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Who We Are
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Harold L. Yoh, III
Kathleen King
Lisa Ann Cooney
Sankara Viswanathan
Daniel Ross
Mike Yoh
BG (Ret) John J. McGuiness
Doug Magee
John McCormick
Emmett McGrath
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Record Diesel Generator Rebuild Project
Bridge Crane Installation Project
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D&Z Excels on Large Boiler Project
One Year Later: Partnership Continues to Grow Stronger
L-83 Boilermakers shine on Jeffrey Energy Center outages
Overcoming Accelerated Schedules & Unexpected Challenges
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Munitions
Direct Fire Munitions
Indirect Fire Munitions
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Close Combat Munitions
Demilitarization of Conventional Munitions
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Munitions Suppliers
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Design of Top U.S. Law Enforcement and National Security Training Complex
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Integrated Security for One of the Largest U.S. Embassies in the World
Ordnance Operations, Management & Operations (M&O) and Security for Largest Global R3 Demilitarization Complex
Cleared IT Support for Critical Infrastructure Communications to Unites States Navy & Marine Corps
Secured Renewed U.S. Diplomatic Presence in High Threat Region of Africa
Recruiting & Workforce Solutions
Yoh.com
Get Hired
Get Talent
DZConneX.com
Careers
Why Work at D&Z
How We Hire
Our People
Director of Operations
Director, Talent Sourcing & Recruiting
Senior Manager, Client Services
Senior Mechanical Engineer
Director, Compliance & Training / Ethics Officer
Senior Director of Client Services
Contracts Administrator
Deputy Program Manager
QC, Training Coordinator
Production Operator
Head Chef
Test Range, Supervisor
Recruitment Process Outsourcing
Senior Plans Analyst, Plans & Operations
Quality Engineer Intern – Medium Caliber and Direct Fire Business Units
Diversity & Inclusion
Veteran's Resources
Our Values
Success Stories
Join Us
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Defense & Security Opportunities
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10.7.2016
Day & Zimmermann Named the Top O&M Contractor in Power by Engineering News-Record for Ninth Consecutive Year
Read More
10.6.2016
Day & Zimmermann Names Jay Crilley Vice President of Business Development for Fossil Division
Read More
10.3.2016
Day & Zimmermann Ranked in Top 100 List by Defense News for 8th Consecutive Year
PHILADELPHIA, PA- September 30, 2016 - Day & Zimmermann, the century-old, family-owned provider of construction & engineering, staffing, and ...
Read More
9.16.2016
Day & Zimmermann Receives Corporation of the Year Award From Women's Business Enterprise Council
PHILADELPHIA, PA--(Marketwired - Sep 16, 2016) - At its Annual Awards Luncheon held Friday, September 16, the Women's Business Enterprise Council of ...
Read More
8.17.2016
Active or Passive Candidate—Does the Label Matter?
From SHRM When developing recruitment strategy, talent acquisition professionals stress the need to distinguish between passive candidates—typically ...
Read More
7.1.2016
Mason Hanger Announces Acquisition of Architecture and Engineering Firm Hankins Anderson
PHILADELPHIA, PA – July 1, 2016 – Mason & Hanger, a Day & Zimmermann Company, and provider of innovative design, architecture and engineering ...
Read More
6.9.2016
Day & Zimmermann Participated as Host Company in The Greater Philadelphia Chamber of Commerce’s Future Ready Program
PHILADELPHIA, PA –June 9th, 2016 – Day & Zimmermann (D&Z), the century-old, family-owned provider of construction & engineering, staffing ...
Read More
6.1.2016
New Thinking on Old Safety Issues
From Power Magazine
Read More
5.31.2016
Day Zimmermann Names Industry Veteran William Wasilewski President of Process Industrial
PHILADELPHIA, PA--(Marketwired - May 31, 2016) - Day & Zimmermann (D&Z), the century-old, family-owned provider of construction and ...
Read More
5.19.2016
The Top 400 Contractors: Firms Enjoy Home Cooking
From Engineering News Record
Read More
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