Commercial Window Cleaning Remember... you can only make 1 first impression, let us help you make a great one! We have many places that we clean on a weekly, biweekly, monthly, or quarterly schedule Our scheduling is flexible. If there is more than one location that needs servicing we can offer special discounts. We carry the proper licensing, insurance and workers comp. Call Today for a FREE Estimate Call us: (302) 584-3309 Harvest Community Bank - NJ 1st State Window Cleaning have always done a great job on the windows at all four locations. They are friendly, quick, efficient, and always leave our windows sparkling.