Since the early 1970s Dri Mark has been producing American made markers on Long Island, NY. In 1991, Dri Mark became the original patent holder and only domestic manufacturer of the iconic Counterfeit Detector Pen. Over the next 25 years, the Detector Pen rose to be the highest-selling, and most success­ful counterfeit detection product in the industry. Dri Mark continues to set industry standards in counterfeit detection and custom marker manufacturing with our full range of detection products, custom inks, and barrels. From NY based customer service to in-house molding, imprinting, and assembly you can feel good about trusting Dri Mark for all your marker and detection needs. Purchase a Dri Mark detection solution at you favorite retailer HERE: https://www.drimark.com/find-a-dealer/ Connect with us on Social: Instagram: @DriMark_Products Facebook: https://www.facebook.com/TheDriMarkProducts/ YouTube: https://www.youtube.com/@drimarkproductsinc.3393/videos