Insights

Established Industry Presence All-Guard Alarm Systems has over 65 years of experience in the security industry, highlighting its reputation for reliability and deep market knowledge, which can be leveraged to build trust with potential clients seeking experienced providers.

Comprehensive Service Portfolio Offering a wide range of security solutions including intrusion, fire, access control, and video surveillance, All-Guard can cater to both residential and commercial customers with tailored offerings, presenting cross-selling opportunities.

Technology Adoption All-Guard utilizes the latest security technologies supported by a trained technician workforce, indicating a focus on high-quality, tech-enabled solutions that appeal to clients looking for modern, reliable security systems.

Growth Potential With a revenue range of 10M to 50M and a sizable team of up to 200 employees, there is potential for expansion into new markets or service segments, especially among mid-sized commercial clients seeking scalable security solutions.

Market Positioning As a family-owned business with a longstanding local presence in Northern California, All-Guard's local reputation and commitment to customer service can be emphasized to win new clients in regional markets up for security upgrades.

Similar companies to All-Guard Alarm Systems, Inc.

All-Guard Alarm Systems, Inc. Tech Stack

All-Guard Alarm Systems, Inc. uses 8 technology products and services including WP Rocket, WordPress, Font Awesome, and more. Explore All-Guard Alarm Systems, Inc.'s tech stack below.

WP Rocket
Caching
WordPress
Content Management System
Font Awesome
Font Scripts
jQuery UI
Javascript Libraries
jQuery
Javascript Libraries
Slider Revolution
Miscellaneous
LinkedIn
Online Community Software
Google Plus
Widgets

Media & News

Allguardsystems recognized as #38 in the nation on SDM 100.
All-Guard Alarm Systems ranks #38 in the nation on SDM 100 list.
Aug 11, 2025 | www.allguardsystems.com

All-Guard Alarm Systems, Inc.'s Email Address Formats

All-Guard Alarm Systems, Inc. uses at least 1 format(s):

All-Guard Alarm Systems, Inc. Email Formats	Example	Percentage
FLast@allguardsystems.com	JDoe@allguardsystems.com	83%
First.Last@allguardsystems.com	John.Doe@allguardsystems.com	11%
Last@allguardsystems.com	Doe@allguardsystems.com	4%
First@allguardsystems.com	John@allguardsystems.com	2%

Frequently Asked Questions

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

All-Guard Alarm Systems, Inc.'s main headquarters is located at 1306 Stealth Street, Livermore, CA 94551, US. The company has employees across 2 continents, including North AmericaEurope.

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

You can contact All-Guard Alarm Systems, Inc.'s main corporate office by phone at

+1-800-255-****

. 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 All-Guard Alarm Systems, Inc.'s official website and social media links?

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

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

As of October 2025, All-Guard Alarm Systems, Inc.'s annual revenue is estimated to be $9.8M.

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

All-Guard Alarm Systems, Inc.'s SIC code is 2241 - Narrow Fabric and Other Smallware Mills: Cotton, Wool, Silk, and Manmade Fiber NAICS code is 5616 - Investigation and Security Services.

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

As of October 2025, All-Guard Alarm Systems, Inc. has approximately 51 employees across 2 continents, including North AmericaEurope. Key team members include President: T. F.Principal Owner: A. P.Business Owner: A. A.. Explore All-Guard Alarm Systems, Inc.'s employee directory with LeadIQ.

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

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

What technology does All-Guard Alarm Systems, Inc. use?

All-Guard Alarm Systems, Inc.'s tech stack includes WP RocketWordPressFont AwesomejQuery UIjQuerySlider RevolutionLinkedInGoogle Plus.

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

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

When was All-Guard Alarm Systems, Inc. founded?

All-Guard Alarm Systems, Inc. was founded in 1952.

All-Guard Alarm Systems, Inc.

Security and InvestigationsUnited States51-200 Employees

Established in 1952, All-Guard Alarm Systems, Inc. (All-Guard) has protected the homes and businesses of Northern California for over 65 years.  Based in Livermore, California, All-Guard has grown to be one of the largest family-owned and operated electronic security companies in California.

Offering only the best and latest technology available in the industry, All-Guard presents a wide variety of security solutions that satisfy our residential and commercial customers’ needs.  These services include:

•         Full-facility intrusion alarm monitoring
•         Fire alarm monitoring
•         Electronic access control
•         Video surveillance installation and monitoring
•         UL-Certified  24/7 Monitoring division  

All-Guard services are supported by dedicated technicians who are trained, certified, licensed and committed to providing the highest levels of service.  


All-Guard – At Work.  At Home.  At Ease.

Company Overview

Headquarters: 1306 Stealth Street, Livermore, CA 94551, US
Phone number: +1-800-255-****
Website: allguardsystems.com
SIC Code: 2241 - Narrow Fabric and Other Smallware Mills: Cotton, Wool, Silk, and Manmade Fiber
NAICS Code: 5616 - Investigation and Security Services
Founded: 1952
Employees: 51-200