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Products & Services
About DIY Security
Honest, independent research on home security systems. We help you decide between DIY and professional installation — without the vendor spin. DIY Security is listed as a company classified under Investigation and Security Services, based in Chicago, Illinois, United States, operating in Office service, employing 11-20 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). DIY Security is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (800) 3492434
- Website
- diysecurity.com
- Address
- 213 N Racine Ave, Chicago, Illinois, 60607, 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
- 561621Security Systems Services (except Locksmiths)
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7382Security Systems Services (Except Locksmiths)
Company Details
- Employees
- 20 (11-20)
- Annual Revenue
- $4.2M ($1M-$5M)
DIY Security: frequently asked questions
What does DIY Security do?
Honest, independent research on home security systems. We help you decide between DIY and professional installation — without the vendor spin.
Where is DIY Security located?
DIY Security is headquartered at 213 N Racine Ave, Chicago, Illinois, 60607, United States.
How many employees does DIY Security have?
DIY Security has about 20 employees (the 11-20 range).
What is DIY Security's annual revenue?
DIY Security's annual revenue is estimated at $4.2M (the $1M-$5M range).
What industry is DIY Security in?
DIY Security is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).
How can I contact DIY Security?
Its website is diysecurity.com and its phone number is +1 (800) 3492434.
Largest companies in Illinois
Largest industrial & mechanical companies
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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