Insights

Strong Regional Presence Guard-Systems, Inc. has established itself as one of the largest privately owned security providers in the Southwest, indicating a solid regional customer base that may be open to expanding security services or additional contract opportunities within growing sectors.

Diverse Service Portfolio Offering a comprehensive range of services including consulting, investigations, concierge, and security surveys, GSI presents opportunities to cross-sell targeted security solutions tailored to specific client needs beyond basic guard services.

Recent Client Acquisition The recent contract with Lakeside Villas, a sizable residential development, demonstrates GSI's ability to secure large, high-profile projects, suggesting potential for long-term relationships with property developers, HOA, and hospitality sectors seeking customized security solutions.

Growth Focused on Quality GSI’s emphasis on continuous quality improvement and cost-effective services offers a compelling value proposition for organizations seeking reliable security providers, especially those prioritizing customer satisfaction and operational efficiency.

Technology Integration Utilizing a modern tech stack including WordPress, Google Maps, and SEO tools indicates an emphasis on digital presence and marketing, providing opportunities to leverage online channels for lead generation and brand positioning within the competitive security industry.

Similar companies to Guard-Systems, Inc.

Guard-Systems, Inc. Tech Stack

Guard-Systems, Inc. uses 8 technology products and services including WordPress, Google Fonts API, Twemoji, and more. Explore Guard-Systems, Inc.'s tech stack below.

  • WordPress
    Content Management System
  • Google Fonts API
    Font Scripts
  • Twemoji
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • DataTables
    Javascript Libraries
  • Google Maps
    Maps
  • Yoast SEO
    Search Engines
  • Apache
    Web Servers

Guard-Systems, Inc.'s Email Address Formats

Guard-Systems, Inc. uses at least 1 format(s):
Guard-Systems, Inc. Email FormatsExamplePercentage
FLast@guardsystemsinc.comJDoe@guardsystemsinc.com
45%
First.Last@guardsystemsinc.comJohn.Doe@guardsystemsinc.com
9%
First@guardsystemsinc.comJohn@guardsystemsinc.com
1%
FLast@guardsystemsinc.comJDoe@guardsystemsinc.com
45%

Frequently Asked Questions

Where is Guard-Systems, Inc.'s headquarters located?

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Guard-Systems, Inc.'s main headquarters is located at 1190 Monterey Pass Road Monterey Park, California 91754 United States. The company has employees across 3 continents, including North AmericaAfricaAsia.

What is Guard-Systems, Inc.'s phone number?

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You can contact Guard-Systems, Inc.'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 Guard-Systems, Inc.'s official website and social media links?

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Guard-Systems, Inc.'s official website is guardsystemsinc.com and has social profiles on LinkedIn.

How much revenue does Guard-Systems, Inc. generate?

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As of February 2026, Guard-Systems, Inc.'s annual revenue is estimated to be $255M.

What is Guard-Systems, Inc.'s SIC code NAICS code?

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Guard-Systems, Inc.'s SIC code is 7349 - Building Cleaning and Maintenance Services, Not Elsewhere NAICS code is 5616 - Investigation and Security Services.

How many employees does Guard-Systems, Inc. have currently?

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As of February 2026, Guard-Systems, Inc. has approximately 115 employees across 3 continents, including North AmericaAfricaAsia. Key team members include Managing Partner: R. G.Human Resources Benefits Director: L. G.Operations & Compliance Manager: M. M.. Explore Guard-Systems, Inc.'s employee directory with LeadIQ.

What industry does Guard-Systems, Inc. belong to?

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Guard-Systems, Inc. operates in the Security and Investigations industry.

What technology does Guard-Systems, Inc. use?

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Guard-Systems, Inc.'s tech stack includes WordPressGoogle Fonts APITwemojijQuery MigrateDataTablesGoogle MapsYoast SEOApache.

What is Guard-Systems, Inc.'s email format?

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Guard-Systems, Inc.'s email format typically follows the pattern of FLast@guardsystemsinc.com. Find more Guard-Systems, Inc. email formats with LeadIQ.

When was Guard-Systems, Inc. founded?

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Guard-Systems, Inc. was founded in 1956.

Guard-Systems, Inc.

Security and InvestigationsCalifornia, United States51-200 Employees

Guard-Systems, Inc (GSI) has been delivering on our promises since 1956

As a result of this simple philosophy, we have grown to become one of the largest privately held contract security providers in the Southwest.

You can request a Free Security Site Assessment by calling us at (800) 606-6711 or through our website.

This provides you with an independent and objective look at your on-site security from a fresh set of eyes.

GSI specializes in concierge style security services for HOA. Plus customized security solutions for logistics, banking, campus and retail facilities. 

 It Is Our Goal To:

* Provide meaningful employment to our employees and to treat each of our employees as a valuable asset.

* Provide a service of value to our customers through continuous quality improvement, attention to detail and pro-active management.

* Provide a reasonable return to the investment of our board of directors

* Continue to grow through a reputation for quality service and cost effectiveness.

Guard-Systems, Inc. offers a full range of security services including consulting, investigations, concierge services, strike force operations, security surveys, vulnerability assessments and other security related programs.

Section iconCompany Overview

Headquarters
1190 Monterey Pass Road Monterey Park, California 91754 United States
Phone number
SIC Code
7349 - Building Cleaning and Maintenance Services, Not Elsewhere
NAICS Code
5616 - Investigation and Security Services
Founded
1956
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    Guard-Systems, Inc.'s revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Guard-Systems, Inc.'s revenue is estimated to be in the range of $10M$25M

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