Founded in 1901, Day & Zimmermann (D&Z) is a privately-held, century-old corporation.; The thriving munitions portion of the business has spanned many decades of delivering quality products and services to the United States Department of Defense (DoD) and defense systems contractors and other private industry, both domestic and abroad. Until recent closure decisions as a result of BRAC 2005 (Base Realignment and Closure), Day & Zimmermann successfully operated the Lone Star Army Ammunition Plant at Texarkana, Texas for almost 60 years and the Kansas Army Ammunition Plant at Parsons, Kansas for almost 40 years. In addition, approximately 90 miles east of Texarkana, D&Z has a commercial munitions manufacturing facility located in an industrial park at Camden, Arkansas. The primary mission at these sites today is the Load, Assembly, and Pack (LAP) of finished munitions products or components.