Day & Zimmermann

The Day & Zimmermann is a privately held company in the fields of construction, engineering, staffing and ammunition manufacture, operating out of 150 locations worldwide. Its corporate office is at 1500 Spring Garden Street in Philadelphia, Pennsylvania Revenue: 2.5 billion USD (2014) Headquarters location: Philadelphia, PA Number of employees: 23,000 Founded: 1901 Number of employees 23,000 Products business-to-business services Subsidiaries: Yoh, South Shore Security Systems, Inc., Reliable Security Guard Agency, Inc. Parent organization: The Day & Zimmermann Group Inc United States Birmingham, AL 1 Perimeter Park South, Suite 300S, Birmingham, AL 35243 205.905.5673 Charlotte, NC 2801 Yorkmount Road Charlotte, NC 28208 980-287-2600 Chester, PA 2501 Seaport Drive, Suite 200, Chester, PA 19013 484.768.3800 Glendale, AZ 6751 North Sunset Blvd, Westgate Office District, Suite E-280, Glendale, AZ 85305 623.687.2024 Greenville, SC 80 International Drive, Building 5, Suite 100, Greenville, SC 29615 866.542.2028 Lancaster, PA 1827 Freedom Rd., Suite 101 Lancaster, PA 17601 717.481.5600 Norfolk, VA 5426 Robin Hood Rd, Norfolk, VA 23513 757.857.6400 Scott Depot, WV 4 Mission Way Scott Depot, WV 25560 304.757.3703 Canada (Day & Zimmermann Canada Corporation) Hamilton, Ontario King Street West 5th Floor, Hamilton, Ontario L8P 4W7 Canada