Sentry Security Services
Commercial services · Concord, California
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Products & Services
About Sentry Security Services
Sentry Security Services offers a wide range of security guard services, patrol, surveillance, and more in CA. Call us now! 1-888-SENTRY-1. This profile covers Sentry Security Services, a company classified under Investigation and Security Services, based in Concord, California, United States, operating in Office service, employing 6-10 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 561612 (Security Guards and Patrol Services). Sentry Security Services is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (925) 3499779
- Address
- 3350 Clayton Rd, Concord, California, 94519, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5616Investigation and Security Services
- 561612Security Guards and Patrol Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7381Investigation Services
Company Details
- Employees
- 9 (6-10)
- Annual Revenue
- $2.0M ($1M-$5M)
Sentry Security Services: frequently asked questions
What does Sentry Security Services do?
Sentry Security Services offers a wide range of security guard services, patrol, surveillance, and more in CA. Call us now! 1-888-SENTRY-1.
Where is Sentry Security Services located?
Sentry Security Services is headquartered at 3350 Clayton Rd, Concord, California, 94519, United States.
How many employees does Sentry Security Services have?
Sentry Security Services has about 9 employees (the 6-10 range).
What is Sentry Security Services's annual revenue?
Sentry Security Services's annual revenue is estimated at $2.0M (the $1M-$5M range).
What industry is Sentry Security Services in?
Sentry Security Services is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561612 (Security Guards and Patrol Services).
How can I contact Sentry Security Services?
Its website is www.sentrysecurityservices.com and its phone number is +1 (925) 3499779.
What companies are similar to Sentry Security Services?
Other large industrial & mechanical companies in California include State of California, TD SYNNEX Corp, University of California and Ingram Micro Holding Corp.
Largest industrial & mechanical companies in California
Largest companies in California
Largest industrial & mechanical companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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