Newmar RVs in lewisville, TX : Resting on our laurels. It's a concept we at Newmar have never been willing to embrace. That's why each and every year, our entire team works tirelessly to further refine our existing products while remaining focused on developing new breakthroughs, innovations or in the case of the 2015 London Aire an entirely new coach. For over 40 years, Newmar has chosen to lead rather than follow, delivering a level of craftsmanship, innovation and customer support capable of exceeding the highest of expectations. Because we don't want to be the biggest, just the best. That's what the Newmar Difference is all about.