While there are hundreds of database vendors in the market, GTN’s perseverance in serving clients goes beyond just meeting the deliverables to becoming your long run marketing data partner. We have been able to position ourselves as a trusted brand for offering custom Attendee(s) mapping solutions for your pre or post show marketing. Global Yet Local: With our headquarters located in Dallas, TX, not only we serve customers in the United States, but also numerous other countries and regions around the world. Be it the US, UK, NA, South America, Canada, Japan, Africa, UAE, Europe, China, Australia, India or any other country, we have our partners and resources spread across.