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Sentry Technologies

Commercial services · St. Louis, Missouri

Industrial & mechanicalCommercial services
St. Louis, Missouri, United States6 employees$1.6M revenue

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Products & Services

Industrial & mechanicalCommercial servicesOffice service

About Sentry Technologies

Sentry Technologies is listed as a company based in St. Louis, Missouri, United States, operating in Office service, employing 6-10 people, reporting $1M-$5M in annual revenue and classified under Investigation and Security Services.

Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). Sentry Technologies is one of 356,656 Industrial & mechanical companies listed in Missouri.

Business Contact Information

Phone
+1 (314) 7733113
Address
9811 S 40 Dr, St. Louis, Missouri, 63124, United States

Industry & Classification

Industry
Industrial & mechanical
Sector
Commercial services
Segment
Office service
IndustryIndustrial & mechanicalCommercial servicesOffice 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
6 (6-10)
Annual Revenue
$1.6M ($1M-$5M)

Sentry Technologies: frequently asked questions

What does Sentry Technologies do?

Sentry Technologies is listed as a company based in St. Louis, Missouri, United States, operating in Office service, employing 6-10 people, reporting $1M-$5M in annual revenue and classified under Investigation and Security Services.

Where is Sentry Technologies located?

Sentry Technologies is headquartered at 9811 S 40 Dr, St. Louis, Missouri, 63124, United States.

How many employees does Sentry Technologies have?

Sentry Technologies has about 6 employees (the 6-10 range).

What is Sentry Technologies's annual revenue?

Sentry Technologies's annual revenue is estimated at $1.6M (the $1M-$5M range).

What industry is Sentry Technologies in?

Sentry Technologies is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).

How can I contact Sentry Technologies?

Its phone number is +1 (314) 7733113.

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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