller record: services, credentials, pricing.
“Thompson Systems has been providing integrated systems and solutions to Riverside, San Bernardino , Orange, and Los Angeles counties, serving the Southern California area, for over 50 years.”
“Thompson Systems has over 50 years of experience providing the highest quality security and critical communications solutions to healthcare, education, government, and commercial facilities.”
Availability
“+ Learn More 24/7 Service & Support We offer all of our clients 24/7 remote IT support and local service technicians for on-site assistance who are able to respond quickly & effectively.”
“Our Core Values Customer Service We listen to our clients to provide tailored security and communication solutions - as well as 24/7 service and support for a premium experience.”
up to three quotations per category
10
Frequently asked questions
reuses public facts · FAQ schema
Where is Thompson Systems located?
10860 6th Street, Rancho Cucamonga, CA 91730.
How many people work at Thompson Systems?
Thompson Systems has 54 staff.
What services does Thompson Systems offer?
Critical Communications, Fire Alarm, Audio Visual, Electronic Security, Location Technologies, Virtual Care, Structured Cabling, Managed Services, Professional Services, Nurse Call, Access Control, Video Intercom.
What compliance frameworks does Thompson Systems serve?
HIPAA.
How does Thompson Systems rank among IT providers in Rancho Cucamonga?
#5 of 26 observed providers in Rancho Cucamonga; #11,028 of 45,545 nationally.
Is Thompson Systems claimed on MSP Signal?
Not claimed.
Claimed · not shown (unclaimed) · Verified data · conditional on field sources · Registered entity · conditional on legal-entity nameLast observed Oct 23, 2026 · Citation: Thompson Systems company profile · https://mspsignal.com/msp/thompson-systems
