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Who We Are
Company Profile
Our Vision
Values
Safety
Integrity
Code of Ethics
Ethics & Compliance Governance
No Retaliation Policy
Anti-Corruption Policies
Ethics Audits
Letter from CEO
Risk Assessment
Inquiry and Reporting Mechanisms
Awareness Training
Communication Plan
Diversity
Success
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
John Comito
Emmett McGrath
Locations
Sustainability
News
Press Release Archive
Media Coverage Archive
Suppliers
History
D&Z Gives Back
What We Do
Maintenance and Construction
Nuclear
Maintenance & Modifications
Projects & Construction
Valves
Welding Services
Scaffolding
Radiological Protection
Security Screening
Success Stories
Fossil
Maintenance & Modifications
Projects & Construction
Welding Services
Valves
Scaffolding
Success Stories
Chemical
Industrial
Solar
Data Centers
Advanced Manufacturing
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
Architecture / Engineering
Architecture
Engineering
Engineering & Sustainability Services
Commissioning
Construction Contract Administration
Operations & Maintenance
Facility Management & Operations (M&O)
Explosive Ordnance Storage & Disposal
International Logistics
Maintenance, Repair & Overhaul Services
Integrated Security
Installation Security
Mobile Security
Technical Security
Working Dog Solutions
National Intelligence Support
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
Find Jobs
Why Work at D&Z
How We Hire
Our People
Diversity & Inclusion
Veteran's Resources
Early Careers Program
Our Values
Success Stories
Find Jobs
Process & Industrial: Process & IndustrialTechnology
08.30.2021
When the World Stops, Logistics Matter
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03.03.2021
D&Z Project for Bayer Achieves Success with Significant Time and Cost Savings
Day & Zimmermann (D&Z) provided engineering (FEL3 and detailed design), procurement, and construction support for a two-year capital project ...
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01.13.2021
Expanding your Control Network – Untangling the Data
Whether your next project involves a retrofit, upgrade, or expansion, odds are high that some level of data acquisition and automated control will be ...
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