Aircraft Spruce Co. added more products and adopted the name Aircraft Spruce & Specialty Co. Jim Irwin, Bob and Flo's older son, managed kit programs such as the Vari-Eze in 1975 while still in college.

Aircraft Spruce East moved to a new 52,000 sq ft (4,800 m2) facility in Peachtree City, Georgia, in 2004.

Aircraft Spruce Canada was opened in Toronto in 2006, and moved to the Brantford, Ontario Airport in 2008 with a new 20,000 sq ft (1,900 m2) facility coming online in 2016.

In 2019, Aircraft Spruce opened two new facilities with Aircraft Spruce Midwest operating in a 50,000-square-foot (4,600 m2) facility in West Chicago, Illinois, and Aircraft Spruce Alaska in a 15,000-square-foot (1,400 m2) building in Wasilla, Alaska.

[4][5] Founder Bob Irwin died on 26 June 2015 at his home in Lake Havasu City, Arizona.