Company Profile

Day & Zimmermann provides industrial, defense and workforce solutions to commercial and government customers worldwide. We make a difference for our customers by delivering solutions that increase efficiency, drive growth and manage risk.

Chairman & CEO: Harold L. Yoh III

Annual Revenue: $2.1 Billion

Global Workforce: 24,000

Locations: 150 worldwide

Headquarters: 1500 Spring Garden Street, Philadelphia, PA 19130

Internet URL: www.dayzim.com

Media Contact: media.relations@dayzim.com

Key Facts:

  • Founded in 1901
  • Ranked as the 53rd largest privately-held, family-owned company in the U.S.
  • Recipient of the U.S. National Family Business of the Year Award
  • Projects completed 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
  • Our company values include safety, integrity, diversity and success

Business Units:

  • Day & Zimmermann Engineering, Construction & Maintenance: one of the nation’s leading providers of total plant lifecycle solutions for the power, process and industrial markets. Services include engineering, construction, maintenance, fabrication and related support in condensers, valves, radiological services and staffing.

  • Day & Zimmermann Government Services: fixed and mobile security, logistics, life support, facility management, equipment operation and maintenance, and integrated program management for the U.S. Department of Defense and other government agencies and groups. We also deliver architecture, engineering and construction services for the government and defense sector, including design and planning, design-build, modular construction and related services.

  • Day & Zimmermann Munitions & Government: manufactures, stores and demilitarizes ammunition products and provides related facility operations and program management services to the United States Department of Defense and defense prime contractors.

  • Yoh: helping companies establish an efficient, strategic talent supply chain through temporary staffing and direct placement services, contingent workforce management, 1099 audit & control, SOW classification, contingent payroll, recruitment process outsourcing (RPO) and the Yoh Exchange, with specialized focus in the IT, engineering, life sciences and telecommunications sectors.