Stock Price: 133.76 +0.06 5/25/2018 3:59 PM ET

Stock Price: 133.76 +0.06 5/25/2018 3:59 PM ET


ATK Space Systems, Inc. - Commerce (ATK Commerce) is the largest manufacturer of propellant and pressurant tanks for the space industry. We have delivered 6,378 tanks since the company's founding in 1963. Our extensive product line includes propellant tanks containing elastomeric diaphragms or propellant management devices (PMDs), pressurant tanks, xenon tanks, motor cases, and integrated tank and structure. We offer tank shells that are all-metal, composite overwrapped, a hybrid configuration with metal liner and partially wrapped with composite, or tanks completely integrated into the composite structure.

Tanks Delivered
to Date:


1,211 Diaphragm Tanks
1,557 PMD Tanks          
2,810 Pressurant Tanks

We celebrated tank delivery No. 6,000 in September 2014! 

We celebrated the JWST tank delivery on July 27, 2015