: TransDigm Group (TDG) boasts a steady track record of earnings growth, which has helped it become a leader in the aerospace and defense industry. It currently boasts a five-year earnings growth rate of 20% and sales growth rate of 26%. For the September-ended quarter, profit rose 28% from a year earlier to $2.83 a share. Sales rose 26% to $809.8 million. Strong growth has been helped by acquisitions.