Vision
To Accelerate the Next Generation of Innovation.
Values
Our services and markets may change, but our values remain constant. These four values have become our corporate DNA. Never changing. Never compromising. They serve as a steady guide for the company as we continually take on new challenges, new responsibilities and new roles.
Company Profile
“What makes Day & Zimmerman truly unique is our promise — We do what we say.® — which embodies how we operate and how we have performed for our customers for more than 100 years.”
—HAROLD L. YOH III, CHAIRMAN & CEO
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Global Workforce
Over 43,000 -
Founded in 1901
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$2.6 Billion Annual Revenue
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150+ Worldwide Locations
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Footprint at 60% of the U.S. nuclear fleet
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Ranked in Top 100 Defense Companies
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#1 Ranked Operations & Maintenance Contractor for over 10 consecutive years (ENR)
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Ranked on the Forbes America's Largest Private Companies List
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Yoh Named to HRO Today's RPO Baker's Dozen list
Our Markets
- Architecture
- Aviation
- Building Design
- Construction
- Defense
- Engineering
- Fossil Power
- Government Services
- Health Care
- Information Technology
- Interactive Entertainment
- Life Sciences
- Manufacturing
- Nuclear Power
- Oil & Gas
- Media & Entertainment
- Process & Industrial
Our People
The best way to learn about life at Day & Zimmermann is to hear from the people who are living it. Meet the people behind our success.
“I want to make sure that whatever I’m providing the customer with is the best option, practice or opportunity for them. I feel that my sincerity in my job is shown through my performance and results."
MARCIA, VP, DZConneX
