Day & Zimmermann Ranked in the 2022 Defense News Top 100 List

PHILADELPHIA, PA – August 9, 2022 – Day & Zimmermann (D&Z), the 120-year-old, family-owned provider of construction & engineering, staffing, and defense solutions for leading corporations and governments around the world, has been named on the 2022 Defense News Top 100 List, ranking number 88 of the top 100. This is their 14th consecutive year appearing on the annual list of the largest global defense and national security companies shaping militaries around the world.

“We are proud to be recognized as one of the world’s leading defense companies. As a mission-critical division of Day & Zimmermann, we patriotically serve the U.S. Government and commercial partners,” said Steve Selfridge, President of D&Z’s Government Services Group. “Our consistent placement among the Defense News Top 100 is a testimony to our unwavering commitment and trusted partnership with the U.S. Government in supporting the U.S. National Security Mission.”

“We are honored to be included among the defense industry’s leading companies list for the 14th consecutive year,” said Mike Yoh, President of the Munitions and Government division. “Our inclusion reinforces Day & Zimmermann's position as a leader in the defense industry and reaffirms our commitment to providing the highest quality products and services to our government and defense clients around the world.”

Defense News' Top 100 list is based on defense-related annual revenues for companies worldwide and is solicited from companies, from companies’ annual reports, from analysts, and from research by Defense News, the International Institute for Strategic Studies and SPADE Indexes.



When you’ve been around for more than a century, you know a thing or two. At Day & Zimmermann, we take our lifetime of experience and make things better. Our 51,000+ employees help bring big ideas to life every day. We’re pushing the boundaries of innovation in construction & engineering, operations & maintenance, staffing, and security & defense. And that’s not all. Did we mention that we have 150+ worldwide locations with $2.7 billion USD in annual revenue? We put people to work, we protect American freedoms, and we help our customers power and improve the world. We do what we say®.


  • ,