Insights

Established Market Presence All-Guard Alarm Systems, with over 65 years in operation, has a strong foothold in Northern California, making it an attractive partner for regional expansion and trust-building with local residential and commercial clients.

Recognition and Reputation Ranked #38 in the SDM 100 nationally, All-Guard’s industry recognition highlights its reputation for quality and reliability, which can be leveraged to attract higher-value clients and corporate accounts seeking proven security solutions.

Technology-Driven Solutions Offering the latest security technologies such as electronic access control, video surveillance, and UL-certified monitoring, All-Guard is positioned to upsell advanced security packages to clients interested in comprehensive, modern protection.

Growth and Revenue Potential With revenues estimated between 10 and 25 million dollars and a dedicated team of up to 50 employees, there is significant opportunity to expand service offerings, cross-sell to existing customers, and enhance market share in the competitive security industry.

Strategic Industry Positioning Being one of California’s largest family-owned security companies, All-Guard has a unique value proposition that appeals to clients preferring local, family-operated businesses, enabling strategic differentiation and targeted marketing efforts.

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 html5media, Business Catalyst, Twemoji, and more. Explore All-Guard Alarm Systems, Inc.'s tech stack below.

html5media
Audio, Video, Graphics
Business Catalyst
Content Management System
Twemoji
Font Scripts
JSON-LD
Javascript Frameworks
imagesLoaded
Javascript Libraries
SWFObject
Miscellaneous
LinkedIn
Online Community Software
Twitter
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, California 94551 United States. The company has employees across 1 continents, including North America.

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.

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

All-Guard Alarm Systems, Inc.'s NAICS code is 5616 - Investigation and Security Services.

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

As of June 2026, All-Guard Alarm Systems, Inc. has approximately 47 employees across 1 continents, including North America. Key team members include Vice President Sales Business Development: S. C.President: T. F.President: B. P. R.. 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 html5mediaBusiness CatalystTwemojiJSON-LDimagesLoadedSWFObjectLinkedInTwitter.

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.

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

All-Guard Alarm Systems, Inc.'s tech stack includes Element UI, Google Ads, Google Ads Conversion Tracking, Slick, Microsoft Word.

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

All-Guard Alarm Systems, Inc.'s NAICS code is 5616 (Investigation and Security Services).

Security and InvestigationsCalifornia, United States11-50 Employees

All-Guard Alarm Systems, Inc. is a Livermore-based security and investigations firm that has served Northern California since 1952, protecting both homes and businesses. It provides a broad suite of security solutions for residential and commercial customers, including intrusion monitoring, fire alarm monitoring, electronic access control, and video surveillance, supported by a UL-certified 24/7 monitoring division. A team of trained, licensed technicians backs these services, underscoring the company’s commitment to service quality.

It is described as one of the larger family-owned electronic security providers in California, emphasizing continuity of local support and installation expertise. In August 2025, All-Guard was recognized as number 38 on the SDM 100 list, reflecting its standing among national security integrators.