Colossus Security
Commercial services · San Francisco, California
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Products & Services
About Colossus Security
This profile covers Colossus Security, a company reporting $1M-$5M in annual revenue, classified under Investigation and Security Services, based in San Francisco, California, United States, operating in Office service and employing 21-50 people.
Its primary NAICS classification is 561612 (Security Guards and Patrol Services). Colossus Security is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Address
- 925 Mission St, San Francisco, California, 94103, 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
- 29 (21-50)
- Annual Revenue
- $2.2M ($1M-$5M)
Colossus Security: frequently asked questions
What does Colossus Security do?
This profile covers Colossus Security, a company reporting $1M-$5M in annual revenue, classified under Investigation and Security Services, based in San Francisco, California, United States, operating in Office service and employing 21-50 people.
Where is Colossus Security located?
Colossus Security is headquartered at 925 Mission St, San Francisco, California, 94103, United States.
How many employees does Colossus Security have?
Colossus Security has about 29 employees (the 21-50 range).
What is Colossus Security's annual revenue?
Colossus Security's annual revenue is estimated at $2.2M (the $1M-$5M range).
What industry is Colossus Security in?
Colossus Security is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561612 (Security Guards and Patrol Services).
What companies are similar to Colossus Security?
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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