Prospective Investors Gardner Technologies, Inc,. is a privately held company based in Napa, California, the heart of the U.S. wine industry. GT's new MetaCork is creating a totally new class of packaging for fine wine. Because the company's products are so well received in the marketplace, many consumers have contacted us looking for more information regarding investment opportunities. Learn More Current Investor Resources Current investor contact information for Annual or quarterly reports, Shareholder meetings etc. Learn More