James McDonald Elected to North American Contractors Association Board James McDonald, Director of Union Labor Relations for Day & Zimmermann’s (D&Z) Maintenance and Construction division, has been elected to ... Read More
Honoring Service Through Action: Supporting Those Who Serve, Every Day Service to our country is not an abstract idea, it’s a choice. It’s a commitment to step forward, often into uncertainty, in defense of something ... Read More
Day & Zimmermann Ranked Among Engineering News-Record’s Top 500 Design Firms for 2026 PHILADELPHIA, PA —May 8, 2026 — Day & Zimmermann (D&Z), the century-old, family-owned provider of construction and maintenance, engineering, ... Read More
IN THE NEWS: Day & Zimmermann Munitions Featured on CBS and Fox Affiliate Stations’ Television News IN THE NEWS: Day & Zimmermann Munitions Featured on CBS and Fox Affiliate Stations’ Television News Read More
Reflections at the Close of Women’s History Month: Progress, Responsibility, and the Work Ahead As Women’s History Month draws to a close, I find myself reflecting not just on the stories we’ve honored over the past few weeks, but on the ... Read More
Day & Zimmermann and U.S. Army Mark Completion of New 155mm Production Line in Kansas with Ribbon Cutting Ceremony Read More
Why Industry & Government Together Must Rethink the National Security Talent Pipeline Experienced military and IC experts are exiting faster than mission-ready replacements can be onboarded. Read More
Day & Zimmermann Expands Its Proven Outage and Maintenance Model to Support Hydro Projects As featured in Hydro Leader Magazine Read More
Mike Yoh Receives 2026 NDIA Jim Shields Lifetime Achievement Award Michael H. “Mike” Yoh, Munitions Executive Vice President of Strategy and Business Development, has been named the winner of the prestigious 2026 ... Read More
Day & Zimmermann’s Jason Dunaway Elected to NEI Board of Directors Day & Zimmermann is proud to announce that Jason Dunaway, President of our Maintenance and Construction group, has been elected to the Board of ... Read More