Guardian Service Industries Inc.

About Us The Guardian Difference

Guardian Service Industries, Inc. was established over 100 years ago in 1918.

Today, we are a 4th generation family owned service corporation that places unprecedented value on customer service, professional workforce, integrity, accountability and transparency.

Guardian experienced an impeccable growth over the past century and is now a multi-million-dollar premier facility services company. Guardian is a privately held company that has continually evolved, expanded its service offerings and has proudly grown organically in the facility service industry.

Our service areas include Janitorial services, Engineering, Maintenance, Security, Front Desk & Concierge, Window Cleaning, Pest Control, Lighting & Electric and Metal, Marble & Wood Restoration. By grouping or integrating our services together, clients always enjoy increased cost efficiencies.

Our Mission

Deliver outstanding value, continuous innovation, and exceptional customer service.

Our Vision

A leader in maintaining and providing unparalleled facility services throughout the Northeast, New England and Mid-Atlantic regions.

Meet The Team


Samuel “Sandy” Herzfeld

CEO, Principal


Alan Bressler

COO, Principal


Allen Fredericks


Joe L

Joe Large

Executive Vice President


Jonathan Kessler

Senior Vice President


Charles Lobosco

Senior Vice President, Business Operations


Paul Ulaj

Senior Vice President, Operations


Lyn Bressler

Vice President


Matthew Bressler

Vice President, Window Maintenance & Lighting

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Aaron Froese

Controller/Senior Estimator


Jeffrey Logan

Regional Vice President, NJ


Hector Martinez

Senior Regional Director, New England

Technology We Use The Latest Tech To Make Your Job Easier

About Us

Guardian GO is a web-based SaaS application that provides a comprehensive service request, preventive maintenance, inspection and asset management system. The solution is delivered via the Internet to your standard browser. There is no hardware to buy or software to install. You will be provided with a login and password enabling access to the data.

Additionally, Guardian Go is our internal Customer-relationship management (CRM) system that manages our interaction with current and potential customers.

With our simple timesheet management solution, our clients gain the valuable insight needed to make the most of their time and attendance data. Our solution works seamlessly with our client’s payroll system, eliminating manual tracking and data entry while ensuring accuracy and compliance.

Benefits of Time Management Solution:

  • Secured tablet acts as a Web Time punch clock for all employees
  • Employees have their own pin
  • Photo verification
  • Date and time stamped
  • Real time data

Simple Timesheet Management


Our Reporting and Incident Trending & Analytics module enables you to organize and tap the employees information gathered in the field. You can create customized templates for the different types of reports you require us to provide, so that the information is presented in the best way for you to analyze it.

With our technology, you can take data and use it to assess performance, identify risks and trends, and make planning decisions, such as increasing staffing coverage or improving access control. Or you can access analyses we carry out for you and skip straight to the decision-making

Corporate Social Responsibility We Care About Our Community

Corporate Social Responsibility

Working with the right partners

Guardian’s procurement team are focused on ensuring they purchase ethically and fully review all partners, sub-contractors and suppliers before engaging in business with them. The team work to develop long-term relationships with suppliers to help build the trust they need to make sustained improvements to workers’ conditions and incentivize suppliers by building in compliance to labor standards into their contracts.

CSR concept

Our Affiliations We Work With The Industry's Best

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