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Products & Services
About onShore Security
Onshore finds, documents, and defends the R&D credits and deductions your work has earned. Real tax experts on every return, for farms, builders, manufacturers, and energy.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). onShore Security is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 8505200
- Website
- www.onshore.com
- facebook.com/onshoresec
- Address
- 1407 W Chicago Ave, Chicago, Illinois, 60642, 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
- 53 (51-100)
- Annual Revenue
- $12.9M ($10M-$25M)
onShore Security: frequently asked questions
What does onShore Security do?
Onshore finds, documents, and defends the R&D credits and deductions your work has earned. Real tax experts on every return, for farms, builders, manufacturers, and energy.
Where is onShore Security located?
onShore Security is headquartered at 1407 W Chicago Ave, Chicago, Illinois, 60642, United States.
How many employees does onShore Security have?
onShore Security has about 53 employees (the 51-100 range).
What is onShore Security's annual revenue?
onShore Security's annual revenue is estimated at $12.9M (the $10M-$25M range).
What industry is onShore Security in?
onShore 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 onShore Security?
Its website is www.onshore.com and its phone number is +1 (312) 8505200.
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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