Day & Zimmermann company

1500 Spring Garden Street
Philadelphia, Pennsylvania 19130
United States View Map >>

P: (215) 299-8000
F: (215) 656-2617
Day & Zimmermann's 24,000 employees provide industrial, defense and workforce solutions to a broad base of commercial and government customers. Operating from more than 150 worldwide locations with 2.7 Billion USD in revenues, the Day & Zimmermann family of companies is currently ranked as one of the largest private companies in America by Forbes a... more

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America's Largest

Products & Services

government, maintenance, valve services, security services, munitions products, project management, professional services


Construction, Commercial & Residential Construction

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