Since 1934, the Knapp & Roberts families and employees have served the transportation needs of Brownsville and surrounding Rio Grande Valley area of south Texas & northern Mexico, including Harlingen and McAllen. We are a 3-time Chevrolet Genuine Leader and GM Mark of Excellence winner based on sales, customer satisfaction, and GM training for 2004, 2006 and 2007. The entire Tipotex team is dedicated to your complete satisfaction. We look forward to earning your business each and every time we’re presented with the opportunity. Our motto says it all: