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Harold L. Yoh, III
Kathleen King
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Who We Are
Company Profile
Our Vision
Values
Safety
Integrity
Code of Ethics
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No Retaliation Policy
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Letter from CEO
Risk Assessment
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Leadership
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
Locations
Sustainability
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What We Do
Maintenance and Construction
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Maintenance & Modifications
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Success Stories
Record Diesel Generator Rebuild Project
Bridge Crane Installation Project
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Valves
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Success Stories
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
Chemical
Industrial
Solar
Engineering
Munitions
Direct Fire Munitions
Indirect Fire Munitions
Warheads
Close Combat Munitions
Demilitarization of Conventional Munitions
Munition Facilities & Coproduction
Fuzing and Precision Products
Area Denial
Munitions Suppliers
Empire Products
Government Services
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Engineering
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Working Dog Solutions
Workforce & Staffing
Success Stories
Design of Top U.S. Law Enforcement and National Security Training Complex
Firing Range Program (CONUS & OCONUS)
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
Professional Opportunities
Architecture & Engineering Opportunities
Defense & Security Opportunities
Contract Staffing Opportunities
Open Shop Opportunities
Union Opportunities
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Search Blog Posts
10.29.2020
D&Z Celebrates Five Years of Partnership with Cristo Rey
Day & Zimmermann has recently kicked off their work-study program with Cristo Rey High School for the 2020 – 2021 school year. This partnership ...
Read More
10.28.2020
Day & Zimmermann Acquires EMC Power to Serve Canadian Power Generation Market
CHARLOTTE, N.C., OCT 27, 2020 – Day & Zimmermann (D&Z), the century-old, family-owned provider of construction, engineering, maintenance, ...
Read More
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