Did you know Guardian Service Industries started out as Window Cleaning company in 1918? While we have rolled out our service offerings to include Janitorial Services, Security Services, Engineering & Operations, Pest Control, Lighting and Electric, Concierge/Front Desk Ambassador, and Marble, Metal and Wood Restoration, we are still the leading specialist in Window Cleaning. In fact, Guardian is one of the region’s largest, fully insured and licensed window washing companies servicing the Northeast since 1918; we carry excess liability umbrella insurance and statutory workman’s compensation insurance. All of our window washers are state certified professionals expertly trained to provide the safest and most cost-effective method of window cleaning to ensure the highest quality of service possible for all commercial and residential customers. ...
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