Insights

Strategic Acquisition DSI Security Services recently acquired Apex3 Systems, a technology-focused security provider, indicating a strategic move to enhance its security technology offerings and expand its market share in integrated security solutions.

Leadership Growth With the appointment of a new President, Deavours Clark, and multiple regional managers promoted within the organization, DSI Security is positioning itself for aggressive growth and operational excellence, presenting an opportunity to offer advanced security products and consulting services.

Technology Integration The company's use of advanced tech stack including Adobe, React, Microsoft Azure, and UNIX, along with its comprehensive surveillance and access control solutions, suggests a focus on modern, scalable security systems ideal for clients seeking technological innovation.

Market Penetration DSI operates in numerous states with extensive licensing, covering diverse regions from California to Texas, which signals potential for expanding security services into new geographical markets and industries.

Award Recognition Receiving the Outstanding Security Performance Award highlights DSI’s reputation for delivering high-quality services, making it a compelling partner for organizations prioritizing reliable, award-winning security solutions.

DSI Security Services Tech Stack

DSI Security Services uses 8 technology products and services including Adobe, InVision, OneDrive, and more. Explore DSI Security Services's tech stack below.

  • Adobe
    Audio, Video, Graphics
  • InVision
    Communication And Collaboration
  • OneDrive
    File Sharing
  • React
    Javascript Frameworks
  • imagesLoaded
    Javascript Libraries
  • Office 365
    Office Suites
  • UNIX
    Operating Systems
  • Microsoft Azure
    Platform As A Service

DSI Security Services's Email Address Formats

DSI Security Services uses at least 1 format(s):
DSI Security Services Email FormatsExamplePercentage
FLast@dsisecurity.comJDoe@dsisecurity.com
96%
First.Last@dsisecurity.comJohn.Doe@dsisecurity.com
3%
FirstLast@dsisecurity.comJohnDoe@dsisecurity.com
1%

Frequently Asked Questions

What is DSI Security Services's phone number?

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You can contact DSI Security Services's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is DSI Security Services's official website and social media links?

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DSI Security Services's official website is dsisecurity.com and has social profiles on LinkedIn.

How much revenue does DSI Security Services generate?

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As of December 2025, DSI Security Services's annual revenue is estimated to be $89M.

What is DSI Security Services's NAICS code?

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DSI Security Services's NAICS code is 5616 - Investigation and Security Services.

How many employees does DSI Security Services have currently?

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As of December 2025, DSI Security Services has approximately 1.5K employees across 5 continents, including North AmericaEuropeAfrica. Key team members include Chief Executive Officer: E. S.Cfo: J. S.Vice President Sales - East: D. C.. Explore DSI Security Services's employee directory with LeadIQ.

What industry does DSI Security Services belong to?

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DSI Security Services operates in the Security and Investigations industry.

What technology does DSI Security Services use?

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DSI Security Services's tech stack includes AdobeInVisionOneDriveReactimagesLoadedOffice 365UNIXMicrosoft Azure.

What is DSI Security Services's email format?

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DSI Security Services's email format typically follows the pattern of FLast@dsisecurity.com. Find more DSI Security Services email formats with LeadIQ.

When was DSI Security Services founded?

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DSI Security Services was founded in 1969.

DSI Security Services

Security and InvestigationsAlabama, United States1001-5000 Employees

DSI Security Services offers armed and unarmed uniformed security guard services. Our Technology Solutions Division is equipped with a comprehensive range of tools, including HD IP video surveillance cameras, barrier arms, automated gates, and access control, all monitored around the clock from our 24-hour communications center. Our guiding principle, encapsulated in our motto, 'DWYSYWD' (Do What You Say You Will Do), underscores our unwavering commitment to honor our promises to you.

We are licensed to provide security services in the following states:  
• Alabama: 00004
• Arkansas: CMPY.0001132
• California: PPO120119
• Delaware: 18-161-B
• Florida (see subcategories): Panama City: B0001502; Jacksonville: BB9100030; Tampa: BB9800008; Miami: BB1500017
• Georgia: PSC000340
• Illinois:122.001024
• Indiana: SG20800168
• Iowa:1031
• Louisiana: 455
• Maryland: 106-5774
• Massachusetts: LW0332C
• New Jersey: 1724
• New York: 11000210946
• North Carolina: 1895-GP
• Ohio: 200921001560
• Oklahoma: 16SGA2977
• South Carolina: 1178
• Tennessee: 10803
• Texas: B06382
• Virginia: 11-4169
• West Virginia: 37599

Section iconCompany Overview

Phone number
NAICS Code
5616 - Investigation and Security Services
Founded
1969
Employees
1001-5000

Section iconFunding & Financials

  • $100M$250M

    DSI Security Services's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    DSI Security Services's revenue is estimated to be in the range of $100M$250M

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