Day & Zimmermann Ranked in Top 100 List by Defense News

PHILADELPHIA, PA – July 24, 2013 – Day & Zimmermann, the century-old, family-owned provider of construction & engineering, staffing, and defense solutions for leading corporations and governments around the world, today announced that it is ranked on the Defense News Top 100 List of defense companies in the world.

This is the sixth consecutive year the company has ranked on the Top 100 list.  This year Day & Zimmermann jumped up one ranking to 98th on the 2012 Defense News Top 100 List.  The ranking comes as part of an annual list compiled by Defense News, which provides market analysis and rankings based on an informational survey given to companies, from companies’ annual reports and from Defense News staff research.

“Achieving this ranking for the sixth year in a row is a reflection of our employees continually improving operations for customers around the world,” said John DiMarco, President of Day & Zimmermann’s Government Services Business.  “Whether we are designing and constructing military facilities, operating and maintaining the nation’s ammunition plants, or providing security services at military installations and posts around the world -- we get the job done safely and with integrity.”  Day & Zimmermann’s Government Services business delivers a diverse portfolio of mission-critical services to the U.S. Departments of Defense, Energy, State, as well as U.S.-approved foreign governments

“With U.S. defense budget cuts, it’s been a tough year for the entire industry,” said Mike Yoh, president of Day & Zimmermann’s Munitions and Government Business.  “However, we continue to raise the standards of safety, quality and service through business diversification and our relentless commitment to every program, every day.”  Day & Zimmermann’s Munitions & Government business plays a vital role in the defense sector by manufacturing, storing and demilitarizing a wide variety of ammunition products and providing related services to customers in the U.S. government and approved foreign countries.   


Day & Zimmermann is a century-old, family-owned company whose 23,000 employees specialize in construction & engineering, staffing and defense solutions for leading corporations and governments around the world. Operating from more than 150 worldwide locations with 2.4 Billion USD in revenue, Day & Zimmermann is currently ranked as one of the largest private companies in the U.S. by Forbes.  Founded in 1901 and headquartered in Philadelphia, PA, our first work was to develop “Betterment Reports” that helped modernize American factories. Today, we are still in the business of betterment—maintaining the nation’s power infrastructure, protecting American freedoms and driving technological advancements around the world. We do what we say. ®