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  • Guard Management Inc. PPO# 11072
  • GMI Building Services Inc.

Janitorial Services


Contract Janitorial

GMI understands that standardization and systemization generate consistent service levels. That is why we employ OS1, an engineered, scientific, professional cleaning process that is the only certified ISO 9000 certified cleaning program available. GMI is the first certified OS1 service provider in Southern California.

GMI’s operates under the ISSA Cleaning Industry Management Standards (CIMS) which ensures a purposeful, efficient, customer-focused execution of services. We also offer comprehensive green cleaning services under the guidelines of the United States Green Building Council (USGBC).


Day Porter

GMI’s Day Porters provide daily cleaning services in common areas including food courts, lobbies, parking lots, trash enclosures and restrooms. Their list of duties include trash removal, sweeping, high dusting, vacancy cleaning, and graffiti removal. In addition, the Day Porters are your on-site eyes & ears, reporting issues such as broken lights, potholes, transients, and trip hazards.


Power Washing

Power washing is the most effective way to clean unsightly mold, mildew, algae, dirt, oil stains and discoloration. Power washing restores the beauty and value to the exterior surfaces of buildings, parking garages and flat surfaces The exterior surfaces of commercial structures are typically made of porous and delicate surface materials that are easily damaged by improper power washing so it’s critical that the correct pressure, water temperature, equipment, and cleaning products are used to avoid damage. GMI employs a high-pressure (3500 PSI) mechanical sprayer and hot water (150 degrees) to maximize effectiveness and we reclaim the water, abiding by all governmental waste water regulations.


Window Washing

Commercial window washing is important if you want your building to make a professional first impression with your tenants and their customers. GMI’s window washers are trained in safety procedures and are also trained in using the proper equipment and techniques to get the job done right and safely.


Commercial Floor Care

GMI can provide a wide range of floor care services for your facility’s needs. GMI utilizes state of the art equipment, products and programs to restore, improve or maintain various types of hard surface flooring including the following:

  • Marble
  • Ceramic
  • Concrete
  • Mexican Pavers
  • Perrelli (rubber) Flooring
  • Limestone
  • Terrazzo
  • Quarry Tile
  • Sheet Vinyl
  • Vinyl Composition Tile (VCT)


Carpet Cleaning

In addition to frequent vacuuming, it’s important to clean your carpets on a regular basis to remove the oily, sticky soil that vacuums can’t take remove. These particles of oily soil deposited on carpet fibers can cause gradual but significant dulling of colors. According to the IICRC: “Regular professional carpet cleaning is as important to your carpets as having a trained mechanic perform routine tune-ups on your car. While your carpet may appear clean on the surface, periodic cleaning by a certified technician can remove what you can’t see and help your carpet retain its fresh, beautiful appearance.”

GMI employs various methods in order to meet the needs of your facility including:

  • Spin Bonnet Cleaning
  • Dry Cleaning Method
  • Hot Water Extraction
  • Rotary Shampoo Cleaning


Trade Services

GMI is a Performing General Contractor, License #849922, and we have spent countless hours creating service offerings to provide solutions to your facility construction and maintenance challenges. We have a talented, trained crew on staff that can quickly and efficiently perform a tenant improvement or corporate construction project using a variety of trades such as: framing & drywall, painting, suspended ceilings, electrical & plumbing, flooring, concrete, flood cleanup and mold remediation.

Recruiting & General Info




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