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Welcome to Marko Janitorial Supply!

Marko, Inc. is a leading supplier of quality janitorial products in the Upstate of South Carolina, USA. Family-owned and operated for more than fifty years, Marko works hard to offer courteous, prompt service. Our staff is trained to assist you with all types of cleaning problems, and provide economical solutions from our huge inventory of national brand products and Marko brand products. Let Marko work for you! 


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  • Oct 11, 2025Best degreaser for tough jobsMarko has been a blender of cleaning detergents since 1968. Our premiere product, the one that opened our company, is Marko 1000 Heavy Duty Cleaner. If you want to remove grease from a diesel engine, clean around the fry vat, or use as a general purpose cleaner, this is the product for you.
  • Jan 11, 2025Aerosols - Are they worth the money?Aerosol products, because of their convenience, can make a great way to solve cleaning, disinfecting, deodorizing, and other minor issues in tight situations where time, storage, and other economic factors impact the health conditions of the facility, business, or home.
  • Jan 3, 2025Save big money on restroom paperIf restroom paper products are costing an arm and a leg at your facility, read on to find out how to fix the problem and save big bucks!
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