Transmaxx has partnered with some of the leading transmission companies in the world. Together, they have combined innovation and technology to develop application data that is second to none in the industry!

Transmaxx offers both OEM and premium aftermarket parts from the top transmission component manufacturers in the world. They have developed a unique and comprehensive Quality Assurance program to ensure that all their products meet stringent quality standards.

Rostra, an ISO 9001 Certified company, in addition to supplying OEM components to some of the world's largest auto and truck component manufacturers, is also North America's single largest supplier of cruise controls and transmission products to the automotive aftermarket.