Interlock Systems Corp
Commercial services · St. Louis, Missouri
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Products & Services
About Interlock Systems Corp
Interlock Systems Corp is a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Investigation and Security Services, based in St. Louis, Missouri, United States and operating in Office service.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). Interlock Systems Corp is one of 356,656 Industrial & mechanical companies listed in Missouri.
Business Contact Information
- Address
- 12725 Saint Charles Rock Rd, St. Louis, Missouri, 63044, 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
- 4 (1-5)
- Annual Revenue
- $526,000 ($0M-$1M)
Interlock Systems Corp: frequently asked questions
What does Interlock Systems Corp do?
Interlock Systems Corp is a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Investigation and Security Services, based in St. Louis, Missouri, United States and operating in Office service.
Where is Interlock Systems Corp located?
Interlock Systems Corp is headquartered at 12725 Saint Charles Rock Rd, St. Louis, Missouri, 63044, United States.
How many employees does Interlock Systems Corp have?
Interlock Systems Corp has about 4 employees (the 1-5 range).
What is Interlock Systems Corp's annual revenue?
Interlock Systems Corp's annual revenue is estimated at $526,000 (the $0M-$1M range).
What industry is Interlock Systems Corp in?
Interlock Systems Corp is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).
Largest companies in Missouri
Largest industrial & mechanical companies
Manufacturing sales in Missouri, 2026
In Missouri, Factur's 2026 study counted 29 manufacturing quotes worth $962K and 9 purchase orders over 12 months: 31% of quotes became orders, against 21% nationally. See the Missouri data.
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