Day & Zimmermann

Founded in 1901 and headquartered in Philadelphia, Pennsylvania, Day & Zimmermann operates from more than 150 worldwide locations. The company provides architecture, engineering, procurement and construction services; plant maintenance and modification services; manufacturing, storage and demilitarization of ammunition; protective services to government installations, utilities and industrial customers; technology staffing services; and validation services to the pharmaceutical and biopharmaceutical industries. Brands: Day & Zimmerman, Day & Zimmerman NPS, Mason & Hanger Group, Yoh

Relationships Interlocks Giving Data

Leadership & Staff

Harold L Yoh III Day and Zimmerman President and CEO

• Chair and CEO ('99→?) [+1]

• president and CEO

Board Members

Charles P Pizzi Vice Chairman of the Board of Directors of Independence Blue Cross

• Board Member

Holdings

American Ordnance Manufacturer of Day/Night/Thermal M918E1 40mm high velocity training rounds

• Owner

SOC integrated security and infrastructure for U.S. Government and commercial customers

• Owner

Child Organizations

D&Z Lone Star Operating contractor at the Lone Star Army Ammunition Plant

• subsidiary

Hanger-Silas Mason Company, Inc Subsidiary of Day and Zimmerman

• Subsidiary

Services & Transactions

Letitia White Principal, Innovative Federal Strategies

• lobbyist

Types	Organization, Business, Private Company
Revenue	1.4 Billion
Website	http://www.dayzim.com
Aliases	Day & Zimmerman