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THE COMPANY
Name: Day & Zimmermann Inc. Where: Philadelphia. Business: Contract engineering and technical company specializing in defense, munitions, energy, security, logistics, construction management.
Name: Day & Zimmermann Inc.
Where: Philadelphia.
Business: Contract engineering and technical company specializing in defense, munitions, energy, security, logistics, construction management.
Subsidiary: Yoh Services L.L.C., a staffing company.
Revenue: $2.5 billion
Employees: 23,000 in 150 locations globally, 400 here.
History: Family business, founded in 1901, now run by third generation.
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