Thad Max Ziegler Retires from Thad Ziegler Glass

Thad Max Ziegler retired from Thad Ziegler Glass, after 73 years of working for the family business, according to a company announcement. Thad Ziegler Glass is the oldest family-owned glass company in the United States, and was established in 1893 in San Antonio, Texas. The business is currently run by the fifth generation of the family.