PWNA announces new ‘Certified Contractor Program’.

The PWNA, Power Washers of North America just announced their new ‘PWNA Certified Contractor Program’. This beneficial program will elevate the pressure washing industry by the increased level of professionalism these certifications will achieve. The following certifications will be available to be earned: Concrete Cleaning aka Flat work Fleet Washing House Washing Kitchen Exhaust Cleaning…

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