Quality Engineering (QE) tools are the crucial tools or techniques which are the valuable cornerstones that guides in incessant improvements in any automobile or aeronautical company. Hence quality engineering guarantee that quality products are being manufactured at the nominal levels. Manufacturing and service forms utilize various statistical tools and methods for quality improvement and quantification of products.In this competitive market, companies identify and implement the best practices to constantly develop their processes. This paper discusses the tools and techniques of quality management approaches utilized by companies in Automobile and Aeronautical Industry in their complete manufacturing process to get along with the global standards. The major quality control techniques like APQP, PPAP, FMEA, SPC, MSA are described in this research work and how the six-sigma model effectively plays a crucial role in the industries.