Fact Sheet
Day & Zimmermann's family of companies accelerate customer success by delivering trusted services and products that create a tomorrow that is safer, more secure, more innovative and more productive.
Chairman & CEO: Harold L. Yoh III
Annual Revenue: $2.2 Billion
Employees/Locations: average of 24,000 employees working in more than 150 worldwide locations
Headquarters Address:
1500 Spring Garden Street
Philadelphia, PA 19130
Web Address: http://www.dayzim.com
Media Contact: media.relations@dayzim.com
Key Facts:
- Ranked one of the largest private companies in America by Forbes.
- Founded in 1901 and headquartered in Philadelphia, PA.
- Recipient of the U.S. National Family Business of the Year Award.
- Completed projects in more than 75 countries.
- Serving more than 1,300 customers worldwide, including more than 45% of the FORTUNE® 100.
- Our customer promise: We do what we say.®
- Our vision is to be the most admired company in the markets we serve because our employees deliver on our promises every time.
- Values: Safety. Integrity. Diversity. Success.
Services
- Architecture, Engineering & Construction Services – is a leading provider of architecture, engineering, procurement and construction services and delivers a wide range of design and planning, design-build, EPC, modular construction, contract maintenance, and program management services.
- Government Services -- provides fixed and mobile security, logistics, life support, facility management, equipment operation and maintenance, and integrated program management to the U.S. Department of Defense and other government agencies and groups.
- Maintenance & Modification Services – is a world leader in providing plant maintenance and modifications as well as specialty equipment repair and support services to industrial, utility and pharmaceutical customers.
- Munitions – manufactures, stores and demilitarizes ammunition products and provides related services to the United States Departments of Defense and Energy and to United States-approved foreign governments and delivers facilities maintenance services to municipal, state and federal government agencies.
- Security Services – is a leading supplier of highly technical, sophisticated protective services to commercial businesses, utilities, industrial customers and government installations.
- Talent & Outsourcing Services – the nation's first technology staffing firm, Yoh provides specialized staffing services to companies that leverage knowledge and technology for competitive advantage.
- Validation Services – is a leading provider of validation and CIM services to the pharmaceutical and biopharmaceutical industries for customers throughout the United States as well as the Far East, Caribbean, United Kingdom and Europe.

