Day & Zimmermann
The Day & Zimmermann company was founded in 1901. Its corporate office is at 1500 Spring Garden St. Philadelphia, PA 19130.

The company first came to prominence when the Hershey chocolate company contracted it to produce the foil wrapper for their Hershey's Kisses. It assisted in the construction of Veteran's Stadium
Veteran's Stadium
Veterans Stadium is a multi-purpose stadium in New Britain, Connecticut. Opened in 1982, it is dedicated to the soldiers of the city who lost their lives in various U.S. wars, particularly Vietnam....

 in Philadelphia in the early 1970s.

In 1961 Day & Zimmermann and Yoh Company merged. In 1976 Spike Yoh bought the company from his father and was the CEO for twenty-two years. He graduated from Duke University
Duke University
Duke University is a private research university located in Durham, North Carolina, United States. Founded by Methodists and Quakers in the present day town of Trinity in 1838, the school moved to Durham in 1892. In 1924, tobacco industrialist James B...

and one school facility is named Duke's Yoh Football Center. In 1998 his son Hal Yoh became the company's leader. In that year Day & Zimmermann was the recipient of the National Family Business of the Year award.

The company has an annual revenue of $2.2 Billion and is ranked by Forbes as one of the largest privately held companies in the United States.
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