What is Guardian Service Industries, Inc.'s NAICS code?

Guardian Service Industries, Inc.'s NAICS code is 5612 (Facilities Support Services).

Insights

Established Expertise Guardian Service Industries has a long history dating back to 1918, demonstrating deep industry expertise which appeals to clients seeking reliable and experienced facility management solutions.

Large-scale Capacity Managing over 110 million square feet across multiple regions and serving a broad portfolio of commercial and institutional clients presents opportunities to offer scalable and comprehensive facility services to similar large organizations.

Broad Service Portfolio With offerings ranging from janitorial and security to specialized services like pest control and restoration, there is potential to upsell integrated facility management packages to existing clients or attract clients with multifaceted needs.

Technology Adoption Utilizing advanced tech tools such as SAP for maintenance and Cloudflare for security indicates a commitment to innovative solutions, opening doors for sales conversations around digital transformation and enhanced facility automation.

Market Presence Being family-owned and competitive within a broad revenue range alongside larger firms suggests opportunities to target mid-to-large enterprises looking for established yet flexible service providers.

Similar companies to Guardian Service Industries, Inc.

Guardian Service Industries, Inc. Tech Stack

Guardian Service Industries, Inc. uses 8 technology products and services including Tyler Technologies Munis, oEmbed, Backbone.js, and more. Explore Guardian Service Industries, Inc.'s tech stack below.

Tyler Technologies Munis
Accounting
oEmbed
Dev Tools
Backbone.js
Javascript Frameworks
Chart.js
Javascript Graphics
Themify Builder
Page Builders
WP Engine
Platform As A Service
Entrata
Real Estate Property Management
Yoast SEO
Search Engines

Media & News

Guardian Service Industries, Inc.'s Email Address Formats

Guardian Service Industries, Inc. uses at least 1 format(s):

Guardian Service Industries, Inc. Email Formats	Example	Percentage
FLast@guardian-service.com	JDoe@guardian-service.com	93%
First.Last@guardian-service.com	John.Doe@guardian-service.com	4%
Last@guardian-service.com	Doe@guardian-service.com	2%
F.Last@guardian-service.com	J.Doe@guardian-service.com	1%

Frequently Asked Questions

Where is Guardian Service Industries, Inc.'s headquarters located?

Guardian Service Industries, Inc.'s main headquarters is located at 55 Water Street New York, New York 10041 United States. The company has employees across 2 continents, including North AmericaEurope.

What is Guardian Service Industries, Inc.'s phone number?

You can contact Guardian Service Industries, Inc.'s main corporate office by phone at

+1-800-564-****

. 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 Guardian Service Industries, Inc.'s official website and social media links?

Guardian Service Industries, Inc.'s official website is guardian-service.com and has social profiles on LinkedIn.

What is Guardian Service Industries, Inc.'s SIC code NAICS code?

Guardian Service Industries, Inc.'s SIC code is 1799 - Special Trade Contractors, Not Elsewhere Classified NAICS code is 5612 - Facilities Support Services.

How many employees does Guardian Service Industries, Inc. have currently?

As of June 2026, Guardian Service Industries, Inc. has approximately 452 employees across 2 continents, including North AmericaEurope. Key team members include Chief Financial Officer: A. F.Chief Operating Officer, Principal: A. B.Chief Operating Officer & Principal: H. B.. Explore Guardian Service Industries, Inc.'s employee directory with LeadIQ.

What industry does Guardian Service Industries, Inc. belong to?

Guardian Service Industries, Inc. operates in the Facilities Services industry.

What technology does Guardian Service Industries, Inc. use?

Guardian Service Industries, Inc.'s tech stack includes Tyler Technologies MunisoEmbedBackbone.jsChart.jsThemify BuilderWP EngineEntrataYoast SEO.

What is Guardian Service Industries, Inc.'s email format?

Guardian Service Industries, Inc.'s email format typically follows the pattern of FLast@guardian-service.com. Find more Guardian Service Industries, Inc. email formats with LeadIQ.

When was Guardian Service Industries, Inc. founded?

Guardian Service Industries, Inc. was founded in 1918.

Guardian Service Industries, Inc.

Q: What technology does Guardian Service Industries, Inc. use?

Guardian Service Industries, Inc.'s tech stack includes PHP, TrackTik, Google Fonts API, Nginx, Underscore.js.

Facilities ServicesNew York, United States201-500 Employees

Established in 1918, Guardian Service Industries is a family-owned Janitorial, Security and Engineering & Operations staffing corporation with over 1,000 clients and maintaining over 110 million square feet throughout the New England, Northeast and Mid-Atlantic, inclusive of commercial buildings, government buildings, residential communities, commercial facilities, schools, industrial facilities, transportation hubs, and retail outlets. 

We specialize in providing subject matter expertise, management and staffing in all areas of facility maintenance, inclusive of Janitorial Services, Security Services, Engineering & Operations, Pest Control, Lighting and Electric, Window Cleaning, Concierge/Front Desk Ambassador, and Marble, Metal and Wood Restoration.

Guardian Service Industries, Your Facility Solution Provider.