Closed Loop Systems Inc
Commercial services · Saint Clair Shores, Michigan
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Products & Services
About Closed Loop Systems Inc
This profile covers Closed Loop Systems Inc, a company reporting $1M-$5M in annual revenue, classified under Investigation and Security Services, based in Saint Clair Shores, Michigan, United States, operating in Office service and employing 21-50 people.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). Closed Loop Systems Inc is one of 528,309 Industrial & mechanical companies listed in Michigan.
Business Contact Information
- Address
- 21420 Greater Mack Ave, Saint Clair Shores, Michigan, 48080, 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
- 27 (21-50)
- Annual Revenue
- $1.3M ($1M-$5M)
Closed Loop Systems Inc: frequently asked questions
What does Closed Loop Systems Inc do?
This profile covers Closed Loop Systems Inc, a company reporting $1M-$5M in annual revenue, classified under Investigation and Security Services, based in Saint Clair Shores, Michigan, United States, operating in Office service and employing 21-50 people.
Where is Closed Loop Systems Inc located?
Closed Loop Systems Inc is headquartered at 21420 Greater Mack Ave, Saint Clair Shores, Michigan, 48080, United States.
How many employees does Closed Loop Systems Inc have?
Closed Loop Systems Inc has about 27 employees (the 21-50 range).
What is Closed Loop Systems Inc's annual revenue?
Closed Loop Systems Inc's annual revenue is estimated at $1.3M (the $1M-$5M range).
What industry is Closed Loop Systems Inc in?
Closed Loop Systems Inc is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).
Largest companies in Michigan
Largest industrial & mechanical companies
Manufacturing sales in Michigan, 2026
In Michigan, Factur's 2026 study counted 81 manufacturing quotes worth $4.7M and 28 purchase orders over 12 months: 35% of quotes became orders, against 21% nationally. See the Michigan data.
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